How many automatic transmission parts fit the 2018 GMC Canyon?

Our catalog currently lists 316 automatic transmission parts for the 2018 GMC Canyon across 92 subcategories and 34 brands, covering all 3 engine options (2.5L L4, 2.8L L4 DIESEL Turbocharged and 3.6L V6). Each part is matched to the engine(s) it fits.

Do automatic transmission parts differ between 2018 GMC Canyon engines?

Yes. Every automatic transmission part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

What are the signs of automatic transmission problems on a 2018 GMC Canyon?

Common symptoms include delayed or harsh engagement, slipping under load, fluid that smells burnt, or shuddering at light throttle around 40 mph. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What should I replace at the same time?

Where labor overlaps, replace the filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.

What do the market flags (US, CA, MX) on each part mean?

They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2018 GMC Canyon was originally sold in the US, the safest choice is a part marked for the US market.

How do I make sure a part fits my 2018 GMC Canyon?

First match the engine — each row shows which engine(s) the part fits. Then use exactly the fluid specification in the notes — automatic transmissions are the least forgiving component on the vehicle about fluid choice. The notes column carries position and trim qualifiers where they apply.

2018 GMC Canyon Automatic Transmission Parts: OEM & Replacement (316 Parts)

Automatic Transmission Control Unit (TCU)

Brand	Part Number	Markets	Notes	Buy
DORMAN Fits: 2.5L L4, 3.6L V6	SP609006	🇺🇸 US 🇨🇦 CA	Trans. code 6L50	View on Amazon
GM GENUINE Fits: 2.5L L4, 3.6L V6	24275873	🇺🇸 US 🇨🇦 CA	Fits Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24275873 Fits: Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedIncludes Transmission Fluid Temperature Sensordoes not include Elec Conn PSG SLV Seals. For Seals Only, Order with 24238913 (MYA,MYB), 24236927 (MYC,MYD), or 24236928 (MYA,MYB,MYC,MYD) or: Crew Cab PickupSLE Model74.0" Bed140.5" WheelbaseTrans.Code 6L506 SpeedIncludes Transmission Fluid Temperature Sensordoes not include Elec Conn PSG SLV Seals. For Seals Only, Order with 24238913 (MYA,MYB), 24236927 (MYC,MYD), or 24236928 (MYA,MYB,MYC,MYD) Fits: Base Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedIncludes Transmission Fluid Temperature Sensordoes not include Elec Conn PSG SLV Seals. For Seals Only, Order with 24238913 (MYA,MYB), 24236927 (MYC,MYD), or 24236928 (MYA,MYB,MYC,MYD) or: Crew Cab PickupDenali or SLE Model or SLT Model74.0" Bed140.5" WheelbaseTrans.Code 6L506 SpeedIncludes Transmission Fluid Temperature Sensordoes not include Elec Conn PSG SLV Seals. For Seals Only, Order with 24238913 (MYA,MYB), 24236927 (MYC,MYD), or 24236928 (MYA,MYB,MYC,MYD) or: Denali61.7" Bed128.3" WheelbaseTrans.Code 6L506 SpeedIncludes Transmission Fluid Temperature Sensordoes not include Elec Conn PSG SLV Seals. For Seals Only, Order with 24238913 (MYA,MYB), 24236927 (MYC,MYD), or 24236928 (MYA,MYB,MYC,MYD) or: SLE Model or SLT Model61.7" Bed128.3" WheelbaseTrans.Code 6L50Includes Transmission Fluid Temperature Sensordoes not include Elec Conn PSG SLV Seals. For Seals Only	View on Amazon
GM GENUINE Fits: 2.5L L4, 3.6L V6	19540893	🇺🇸 US 🇨🇦 CA	Reman Fitment notes — GM GENUINE 19540893 Reman Fits: Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speeddoes not include Elec Conn PSG SLV Seals. For Seals Only, Order with 24238913 (MYA,MYB), 24236927 (MYC,MYD), or 24236928 (MYA,MYB,MYC,MYD) or: Crew Cab PickupSLE Model74.0" Bed140.5" WheelbaseTrans.Code 6L506 Speeddoes not include Elec Conn PSG SLV Seals. For Seals Only, Order with 24238913 (MYA,MYB), 24236927 (MYC,MYD), or 24236928 (MYA,MYB,MYC,MYD) Fits: Base Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speeddoes not include Elec Conn PSG SLV Seals. For Seals Only, Order with 24238913 (MYA,MYB), 24236927 (MYC,MYD), or 24236928 (MYA,MYB,MYC,MYD) or: Crew Cab PickupDenali or SLE Model or SLT Model74.0" Bed140.5" WheelbaseTrans.Code 6L506 Speeddoes not include Elec Conn PSG SLV Seals. For Seals Only, Order with 24238913 (MYA,MYB), 24236927 (MYC,MYD), or 24236928 (MYA,MYB,MYC,MYD) or: Denali61.7" Bed128.3" WheelbaseTrans.Code 6L506 Speeddoes not include Elec Conn PSG SLV Seals. For Seals Only, Order with 24238913 (MYA,MYB), 24236927 (MYC,MYD), or 24236928 (MYA,MYB,MYC,MYD) or: SLE Model or SLT Model61.7" Bed128.3" WheelbaseTrans.Code 6L50does not include Elec Conn PSG SLV Seals. For Seals Only, Order with 24238913 (MYA,MYB), 24236927 (MYC,MYD), or 24236928 (MYA,MYB,MYC,MYD) or: SLE Model74.0" Bed128.3" WheelbaseTrans.Code 6L506 Speeddoes not include Elec Conn PSG SLV	View on Amazon
GM GENUINE Fits: 3.6L V6	24279973	🇺🇸 US 🇨🇦 CA	Base Model or Denali or SLE Model or SLT Model8 Speed	View on Amazon

This table covers the control units that command automatic-transmission shifts.

Boost Valve

Brand	Part Number	Markets	Notes	Buy
SONNAX Fits: 2.5L L4, 3.6L V6	6L80LB1	🇺🇸 US 🇨🇦 CA	Trans. code 6L50	View on Amazon
TRANSGO Fits: 2.5L L4, 3.6L V6	6L8BOOSTOES	🇺🇸 US 🇨🇦 CA	Stock OE Replacement Boost Valve Assembly Fitment notes — TRANSGO 6L8BOOSTOES Stock OE Replacement Boost Valve Assembly Trans. code 6L50	View on Amazon

This table covers the Boost valves. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.

Bushing

Brand	Part Number	Markets	Notes	Buy
DURA-BOND Fits: 2.5L L4, 3.6L V6	JT4261	🇺🇸 US 🇨🇦 CA	Trans. code 6L501-2-3-4 & 3-5 Reverse Drum (Rear)	View on Amazon
DURA-BOND Fits: 2.5L L4, 3.6L V6	JT4581T	🇺🇸 US 🇨🇦 CA	Coated Fitment notes — DURA-BOND JT4581T Coated Trans. code 6L502-6 & Lowith Reverse Support (Front)	View on Amazon
DURA-BOND Fits: 2.5L L4, 3.6L V6	02399	🇺🇸 US 🇨🇦 CA	Trans. code 6L50Stator Shaft (Front) 6L50	View on Amazon
DURA-BOND Fits: 2.5L L4, 3.6L V6	02399T	🇺🇸 US 🇨🇦 CA	Coated Fitment notes — DURA-BOND 02399T Coated Trans. code 6L50Stator Shaft (Front) 6L50	View on Amazon

This table covers the bushings in this assembly. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.

Bushing Kit

Brand	Part Number	Markets	Notes	Buy
DURA-BOND Fits: 2.5L L4, 3.6L V6	TK19A	🇺🇸 US 🇨🇦 CA	6L50	View on Amazon

This table covers the Bushing kits.

Carrier Thrust Bearing

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 3.6L V6	24264380	🇺🇸 US 🇨🇦 CA	Direct/OverdriveBase Model or Denali or SLE Model or SLT Model Fitment notes — GM GENUINE 24264380 Direct/OverdriveBase Model or Denali or SLE Model or SLT Model8 Speed	View on Amazon

This table covers the Carrier Thrust bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.

Case

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24267663	🇺🇸 US 🇨🇦 CA	RWDBase Model or SLE Model Fitment notes — GM GENUINE 24267663 RWDBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speedMADE AT SILAO OPTIONAL TO 24244255 MADE AT TOLEDO	View on Amazon
GM GENUINE Fits: 2.5L L4	24267664	🇺🇸 US 🇨🇦 CA	4WDBase Model or SLE Model Fitment notes — GM GENUINE 24267664 4WDBase Model or SLE Model74.0" BedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon

This table covers the transmission or transfer-case housings.

Case Cover

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 3.6L V6	24052633	🇺🇸 US 🇨🇦 CA	Fits Front8 Speed Transmission Fitment notes — GM GENUINE 24052633 Fits: Front8 Speed Transmission128.3" WheelbaseSingle Use(Must be Used Use with Seal 24281790) or: FrontBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseSingle Use(Must be Used Use with Seal 24281790) or: FrontCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseSingle Use(Must be Used Use with Seal 24281790) or: FrontDenali8 Speed Transmission61.7" Bed128.3" WheelbaseSingle Use(Must be Used Use with Seal 24281790)	View on Amazon

This table covers the Case covers.

Case Vent

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4, 3.6L V6	24225422	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24225422 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedVent Pipe with 45 Degree Bend Fits: 8 Speed Transmission128.3" WheelbaseVent Pipe with 45 Degree BendVent Pip or: Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseVent Pipe with 45 Degree Bendor Denali8 Speed Transmission61.7" Bed128.3" WheelbaseVent Pipe with 45 Degree Bendor Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseVent Pipe with 45 Degree Bend	View on Amazon

This table covers the vents on a transmission or axle housing.

Clutch Apply Plate

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24225748	🇺🇸 US 🇨🇦 CA	3-5-ReverseBase Model or SLE Model Fitment notes — GM GENUINE 24225748 3-5-ReverseBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24233661	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24233661 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedClutch Dampener Apply Plate	View on Amazon
GM GENUINE Fits: 3.6L V6	24263038	🇺🇸 US 🇨🇦 CA	Fits 2-3-4-6-88 Speed Transmission Fitment notes — GM GENUINE 24263038 Fits: 2-3-4-6-88 Speed Transmission128.3" Wheelbas or: 2-3-4-6-8Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: 2-3-4-6-8Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: 2-3-4-6-8Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon
GM GENUINE Fits: 3.6L V6	24280566	🇺🇸 US 🇨🇦 CA	Fits 1-2-3-4-5, Reverse8 Speed Transmission Fitment notes — GM GENUINE 24280566 Fits: 1-2-3-4-5, Reverse8 Speed Transmission128.3" Wheelbas or: 1-2-3-4-5, ReverseBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: 1-2-3-4-5, ReverseDenali8 Speed Transmission61.7" Bed128.3" Wheelbas or: 1-2-3-4-5, ReverseCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon

This table covers the Clutch Apply plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts.

Clutch Apply Ring

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 3.6L V6	24261067	🇺🇸 US 🇨🇦 CA	Fits 2-3-4-6-88 speed Automatic trans. Fitment notes — GM GENUINE 24261067 Fits: 2-3-4-6-88 speed Automatic trans.128.3" Wheelbas or: 2-3-4-6-8Denali8 speed Automatic trans.61.7" bed128.3" Wheelbas or: 2-3-4-6-8Base Model or SLE Model or SLT Model8 speed Automatic trans.61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: 2-3-4-6-8Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 speed Automatic trans.74.0" bedFleetside140.5" Wheelbase	View on Amazon

This table covers the Clutch Apply rings.

Clutch Housing

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24262872	🇺🇸 US 🇨🇦 CA	1-2-3-4Base Model or SLE Model Fitment notes — GM GENUINE 24262872 1-2-3-4Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24286477	🇺🇸 US 🇨🇦 CA	Contains Required 1-2-3-4 and 3-5-Reverse Clutch Housing Bearing Assembly Fitment notes — GM GENUINE 24286477 Contains Required 1-2-3-4 and 3-5-Reverse Clutch Housing Bearing Assembly 1-2-3-4, 3-5-ReverseBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speedwith Bushing and BearingDoes Not Include Clutch Dam, Piston, Springs, Seals, Plates, or Retainers	View on Amazon
GM GENUINE Fits: 2.5L L4	24237963	🇺🇸 US 🇨🇦 CA	4-5-6Base Model or SLE Model Fitment notes — GM GENUINE 24237963 4-5-6Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 3.6L V6	24286930	🇺🇸 US 🇨🇦 CA	Fits 1-3-5-6-78 Speed Transmission Fitment notes — GM GENUINE 24286930 Fits: 1-3-5-6-78 Speed Transmission128.3" Wheelbasewith Bushing and Bearingwithout Dams, Pistons, Seals, Clutch Plates, or Retainersor 1-3-5-6-7Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbasewith Bushing and Bearingwithout Dams, Pistons, Seals, Clutch Plates, or Retainersor 1-3-5-6-7Denali8 Speed Transmission61.7" Bed128.3" Wheelbasewith Bushing and Bearingwithout Dams, Pistons, Seals, Clutch Plates, or Retainersor 1-3-5-6-7Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbasewith Bushing and Bearingwithout Dams, Pistons, Seals, Clutch Plates, or Retainers	View on Amazon
GM GENUINE Fits: 3.6L V6	24044226	🇺🇸 US 🇨🇦 CA	Fits 2-3-4-6-8, 4-5-6-7-8, Reverse8 Speed Transmission Fitment notes — GM GENUINE 24044226 Fits: 2-3-4-6-8, 4-5-6-7-8, Reverse8 Speed Transmission128.3" Wheelbas or: 2-3-4-6-8, 4-5-6-7-8, ReverseBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: 2-3-4-6-8, 4-5-6-7-8, ReverseDenali8 Speed Transmission61.7" Bed128.3" Wheelbas or: 2-3-4-6-8, 4-5-6-7-8, ReverseCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon

This table covers the Clutch housings.

Clutch Housing Thrust Bearing

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Popular Fits: 3.6L V6	24264380	🇺🇸 US 🇨🇦 CA	Fits 2-3-4-6-8, 4-5-6-7-8, Reverse8 Speed Transmission Fitment notes — GM GENUINE 24264380 Fits: 2-3-4-6-8, 4-5-6-7-8, Reverse8 Speed Transmission128.3" Wheelbas or: 2-3-4-6-8, 4-5-6-7-8, ReverseBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: 2-3-4-6-8, 4-5-6-7-8, ReverseDenali8 Speed Transmission61.7" Bed128.3" Wheelbas or: 2-3-4-6-8, 4-5-6-7-8, ReverseCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon
GM GENUINE Fits: 2.5L L4	24233732	🇺🇸 US 🇨🇦 CA	Clutch Hub Thrust Bearing Fitment notes — GM GENUINE 24233732 Clutch Hub Thrust Bearing 4-5-6Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24285660	🇺🇸 US 🇨🇦 CA	Clutch Hub Thrust Bearing Fitment notes — GM GENUINE 24285660 Clutch Hub Thrust Bearing 2-6, 3-5, ReverseBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24237209	🇺🇸 US 🇨🇦 CA	Clutch Hub Thrust BearingLength: 2.5 In Fitment notes — GM GENUINE 24237209 Clutch Hub Thrust BearingLength: 2.5 In 1-2-3-4Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24226393	🇺🇸 US 🇨🇦 CA	Clutch Hub Thrust Bearing Fitment notes — GM GENUINE 24226393 Clutch Hub Thrust Bearing 1-2-3-4, 3-5Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedSingle Use	View on Amazon
GM GENUINE Fits: 3.6L V6	24045328	🇺🇸 US 🇨🇦 CA	Fits 2-3-4-6-8, 4-5-6-7-8, Reverse8 Speed Transmission Fitment notes — GM GENUINE 24045328 Fits: 2-3-4-6-8, 4-5-6-7-8, Reverse8 Speed Transmission128.3" Wheelbas or: 2-3-4-6-8, 4-5-6-7-8, ReverseBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: 2-3-4-6-8, 4-5-6-7-8, ReverseDenali8 Speed Transmission61.7" Bed128.3" Wheelbas or: 2-3-4-6-8, 4-5-6-7-8, ReverseCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon
GM GENUINE Fits: 3.6L V6	24264381	🇺🇸 US 🇨🇦 CA	Clutch Hub Thrust Bearing Fitment notes — GM GENUINE 24264381 Clutch Hub Thrust Bearing Fits: 1-2-3-48 Speed Transmission128.3" WheelbaseClutch Hub Thrust Bearingor 1-2-3-4Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseClutch Hub Thrust Bearingor 1-2-3-4Denali8 Speed Transmission61.7" Bed128.3" WheelbaseClutch Hub Thrust Bearingor 1-2-3-4Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseClutch Hub Thrust Bearing	View on Amazon
GM GENUINE Fits: 3.6L V6	24266481	🇺🇸 US 🇨🇦 CA	Fits 2-3-4-6-8, 4-5-6-7-8, Reverse8 Speed Transmission Fitment notes — GM GENUINE 24266481 Fits: 2-3-4-6-8, 4-5-6-7-8, Reverse8 Speed Transmission128.3" Wheelbas or: 2-3-4-6-8, 4-5-6-7-8, ReverseBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: 2-3-4-6-8, 4-5-6-7-8, ReverseDenali8 Speed Transmission61.7" Bed128.3" Wheelbas or: 2-3-4-6-8, 4-5-6-7-8, ReverseCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon
GM GENUINE Fits: 3.6L V6	24278123	🇺🇸 US 🇨🇦 CA	Fits 1-3-5-6-78 Speed Transmission Fitment notes — GM GENUINE 24278123 Fits: 1-3-5-6-78 Speed Transmission128.3" Wheelbas or: 1-3-5-6-7Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: 1-3-5-6-7Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: 1-3-5-6-7Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon

This table covers the Clutch Housing Thrust bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.

Clutch Hub

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24233660	🇺🇸 US 🇨🇦 CA	4-5-6Base Model or SLE Model Fitment notes — GM GENUINE 24233660 4-5-6Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24252735	🇺🇸 US 🇨🇦 CA	2-6, 3-5, ReverseBase Model or SLE Model Fitment notes — GM GENUINE 24252735 2-6, 3-5, ReverseBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24286219	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24286219 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon

This table covers the Clutch hubs.

Clutch Pack Piston

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Popular Fits: 2.5L L4	24225523	🇺🇸 US 🇨🇦 CA	4-5-6Base Model or SLE Model Fitment notes — GM GENUINE 24225523 4-5-6Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24238560	🇺🇸 US 🇨🇦 CA	3-5, ReverseBase Model or SLE Model Fitment notes — GM GENUINE 24238560 3-5, ReverseBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24225525	🇺🇸 US 🇨🇦 CA	Low / ReverseBase Model or SLE Model Fitment notes — GM GENUINE 24225525 Low / ReverseBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24225524	🇺🇸 US 🇨🇦 CA	2-6Base Model or SLE Model Fitment notes — GM GENUINE 24225524 2-6Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24241073	🇺🇸 US 🇨🇦 CA	1-2-3-4Base Model or SLE Model Fitment notes — GM GENUINE 24241073 1-2-3-4Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 3.6L V6	24271698	🇺🇸 US 🇨🇦 CA	Rotor Outside Diameter (mm): 179.26 mm Fitment notes — GM GENUINE 24271698 Rotor Outside Diameter (mm): 179.26 mm Fits: 1-2-7-8, Reverse8 Speed Transmission128.3" Wheelbas or: 1-2-7-8, ReverseBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: 1-2-7-8, ReverseDenali8 Speed Transmission61.7" Bed128.3" Wheelbas or: 1-2-7-8, ReverseCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon
GM GENUINE Fits: 3.6L V6	24046316	🇺🇸 US 🇨🇦 CA	Snap Ring(s) Included: No Fitment notes — GM GENUINE 24046316 Snap Ring(s) Included: No Fits: 1-3-5-6-78 Speed Transmission128.3" Wheelbas or: 1-3-5-6-7Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: 1-3-5-6-7Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: 1-3-5-6-7Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon
GM GENUINE Fits: 3.6L V6	24270976	🇺🇸 US 🇨🇦 CA	Fits 4-5-6-7-8, Reverse8 speed transmission Fitment notes — GM GENUINE 24270976 Fits: 4-5-6-7-8, Reverse8 speed transmission128.3" Wheelbase8 speedwithout SEALS or: 4-5-6-7-8, ReverseBase Model or SLE Model or SLT Model8 speed transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbase8 speedwithout SEALS or: 4-5-6-7-8, ReverseDenali8 speed transmission61.7" bed128.3" Wheelbase8 speedwithout SEALS or: 4-5-6-7-8, ReverseCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 speed transmission74.0" bedFleetside140.5" Wheelbase8 speedwithout SEALS	View on Amazon
GM GENUINE Fits: 3.6L V6	24283344	🇺🇸 US 🇨🇦 CA	Fits 2-3-4-6-88 Speed Transmission Fitment notes — GM GENUINE 24283344 Fits: 2-3-4-6-88 Speed Transmission128.3" Wheelbas or: 2-3-4-6-8Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: 2-3-4-6-8Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: 2-3-4-6-8Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon

This table covers the pistons that apply a clutch pack.

Clutch Pack Piston Dam / Seal

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Popular Fits: 3.6L V6	24261024	🇺🇸 US 🇨🇦 CA	Fits 2-3-4-6-88 speed transmission Fitment notes — GM GENUINE 24261024 Fits: 2-3-4-6-88 speed transmission128.3" Wheelbase8 speedSINGLE USELARGE OTR or: 2-3-4-6-8Base Model or SLE Model or SLT Model8 speed transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbase8 speedSINGLE USELARGE OTR or: 2-3-4-6-8Denali8 speed transmission61.7" bed128.3" Wheelbase8 speedSINGLE USELARGE OTR or: 2-3-4-6-8Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 speed transmission74.0" bedFleetside140.5" Wheelbase8 speedSINGLE USELARGE OTR	View on Amazon
GM GENUINE Fits: 2.5L L4	24225526	🇺🇸 US 🇨🇦 CA	4-5-6Base Model or SLE Model Fitment notes — GM GENUINE 24225526 4-5-6Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24225522	🇺🇸 US 🇨🇦 CA	1-2-3-4Base Model or SLE Model Fitment notes — GM GENUINE 24225522 1-2-3-4Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 3.6L V6	24046796	🇺🇸 US 🇨🇦 CA	1-2-3-4-5, ReverseBase Model or Denali or SLE Model or SLT Model Fitment notes — GM GENUINE 24046796 1-2-3-4-5, ReverseBase Model or Denali or SLE Model or SLT Model8 Speed	View on Amazon
GM GENUINE Fits: 3.6L V6	24046797	🇺🇸 US 🇨🇦 CA	Fits 1-3-5-6-78 Speed Transmission Fitment notes — GM GENUINE 24046797 Fits: 1-3-5-6-78 Speed Transmission128.3" Wheelbas or: 1-3-5-6-7Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: 1-3-5-6-7Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: 1-3-5-6-7Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon
GM GENUINE Fits: 3.6L V6	24046799	🇺🇸 US 🇨🇦 CA	Fits 4-5-6-7-8, Reverse8 Speed Transmission Fitment notes — GM GENUINE 24046799 Fits: 4-5-6-7-8, Reverse8 Speed Transmission128.3" WheelbaseSingle UseINR or: 4-5-6-7-8, ReverseDenali8 Speed Transmission61.7" Bed128.3" WheelbaseSingle UseINR or: 4-5-6-7-8, ReverseBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseSingle UseINR or: 4-5-6-7-8, ReverseCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseSingle UseINR	View on Amazon
GM GENUINE Fits: 3.6L V6	24251833	🇺🇸 US 🇨🇦 CA	Material: Steel Fitment notes — GM GENUINE 24251833 Material: Steel Fits: 1-3-5-6-78 Speed Transmission128.3" Wheelbas or: 1-3-5-6-7Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: 1-3-5-6-7Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: 1-3-5-6-7Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon
GM GENUINE Fits: 3.6L V6	24259271	🇺🇸 US 🇨🇦 CA	Fits 4-5-6-7-8, Reverse8 Speed Transmission Fitment notes — GM GENUINE 24259271 Fits: 4-5-6-7-8, Reverse8 Speed Transmission128.3" WheelbaseSingle UseInner-Housingor 4-5-6-7-8, ReverseBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseSingle UseInner-Housingor 4-5-6-7-8, ReverseDenali8 Speed Transmission61.7" Bed128.3" WheelbaseSingle UseInner-Housingor 4-5-6-7-8, ReverseCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseSingle UseInner-Housing	View on Amazon

This table covers the seals at the Clutch Pack Piston Dam. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Clutch Plate

Backing Plate

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24225652	🇺🇸 US 🇨🇦 CA	4-5-6Base Model or SLE Model Fitment notes — GM GENUINE 24225652 4-5-6Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed Automatic trans.Clutch Backing Plate	View on Amazon
GM GENUINE Fits: 2.5L L4	24225653	🇺🇸 US 🇨🇦 CA	2-6Base Model or SLE Model Fitment notes — GM GENUINE 24225653 2-6Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed Automatic trans.Clutch Backing Plate	View on Amazon
GM GENUINE Fits: 2.5L L4	24225654	🇺🇸 US 🇨🇦 CA	3-5, ReverseBase Model or SLE Model Fitment notes — GM GENUINE 24225654 3-5, ReverseBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed Automatic trans.Clutch Backing Plate	View on Amazon
GM GENUINE Fits: 3.6L V6	24251863	🇺🇸 US 🇨🇦 CA	Fits 4-5-6-7-8, Reverse8 Speed Transmission Fitment notes — GM GENUINE 24251863 Fits: 4-5-6-7-8, Reverse8 Speed Transmission128.3" Wheelbase8 speed Automatic trans.Clutch Backing Plat or: 4-5-6-7-8, ReverseBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbase8 speed Automatic trans.Clutch Backing Plat or: 4-5-6-7-8, ReverseDenali8 Speed Transmission61.7" Bed128.3" WheelbaseClutch Backing Plat or: 4-5-6-7-8, ReverseCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase8 speed Automatic trans.Clutch Backing Plate	View on Amazon
GM GENUINE Fits: 3.6L V6	24261012	🇺🇸 US 🇨🇦 CA	Fits 2-3-4-6-88 Speed Transmission Fitment notes — GM GENUINE 24261012 Fits: 2-3-4-6-88 Speed Transmission128.3" WheelbaseClutch Backing Plat or: 2-3-4-6-8Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseClutch Backing Plat or: 2-3-4-6-8Denali8 Speed Transmission61.7" Bed128.3" WheelbaseClutch Backing Plat or: 2-3-4-6-8Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseClutch Backing Plate	View on Amazon
GM GENUINE Fits: 3.6L V6	24280567	🇺🇸 US 🇨🇦 CA	Fits 1-2-3-4-5, Reverse8 Speed Transmission Fitment notes — GM GENUINE 24280567 Fits: 1-2-3-4-5, Reverse8 Speed Transmission128.3" WheelbaseClutch Backing Plat or: 1-2-3-4-5, ReverseBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseClutch Backing Plat or: 1-2-3-4-5, ReverseDenali8 Speed Transmission61.7" Bed128.3" WheelbaseClutch Backing Plat or: 1-2-3-4-5, ReverseCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseClutch Backing Plate	View on Amazon

Friction

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Popular Fits: 2.5L L4	24258077	🇺🇸 US 🇨🇦 CA	Steel Fitment notes — GM GENUINE 24258077 Steel 1-2-3-4Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed Automatic trans.Friction Plate	View on Amazon
GM GENUINE Popular Fits: 2.5L L4	24243586	🇺🇸 US 🇨🇦 CA	Fiber Fitment notes — GM GENUINE 24243586 Fiber 1-2-3-4Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed Automatic trans.Friction Plate	View on Amazon
GM GENUINE Popular Fits: 3.6L V6	24268488	🇺🇸 US 🇨🇦 CA	Fiber Fitment notes — GM GENUINE 24268488 Fiber 4-5-6-7-8, ReverseBase Model or Denali or SLE Model or SLT Model8 Speed Automatic TransmissionFriction Plate	View on Amazon
GM GENUINE Popular Fits: 3.6L V6	24268484	🇺🇸 US 🇨🇦 CA	Friction Plate: YES Fitment notes — GM GENUINE 24268484 Friction Plate: YES Fits: 1-2-3-4-5, Reverse8 Speed Transmission128.3" WheelbaseFriction Plat or: 1-2-3-4-5, ReverseBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseFriction Plat or: 1-2-3-4-5, ReverseDenali8 Speed Transmission61.7" Bed128.3" WheelbaseFriction Plat or: 1-2-3-4-5, ReverseCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseFriction Plate	View on Amazon
GM GENUINE Popular Fits: 3.6L V6	24277132	🇺🇸 US 🇨🇦 CA	Fits 1-2-3-4-5, Reverse8 Speed Transmission Fitment notes — GM GENUINE 24277132 Fits: 1-2-3-4-5, Reverse8 Speed Transmission128.3" WheelbaseWide TeethFriction Plat or: 1-2-3-4-5, ReverseBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseWide TeethFriction Plat or: 1-2-3-4-5, ReverseDenali8 Speed Transmission61.7" Bed128.3" WheelbaseWide TeethFriction Plat or: 1-2-3-4-5, ReverseCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseWide TeethFriction Plate	View on Amazon
GM GENUINE Fits: 2.5L L4	24258079	🇺🇸 US 🇨🇦 CA	Steel Fitment notes — GM GENUINE 24258079 Steel Low / ReverseBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed Automatic trans.Friction Plate	View on Amazon
GM GENUINE Fits: 2.5L L4	24243587	🇺🇸 US 🇨🇦 CA	Fiber Fitment notes — GM GENUINE 24243587 Fiber 3-5, ReverseBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed Automatic trans.Friction Plate	View on Amazon
GM GENUINE Fits: 2.5L L4	24258078	🇺🇸 US 🇨🇦 CA	Steel Fitment notes — GM GENUINE 24258078 Steel 3-5, ReverseBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed Automatic trans.Friction Plate	View on Amazon
GM GENUINE Fits: 2.5L L4	24235455	🇺🇸 US 🇨🇦 CA	FiberSteel Fitment notes — GM GENUINE 24235455 FiberSteel 2-6Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed Automatic trans.Friction Plate	View on Amazon
GM GENUINE Fits: 2.5L L4	24243516	🇺🇸 US 🇨🇦 CA	Fiber Fitment notes — GM GENUINE 24243516 Fiber 2-6Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed Automatic trans.Friction Plate	View on Amazon
GM GENUINE Fits: 3.6L V6	24251852	🇺🇸 US 🇨🇦 CA	Material: Steel Fitment notes — GM GENUINE 24251852 Material: Steel Fits: 2-3-4-6-88 Speed Transmission128.3" WheelbaseFriction Plat or: 2-3-4-6-8Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseFriction Plat or: 2-3-4-6-8Denali8 Speed Transmission61.7" Bed128.3" WheelbaseFriction Plat or: 2-3-4-6-8Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseFriction Plate	View on Amazon
GM GENUINE Fits: 3.6L V6	24252230	🇺🇸 US 🇨🇦 CA	Material: Steel Fitment notes — GM GENUINE 24252230 Material: Steel Fits: 1-3-5-6-78 Speed Transmission128.3" Wheelbase8 speed Automatic trans.Friction Plat or: 1-3-5-6-7Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbase8 speed Automatic trans.Friction Plat or: 1-3-5-6-7Denali8 Speed Transmission61.7" Bed128.3" Wheelbase8 speed Automatic trans.Friction Plat or: 1-3-5-6-7Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase8 speed Automatic trans.Friction Plate	View on Amazon
GM GENUINE Fits: 3.6L V6	24268309	🇺🇸 US 🇨🇦 CA	Fits 1-3-5-6-78 Speed Transmission Fitment notes — GM GENUINE 24268309 Fits: 1-3-5-6-78 Speed Transmission128.3" Wheelbase8 speed Automatic trans.Friction Plat or: 1-3-5-6-7Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbase8 speed Automatic trans.Friction Plat or: 1-3-5-6-7Denali8 Speed Transmission61.7" Bed128.3" Wheelbase8 speed Automatic trans.Friction Plat or: 1-3-5-6-7Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase8 speed Automatic trans.Friction Plate	View on Amazon
GM GENUINE Fits: 3.6L V6	24277180	🇺🇸 US 🇨🇦 CA	Fits 1-2-3-4-5, Reverse8 Speed Transmission Fitment notes — GM GENUINE 24277180 Fits: 1-2-3-4-5, Reverse8 Speed Transmission128.3" WheelbaseFriction Plat or: 1-2-3-4-5, ReverseBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseFriction Plat or: 1-2-3-4-5, ReverseDenali8 Speed Transmission61.7" Bed128.3" WheelbaseFriction Plat or: 1-2-3-4-5, ReverseCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseFriction Plate	View on Amazon

Wave Plate

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 3.6L V6	24251855	🇺🇸 US 🇨🇦 CA	Fits 2-3-4-6-88 Speed Transmission Fitment notes — GM GENUINE 24251855 Fits: 2-3-4-6-88 Speed Transmission128.3" WheelbaseWave Plat or: 2-3-4-6-8Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseWave Plat or: 2-3-4-6-8Denali8 Speed Transmission61.7" Bed128.3" WheelbaseWave Plat or: 2-3-4-6-8Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseWave Plate	View on Amazon

This table covers the Clutch plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts.

Clutch Plate Pack

Friction Plate Pack

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 3.6L V6	24277829	🇺🇸 US 🇨🇦 CA	Fiber Clutch Plate Set Fitment notes — GM GENUINE 24277829 Fiber Clutch Plate Set Base Model or Denali or SLE Model or SLT Model8 speedALL FIBERS	View on Amazon
RAYBESTOS POWERTRAIN Fits: 2.5L L4	RCP96203	🇺🇸 US 🇨🇦 CA	Trans. code 6L50Only GM 6 Speed RWD, AWD Cadillac CTS, SLS, STS, SRX Clutch Pack Module Fitment notes — RAYBESTOS POWERTRAIN RCP96203 Trans. code 6L50Only GM 6 Speed RWD, AWD Cadillac CTS, SLS, STS, SRX Clutch Pack Module6L90	View on Amazon
RAYBESTOS POWERTRAIN Fits: 3.6L V6	RGPZ285	🇺🇸 US 🇨🇦 CA	8 speed trans.GPZ Clutch Pack Module	View on Amazon

Steel Plate Pack

Brand	Part Number	Markets	Notes	Buy
RAYBESTOS POWERTRAIN Fits: 2.5L L4	000285	🇺🇸 US 🇨🇦 CA	Steel Module Fitment notes — RAYBESTOS POWERTRAIN 000285 Steel Module Trans. code 6L50Trans. code 6L90	View on Amazon
RAYBESTOS POWERTRAIN Fits: 3.6L V6	STMGM45	🇺🇸 US 🇨🇦 CA	Steel Module Fitment notes — RAYBESTOS POWERTRAIN STMGM45 Steel Module 8 speed trans.	View on Amazon

This table covers the clutch-plate packs inside the transmission or transfer case.

Clutch Plate Retaining Ring

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Popular Fits: 2.5L L4	24231591	🇺🇸 US 🇨🇦 CA	4-5-6Base Model or SLE Model Fitment notes — GM GENUINE 24231591 4-5-6Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedGrey2.80-2.90Backing Plate	View on Amazon
GM GENUINE Popular Fits: 2.5L L4	24225508	🇺🇸 US 🇨🇦 CA	4-5-6Base Model or SLE Model Fitment notes — GM GENUINE 24225508 4-5-6Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedGreen2.52-2.62Backing Plate	View on Amazon
GM GENUINE Fits: 2.5L L4	24240629	🇺🇸 US 🇨🇦 CA	Fits 1-2-3-4Base Model or SLE Model Fitment notes — GM GENUINE 24240629 Fits: 1-2-3-4Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedLT Blue3.13-3.23mmBacking Plat or: 3-5, ReverseBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedLT Blue3.13-3.23mmBacking Plate	View on Amazon
GM GENUINE Fits: 2.5L L4	24240626	🇺🇸 US 🇨🇦 CA	Fits 1-2-3-4Base Model or SLE Model Fitment notes — GM GENUINE 24240626 Fits: 1-2-3-4Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedGray2.47-2.57mmBacking Plat or: 3-5, ReverseBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedGray2.47-2.57mmBacking Plate	View on Amazon
GM GENUINE Fits: 2.5L L4	24231593	🇺🇸 US 🇨🇦 CA	4-5-6Base Model or SLE Model Fitment notes — GM GENUINE 24231593 4-5-6Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedBlue3.64-3.74Backing Plate	View on Amazon
GM GENUINE Fits: 2.5L L4	24225509	🇺🇸 US 🇨🇦 CA	4-5-6Base Model or SLE Model Fitment notes — GM GENUINE 24225509 4-5-6Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedYellow3.08-3.18Backing Plate	View on Amazon
GM GENUINE Fits: 2.5L L4	24240632	🇺🇸 US 🇨🇦 CA	1-2-3-4Base Model or SLE Model Fitment notes — GM GENUINE 24240632 1-2-3-4Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedLT Blue/Purple3.79-3.89mmBacking Plate	View on Amazon
GM GENUINE Fits: 2.5L L4	24240631	🇺🇸 US 🇨🇦 CA	Fits 1-2-3-4Base Model or SLE Model Fitment notes — GM GENUINE 24240631 Fits: 1-2-3-4Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedYellowith Purple3.57-3.67mmBacking Plat or: 3-5, ReverseBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedYellowith Purple3.57-3.67mmBacking Plate	View on Amazon
GM GENUINE Fits: 3.6L V6	24044197	🇺🇸 US 🇨🇦 CA	1-2-3-4-5, Reverse8 Speed Fitment notes — GM GENUINE 24044197 1-2-3-4-5, Reverse8 SpeedLight Blue3.06mm-3.16mmBacking Plate	View on Amazon
GM GENUINE Fits: 3.6L V6	24044198	🇺🇸 US 🇨🇦 CA	Fits 1-2-3-4-5, Reverse8 Speed Transmission Fitment notes — GM GENUINE 24044198 Fits: 1-2-3-4-5, Reverse8 Speed Transmission128.3" WheelbaseOrange3.39mm-3.49mmBacking Plat or: 1-2-3-4-5, ReverseBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseOrange3.39mm-3.49mmBacking Plat or: 1-2-3-4-5, ReverseDenali8 Speed Transmission61.7" Bed128.3" WheelbaseOrange3.39mm-3.49mmBacking Plate	View on Amazon
GM GENUINE Fits: 3.6L V6	24044199	🇺🇸 US 🇨🇦 CA	Fits 1-2-3-4-5, Reverse8 Speed Transmission Fitment notes — GM GENUINE 24044199 Fits: 1-2-3-4-5, Reverse8 Speed Transmission128.3" WheelbaseDark Green3.71mm-3.81mmBacking Plat or: 1-2-3-4-5, ReverseBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseDark Green3.71mm-3.81mmBacking Plat or: 1-2-3-4-5, ReverseDenali8 Speed Transmission61.7" Bed128.3" WheelbaseDark Green3.71mm-3.81mmBacking Plate	View on Amazon
GM GENUINE Fits: 3.6L V6	24044201	🇺🇸 US 🇨🇦 CA	Fits 1-2-3-4-5, Reverse8 Speed Transmission Fitment notes — GM GENUINE 24044201 Fits: 1-2-3-4-5, Reverse8 Speed Transmission128.3" WheelbasePurple4.36mm-4.46mmBacking Plat or: 1-2-3-4-5, ReverseBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbasePurple4.36mm-4.46mmBacking Plat or: 1-2-3-4-5, ReverseDenali8 Speed Transmission61.7" Bed128.3" WheelbasePurple4.36mm-4.46mmBacking Plate	View on Amazon
GM GENUINE Fits: 3.6L V6	24044207	🇺🇸 US 🇨🇦 CA	Fits 1-3-5-6-78 Speed Transmission Fitment notes — GM GENUINE 24044207 Fits: 1-3-5-6-78 Speed Transmission128.3" WheelbasePurple2.42mm-2.52mmBacking Plat or: 1-3-5-6-7Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbasePurple2.42mm-2.52mmBacking Plat or: 1-3-5-6-7Denali8 Speed Transmission61.7" Bed128.3" WheelbasePurple2.42mm-2.52mmBacking Plate	View on Amazon

This table covers the Clutch Plate Retaining rings.

Clutch Seal Ring

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24262141	🇺🇸 US 🇨🇦 CA	1-2-3-4, 3-5, ReverseBase Model or SLE Model Fitment notes — GM GENUINE 24262141 1-2-3-4, 3-5, ReverseBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 3.6L V6	24262438	🇺🇸 US 🇨🇦 CA	Fits 8 Speed Transmission128.3" Wheelbase Fitment notes — GM GENUINE 24262438 Fits: 8 Speed Transmission128.3" WheelbaseSingle Use33.5 mm Tall0 ID Notchesor Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseSingle Use33.5 mm Tall0 ID Notchesor Denali8 Speed Transmission61.7" Bed128.3" WheelbaseSingle Use33.5 mm Tall0 ID Notchesor Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseSingle Use33.5 mm Tall0 ID Notches	View on Amazon
GM GENUINE Fits: 3.6L V6	24266594	🇺🇸 US 🇨🇦 CA	Fits 1-3-5-6-78 Speed Transmission Fitment notes — GM GENUINE 24266594 Fits: 1-3-5-6-78 Speed Transmission128.3" Wheelbas or: 1-3-5-6-7Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: 1-3-5-6-7Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: 1-3-5-6-7Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon

This table covers the Clutch Seal rings.

Clutch Spring

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24225559	🇺🇸 US 🇨🇦 CA	1-2-3-4Base Model or SLE Model Fitment notes — GM GENUINE 24225559 1-2-3-4Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24225560	🇺🇸 US 🇨🇦 CA	4-5-6Base Model or SLE Model Fitment notes — GM GENUINE 24225560 4-5-6Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24225561	🇺🇸 US 🇨🇦 CA	2-6Base Model or SLE Model Fitment notes — GM GENUINE 24225561 2-6Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24225562	🇺🇸 US 🇨🇦 CA	Low / ReverseBase Model or SLE Model Fitment notes — GM GENUINE 24225562 Low / ReverseBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24236051	🇺🇸 US 🇨🇦 CA	3-5, ReverseBase Model or SLE Model Fitment notes — GM GENUINE 24236051 3-5, ReverseBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon

This table covers the Clutch springs. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats.

Detent Lever

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24234562	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24234562 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon

This table covers the detent levers that hold a shifter in gear.

Drive Sprocket

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 3.6L V6	24280780	🇺🇸 US 🇨🇦 CA	Fits 8 Speed Transmission128.3" Wheelbase Fitment notes — GM GENUINE 24280780 Fits: 8 Speed Transmission128.3" WheelbaseAutomatic Transmission Fluid PumpDrive Link & Sprocket Setor Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseAutomatic Transmission Fluid PumpDrive Link & Sprocket Setor Denali8 Speed Transmission61.7" Bed128.3" WheelbaseAutomatic Transmission Fluid PumpDrive Link & Sprocket Setor Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseAutomatic Transmission Fluid PumpDrive Link & Sprocket Set	View on Amazon

This table covers the Drive sprockets.

Drive Sprocket Bearing

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4, 3.6L V6	19133111	🇺🇸 US 🇨🇦 CA	Front4WD Fitment notes — GM GENUINE 19133111 Front4WDBase Model or SLE Model74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed46X53X20 Fits: Front4WDBase Model8 speed transmission74.0" bedFleetside128.3" Wheelbase8 speed46X53X20 or: Front4WDCrew Cab PickupDenali or SLE Model or SLT Model8 speed transmission74.0" bed140.5" Wheelbase8 speed46X53X20 or: Front4WDDenali8 speed transmission61.7" bed128.3" Wheelbase8 speed46X53X20 or: Front4WDSLE Model or SLT Model8 speed transmission128.3" Wheelbase8 speed46X53X20	View on Amazon

This table covers the Drive Sprocket bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.

Extension Housing

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24261605	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24261605 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon

This table covers the Extension housings.

Extension Housing Bolt

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24225788	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24225788 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed Automatic trans.M10X1.5X34	View on Amazon
GM GENUINE Fits: 3.6L V6	11546404	🇺🇸 US 🇨🇦 CA	Fits Base Model or SLE Model or SLT Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 11546404 Fits: Base Model or SLE Model or SLT Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseM10X1.5X40 or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model74.0" BedFleetside140.5" WheelbaseM10X1.5X40 or: Denali61.7" Bed128.3" WheelbaseM10X1.5X40	View on Amazon

This table covers the Extension Housing bolts.

Extension Housing Gasket

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24225783	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24225783 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon
GM GENUINE Fits: 3.6L V6	24260919	🇺🇸 US 🇨🇦 CA	Fits 8 Speed Transmission128.3" Wheelbas Fitment notes — GM GENUINE 24260919 Fits: 8 Speed Transmission128.3" Wheelbas or: Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon

This table covers the gaskets that seal the Extension Housing. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.

Extension Housing Seal

Brand	Part Number	Markets	Notes	Buy
NATIONAL Fits: 2.5L L4, 3.6L V6	710843	🇺🇸 US 🇨🇦 CA	RWD6 speed trans. Fitment notes — NATIONAL 710843 RWD6 speed trans.General Motors trans.	View on Amazon
NATIONAL Fits: 2.5L L4, 3.6L V6	710533	🇺🇸 US 🇨🇦 CA	Transmission Extension Housing To TransmissionRWD Fitment notes — NATIONAL 710533 Transmission Extension Housing To TransmissionRWD8 speed trans.General Motors trans.	View on Amazon
WJB / INMOTION PARTS Fits: 2.5L L4, 3.6L V6	WS710843	🇺🇸 US 🇨🇦 CA	RWD6 speed trans. Fitment notes — WJB / INMOTION PARTS WS710843 RWD6 speed trans.General Motors trans.	View on Amazon
WJB / INMOTION PARTS Fits: 2.5L L4, 3.6L V6	WS710533	🇺🇸 US 🇨🇦 CA	Transmission Extension Housing To TransmissionRWD Fitment notes — WJB / INMOTION PARTS WS710533 Transmission Extension Housing To TransmissionRWD8 speed trans.General Motors trans.	View on Amazon

This table covers the seals at the Extension Housing. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Filter

Economy

Brand	Part Number	Markets	Notes	Buy
VARIOUS MFR Fits: 2.5L L4, 3.6L V6	PT20022	🇺🇸 US 🇨🇦 CA	Standard Fitment notes — VARIOUS MFR PT20022 Standard Trans. code 6L50Aftermarket Style Gasket	View on Amazon
VARIOUS MFR Fits: 2.5L L4, 3.6L V6	PT99576	🇺🇸 US 🇨🇦 CA	Standard Fitment notes — VARIOUS MFR PT99576 Standard 8 speed trans.Aftermarket Style Gasket	View on Amazon

Standard Replacement

Brand	Part Number	Markets	Notes	Buy
ATP Popular Fits: 2.5L L4, 3.6L V6	B240	🇺🇸 US 🇨🇦 CA	Does Not Include 3rd Hand Gasket Fitment notes — ATP B240 Does Not Include 3rd Hand Gasket Trans. code 6L50Pan	View on Amazon
ATP Popular Fits: 2.5L L4, 3.6L V6	B239	🇺🇸 US 🇨🇦 CA	Includes: Reusable Gasket JG-140Premium Replacement Fitment notes — ATP B239 Includes: Reusable Gasket JG-140Premium Replacement PanCanister	View on Amazon
GM GENUINE Popular Fits: 2.5L L4	24236517	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24236517 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speedSINGLE USEFILTER SEAL NOT INCLUDED. MUST ORDER FILTER SEAL PN 24225347	View on Amazon
RAYBESTOS POWERTRAIN Popular Fits: 3.6L V6	515685	🇺🇸 US 🇨🇦 CA	8 speed trans.	View on Amazon
ATP Fits: 2.5L L4	B241	🇺🇸 US 🇨🇦 CA	Includes: Reusable GasketPremium Replacement Fitment notes — ATP B241 Includes: Reusable GasketPremium Replacement Trans. code 6L50PanCanister	View on Amazon
ATP Fits: 2.5L L4	B205	🇺🇸 US 🇨🇦 CA	Premium Replacement Fitment notes — ATP B205 Premium Replacement Used for MD-300B or MD-400 Series Allison Transmission2" Sump	View on Amazon
HASTINGS / BALDWIN Fits: 2.5L L4, 3.6L V6	TF209	🇺🇸 US 🇨🇦 CA	6 speed trans.6 speed	View on Amazon
PIONEER Fits: 2.5L L4, 3.6L V6	746247	🇺🇸 US 🇨🇦 CA	Trans. code 6L50Length: 8.6875" Fitment notes — PIONEER 746247 Trans. code 6L50Length: 8.6875"Height: 2.25" Pan	View on Amazon
VAICO Fits: 2.5L L4	V400964	🇺🇸 US 🇨🇦 CA		View on Amazon

Brand	Part Number	Markets	Notes	Buy
PA CARGO Fits: 2.5L L4, 3.6L V6	138710	🇺🇸 US 🇨🇦 CA	Internal filter	View on Amazon

This table covers the replacement filters for this application — the table heading and notes say which circuit. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for.

Filter Seal

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24225347	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24225347 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed Automatic Trans.SINGLE USEFILTER NOT INCLUDED. MUST ALSO ORDER FILTER PN 24236517	View on Amazon

This table covers the seals at the Filter. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Flexplate

Brand	Part Number	Markets	Notes	Buy
ATP Fits: 2.5L L4	Z515	🇺🇸 US 🇨🇦 CA		View on Amazon
ATP Fits: 3.6L V6	Z512	🇺🇸 US 🇨🇦 CA		View on Amazon
GM GENUINE Fits: 2.5L L4	12686889	🇺🇸 US 🇨🇦 CA		View on Amazon
GM GENUINE Fits: 3.6L V6	12699085	🇺🇸 US 🇨🇦 CA	Base Model or Denali or SLE Model or SLT Model8 Speed	View on Amazon
PIONEER Fits: 2.5L L4	FRA626	🇺🇸 US 🇨🇦 CA		View on Amazon
PIONEER Fits: 3.6L V6	FRA649	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the flexplates that connect the crankshaft to the torque converter.

Flexplate Mounting Bolt

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	11610697	🇺🇸 US 🇨🇦 CA	SINGLE USEM11X1.5X17	View on Amazon
GM GENUINE Fits: 3.6L V6	11588468	🇺🇸 US 🇨🇦 CA	Base Model or Denali or SLE Model or SLT Model8 speed Fitment notes — GM GENUINE 11588468 Base Model or Denali or SLE Model or SLT Model8 speedSINGLE USEM10X1.5X15,10.9	View on Amazon

This table covers the Flexplate Mounting bolts.

Fluid Cooler Line / Hose

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	84331393	🇺🇸 US 🇨🇦 CA	Fits Inlet and Outlet Assembly4WD Fitment notes — GM GENUINE 84331393 Fits: Inlet and Outlet Assembly4WDExtended Cab Pickup128.3" WheelbaseTrans.Code 6L50 or: Inlet and Outlet AssemblyRWD128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 3.6L V6	84601961	🇺🇸 US 🇨🇦 CA	Fits Inlet and Outlet Assembly4WD Fitment notes — GM GENUINE 84601961 Fits: Inlet and Outlet Assembly4WDCrew Cab PickupSLE Model8 Speed Transmission140.5" Wheelbas or: Inlet and Outlet Assembly4WDCrew Cab PickupSLT Model8 Speedor Inlet and Outlet Assembly4WDExtended Cab PickupBase Model or SLT Model8 Speed Transmission128.3" Wheelbas or: Inlet and Outlet Assembly4WDSLE Model8 Speed Transmission128.3" Wheelbas or: Inlet and Outlet AssemblyDenali8 Speedor Inlet and Outlet AssemblyRWDBase Model8 Speed Transmission128.3" Wheelbas or: Inlet and Outlet AssemblyRWDCrew Cab PickupBase Model8 Speed Transmission140.5" Wheelbas or: Inlet and Outlet AssemblyRWDCrew Cab PickupSLE Model8 Speed Transmission140.5" Wheelbas or: Inlet and Outlet AssemblyRWDSLE Model8 Speed Transmission128.3" Wheelbas or: Inlet and Outlet AssemblyRWDCrew Cab PickupSLT Model8 Speed	View on Amazon
SUNSONG Fits: 2.5L L4	5802011	🇺🇸 US 🇨🇦 CA	Inlet and Outlet	View on Amazon
SUNSONG Fits: 3.6L V6	5802110	🇺🇸 US 🇨🇦 CA	Inlet and Outlet	View on Amazon

This table covers the Fluid Cooler Line hoses. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle.

Fluid Cooler Line / Hose Connector

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4, 3.6L V6	19210848	🇺🇸 US 🇨🇦 CA	End Fitting Fitment notes — GM GENUINE 19210848 End Fitting Fits: Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" Wheelbasewithout Bevel WasherAluminumwith Retaineror Crew Cab PickupBase Model or SLE Model74.0" BedFleetside140.5" Wheelbasewithout Bevel WasherAluminumwith Retaineror SL Modelwithout Bevel WasherAluminumwith Retaineror Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speedwithout Bevel WasherAluminumwith Retainer Fits: Base Model or SLE Model or SLT Model61.7" bed or 74.0" bedFleetside128.3" Wheelbasewithout Bevel WasherAluminumwith Retaineror Crew Cab PickupBase Model or Denali or SLE Model or SLT Model74.0" BedFleetside140.5" Wheelbasewithout Bevel WasherAluminumwith Retaineror Denali61.7" Bed128.3" Wheelbasewithout Bevel WasherAluminumwith Retainer	View on Amazon
GM GENUINE Fits: 3.6L V6	15797464	🇺🇸 US 🇨🇦 CA	End Fitting Fitment notes — GM GENUINE 15797464 End Fitting Fits: Base Model or SLE Model or SLT Model61.7" bed or 74.0" bedFleetside128.3" Wheelbasewith Transmission Oil Cooler Pipe with 20.7MM From Flat of Flare To Pipe EndEngine Oil Cooler At Radiator7/8-14 or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model74.0" BedFleetside140.5" Wheelbasewith Transmission Oil Cooler Pipe with 20.7MM From Flat of Flare To Pipe EndEngine Oil Cooler At Radiator7/8-14 or: Denali61.7" Bed128.3" Wheelbasewith Transmission Oil Cooler Pipe with 20.7MM From Flat of Flare To Pipe EndEngine Oil Cooler At Radiator7/8-14	View on Amazon
GM GENUINE Fits: 3.6L V6	12672501	🇺🇸 US 🇨🇦 CA	Fits RWD8 speedor 4WD Fitment notes — GM GENUINE 12672501 Fits: RWD8 speedor 4WDBase Model or SLT Model8 Speed Transmission128.3" Wheelbas or: 4WDDenali or SLE Model8 Speedor 4WDSLT Model8 Speed Transmission140.5" Wheelbase	View on Amazon

This table covers the harness connectors at the Fluid Cooler Line / Hose. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.

Fluid Cooler Line / Hose Seal

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4, 3.6L V6	85628205	🇺🇸 US 🇨🇦 CA	Fits Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 85628205 Fits: Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseSingle UseAt Trans or: SL ModelSingle UseAt Trans Fits: 128.3" WheelbaseAt Trans or: Base Model or SLE Model or SLT Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseSingle UseAt Trans or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model74.0" BedFleetside140.5" WheelbaseSingle UseAt Trans or: Denali61.7" Bed128.3" WheelbaseSingle UseAt Trans	View on Amazon
GM GENUINE Fits: 2.5L L4, 3.6L V6	24237658	🇺🇸 US 🇨🇦 CA	Reman Fitment notes — GM GENUINE 24237658 Reman Fits: SL ModelSINGLE USEAT PIPESEALS ONE PIPE or: Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseSINGLE USEAT PIPESEALS ONE PIPE or: Crew Cab PickupBase Model or SLE Model74.0" bedFleetside140.5" WheelbaseSINGLE USEAT PIPESEALS ONE PIPE Fits: Base Model or SLE Model or SLT Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseSINGLE USEAT PIPESEALS ONE PIPE or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model74.0" bedFleetside140.5" WheelbaseSINGLE USEAT PIPESEALS ONE PIPE or: Denali61.7" bed128.3" WheelbaseSINGLE USEAT PIPESEALS ONE PIPE	View on Amazon
SKP Fits: 2.5L L4, 3.6L V6	SK66219	🇺🇸 US 🇨🇦 CA	Automatic trans.	View on Amazon

This table covers the seals at the Fluid Cooler Line / Hose. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Fluid Cooler Line Clip

Brand	Part Number	Markets	Notes	Buy
DORMAN Fits: 2.5L L4, 3.6L V6	14152	🇺🇸 US 🇨🇦 CA	18 MM Diameter	View on Amazon
GM GENUINE Fits: 2.5L L4, 3.6L V6	95929524	🇺🇸 US 🇨🇦 CA	Hose & Tube Assembly Clip Fitment notes — GM GENUINE 95929524 Hose & Tube Assembly Clip Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedW.15mm Fits: 8 Speed Transmission128.3" WheelbaseW.15mmor Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseW.15mmor Denali8 Speed Transmission61.7" Bed128.3" WheelbaseW.15mmor Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseW.15mm	View on Amazon
GM GENUINE Fits: 3.6L V6	88996648	🇺🇸 US 🇨🇦 CA	Fits Base Model or SLE Model or SLT Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 88996648 Fits: Base Model or SLE Model or SLT Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseQ/C RETAINER CLIPWHITE5/8or Denali61.7" bed128.3" WheelbaseQ/C RETAINER CLIPWHITE5/8	View on Amazon

This table covers the Fluid Cooler Line clips.

Fluid Pan

Brand	Part Number	Markets	Notes	Buy
DORMAN Fits: 2.5L L4, 3.6L V6	265953	🇺🇸 US 🇨🇦 CA	OE FIX Fitment notes — DORMAN 265953 OE FIX 8 speed trans.	View on Amazon
GM GENUINE Fits: 2.5L L4	24293414	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24293414 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon
GM GENUINE Fits: 3.6L V6	24045034	🇺🇸 US 🇨🇦 CA	Drain Thread Diameter (In): 0.25 In Fitment notes — GM GENUINE 24045034 Drain Thread Diameter (In): 0.25 In Fits: 8 Speed Transmission128.3" Wheelbas or: Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon

This table covers the pans that hold automatic-transmission fluid.

Fluid Pan Bolt

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4, 3.6L V6	11589299	🇺🇸 US 🇨🇦 CA	Fits Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 11589299 Fits: Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speedor Crew Cab PickupSLE Model74.0" Bed140.5" WheelbaseTrans.Code 6L506 Speed Fits: Base Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speedor Crew Cab PickupDenali or SLE Model or SLT Model74.0" Bed140.5" WheelbaseTrans.Code 6L506 Speedor Denali61.7" Bed128.3" WheelbaseTrans.Code 6L506 Speedor SLE Model or SLT Model61.7" Bed128.3" WheelbaseTrans.Code 6L50 or: SLE Model74.0" Bed128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon

This table covers the Fluid Pan bolts.

Fluid Pan Drain Plug

Brand	Part Number	Markets	Notes	Buy
DORMAN Fits: 2.5L L4, 3.6L V6	265003	🇺🇸 US 🇨🇦 CA	8 speed trans.Designed Specifically To Work with Dorman OE Solutions Transmission Oil Pans. Not For Replacement of Original Drain Plugs. Fitment notes — DORMAN 265003 8 speed trans.Designed Specifically To Work with Dorman OE Solutions Transmission Oil Pans. Not For Replacement of Original Drain Plugs.Gasket Or Seal Included: YES	View on Amazon
GM GENUINE Fits: 2.5L L4	24234212	🇺🇸 US 🇨🇦 CA	Includes Seal Fitment notes — GM GENUINE 24234212 Includes Seal Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speedM12X1.75	View on Amazon
GM GENUINE Fits: 2.5L L4	24267298	🇺🇸 US 🇨🇦 CA	Includes Seal Fitment notes — GM GENUINE 24267298 Includes Seal Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speedM6X1.0	View on Amazon

This table covers the Fluid Pan drain plugs.

Fluid Pan Gasket

Brand	Part Number	Markets	Notes	Buy
FEL-PRO Fits: 2.5L L4, 3.6L V6	TOS18776	🇺🇸 US 🇨🇦 CA	8 speed trans.	View on Amazon
FEL-PRO Fits: 2.5L L4, 3.6L V6	TOS18794	🇺🇸 US 🇨🇦 CA	Trans. code 6L50General Motors trans.	View on Amazon
GM GENUINE Fits: 2.5L L4	24225800	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24225800 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon
GM GENUINE Fits: 3.6L V6	24260071	🇺🇸 US 🇨🇦 CA	Fits 8 Speed Transmission128.3" Wheelbas Fitment notes — GM GENUINE 24260071 Fits: 8 Speed Transmission128.3" Wheelbas or: Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon
VICTOR REINZ Fits: 3.6L V6	712555800	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the gaskets that seal the Fluid Pan. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.

Fluid Pan Magnet

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4, 3.6L V6	29535617	🇺🇸 US 🇨🇦 CA	Length: 1.8 In Fitment notes — GM GENUINE 29535617 Length: 1.8 In Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed Fits: 8 Speed Transmission128.3" Wheelbas or: Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon

This table covers the Fluid Pan magnets.

Fluid Pump

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 3.6L V6	24059773	🇺🇸 US 🇨🇦 CA	Base Model or Denali or SLE Model or SLT Model8 Speed Fitment notes — GM GENUINE 24059773 Base Model or Denali or SLE Model or SLT Model8 SpeedMain	View on Amazon

This table covers the Fluid pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit.

Fluid Pump Bushing

Brand	Part Number	Markets	Notes	Buy
DURA-BOND Fits: 2.5L L4, 3.6L V6	JT2061	🇺🇸 US 🇨🇦 CA	Trans. code 6L50Bell Housing (Pump Body) Fitment notes — DURA-BOND JT2061 Trans. code 6L50Bell Housing (Pump Body)Coated	View on Amazon
DURA-BOND Fits: 2.5L L4, 3.6L V6	JT2061TG	🇺🇸 US 🇨🇦 CA	Dry Film Lubricated Fitment notes — DURA-BOND JT2061TG Dry Film Lubricated Trans. code 6L50Bell Housing (Pump Body)Dry Film Lubricant	View on Amazon
GM GENUINE Fits: 3.6L V6	24259160	🇺🇸 US 🇨🇦 CA	Fits 8 Speed Transmission128.3" Wheelbas Fitment notes — GM GENUINE 24259160 Fits: 8 Speed Transmission128.3" Wheelbas or: Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon

This table covers the Fluid Pump bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.

Fluid Pump Cover Bolt

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24227061	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24227061 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon

This table covers the Fluid Pump Cover bolts.

Fluid Pump Rotor

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24049851	🇺🇸 US 🇨🇦 CA	Trans. code 6L506 speed Fitment notes — GM GENUINE 24049851 Trans. code 6L506 speed17.948MM-17.961MM	View on Amazon
GM GENUINE Fits: 2.5L L4	24049853	🇺🇸 US 🇨🇦 CA	Trans. code 6L506 speed Fitment notes — GM GENUINE 24049853 Trans. code 6L506 speed17.974MM-17.987MM	View on Amazon
GM GENUINE Fits: 2.5L L4	24049852	🇺🇸 US 🇨🇦 CA	Trans. code 6L506 speed Fitment notes — GM GENUINE 24049852 Trans. code 6L506 speed17.961MM-17.974MM	View on Amazon

This table covers the Fluid Pump rotors. Typical signs include shudder under braking, or a lip at the outer edge. Do not put new pads on a rotor that is below minimum thickness.

Fluid Pump Seal

Brand	Part Number	Markets	Notes	Buy
NATIONAL Popular Fits: 2.5L L4, 3.6L V6	710830	🇺🇸 US 🇨🇦 CA	FrontTrans. code 6L50 Fitment notes — NATIONAL 710830 FrontTrans. code 6L50General Motors trans.	View on Amazon
GM GENUINE Fits: 2.5L L4	24225543	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24225543 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon
NATIONAL Fits: 2.5L L4, 3.6L V6	711108	🇺🇸 US 🇨🇦 CA	Front8 speed trans. Fitment notes — NATIONAL 711108 Front8 speed trans.General Motors trans.	View on Amazon
WJB / INMOTION PARTS Fits: 2.5L L4, 3.6L V6	WS711108	🇺🇸 US 🇨🇦 CA	Front8 speed trans. Fitment notes — WJB / INMOTION PARTS WS711108 Front8 speed trans.General Motors trans.	View on Amazon
WJB / INMOTION PARTS Fits: 2.5L L4, 3.6L V6	WS710830	🇺🇸 US 🇨🇦 CA	FrontTrans. code 6L50 Fitment notes — WJB / INMOTION PARTS WS710830 FrontTrans. code 6L50General Motors trans.	View on Amazon

This table covers the seals at the Fluid Pump. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Fluid Pump Slide

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24224131	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24224131 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed17.961MM-17.974MM	View on Amazon
GM GENUINE Fits: 2.5L L4	24224132	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24224132 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed17.974MM-17.987MM	View on Amazon
GM GENUINE Fits: 2.5L L4	24222668	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24222668 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed17.948MM-17.961MM	View on Amazon

This table covers the slides inside the transmission fluid pump.

Gasket Kit

Brand	Part Number	Markets	Notes	Buy
ULTRA-POWER Fits: 2.5L L4	66219	🇺🇸 US 🇨🇦 CA	At Trans Oil Cooler	View on Amazon

This table covers the gasket kits for this job. Typical signs include the leaks that sent this assembly to the bench. Confirm the kit matches the opening you are sealing; unused leftover pieces often belong to another configuration.

Input Carrier

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24225602	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24225602 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon
GM GENUINE Fits: 3.6L V6	24276242	🇺🇸 US 🇨🇦 CA	Fits 8 Speed Transmission128.3" Wheelbas Fitment notes — GM GENUINE 24276242 Fits: 8 Speed Transmission128.3" Wheelbas or: Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon

This table covers the input carriers in the planetary gearset.

Input Shaft Seal

Brand	Part Number	Markets	Notes	Buy
ELRING Fits: 2.5L L4	B16650	🇺🇸 US 🇨🇦 CA	Material: ACM (Polyacrylate) Fitment notes — ELRING B16650 Material: ACM (Polyacrylate) Transmission Input Shaft	View on Amazon

This table covers the seals at the Input Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Manual Shaft Seal

Brand	Part Number	Markets	Notes	Buy
NATIONAL Popular Fits: 2.5L L4, 3.6L V6	8792S	🇺🇸 US 🇨🇦 CA	8 speed trans.General Motors trans.	View on Amazon
GM GENUINE Fits: 2.5L L4, 3.6L V6	24235861	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24235861 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed Fits: 8 Speed Transmission128.3" Wheelbas or: Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon
NATIONAL Fits: 2.5L L4, 3.6L V6	710545	🇺🇸 US 🇨🇦 CA	Trans. code 6L50General Motors trans.	View on Amazon
WJB / INMOTION PARTS Fits: 2.5L L4, 3.6L V6	WS8792S	🇺🇸 US 🇨🇦 CA	8 speed trans.General Motors trans.	View on Amazon
WJB / INMOTION PARTS Fits: 2.5L L4, 3.6L V6	WS710545	🇺🇸 US 🇨🇦 CA	Trans. code 6L50General Motors trans.	View on Amazon

This table covers the seals at the Manual Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Manual Shift Shaft

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4, 3.6L V6	24225445	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24225445 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed Automatic Trans. Fits: 128.3" Wheelbase8 speed Automatic trans.or Denali8 speed Automatic trans.61.7" bed128.3" Wheelbas or: Base Model or SLE Model or SLT Model8 speed Automatic trans.61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 speed Automatic trans.74.0" bedFleetside140.5" Wheelbase	View on Amazon

This table covers the Manual Shift shafts.

Manual Valve

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24224770	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24224770 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon

This table covers the manual valves in the transmission valve body. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.

O-Rings & Seals

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24236928	🇺🇸 US 🇨🇦 CA	Electrical Connector Passage Sleeve Seal Kit Fitment notes — GM GENUINE 24236928 Electrical Connector Passage Sleeve Seal Kit Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24243890	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24243890 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speedCLUTCHES	View on Amazon
GM GENUINE Fits: 2.5L L4	24238913	🇺🇸 US 🇨🇦 CA	Contains Transfer Seals For MYA and MYB Models Only. Fitment notes — GM GENUINE 24238913 Contains Transfer Seals For MYA and MYB Models Only. Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedIncludes Control Valve Solenoid Assembly	View on Amazon
GM GENUINE Fits: 2.5L L4	24272471	🇺🇸 US 🇨🇦 CA	OverhaulDoes Not Include Spacer Plate Assembly, Pistons with Bonded Seals, and Fiber and Steel Clutch Plates Fitment notes — GM GENUINE 24272471 OverhaulDoes Not Include Spacer Plate Assembly, Pistons with Bonded Seals, and Fiber and Steel Clutch Plates Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon
GM GENUINE Fits: 3.6L V6	24044772	🇺🇸 US 🇨🇦 CA	Fits 8 Speed Transmission128.3" Wheelbas Fitment notes — GM GENUINE 24044772 Fits: 8 Speed Transmission128.3" Wheelbas or: Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon
GM GENUINE Fits: 3.6L V6	24045159	🇺🇸 US 🇨🇦 CA	Fits 8 Speed Transmission128.3" Wheelbase Fitment notes — GM GENUINE 24045159 Fits: 8 Speed Transmission128.3" WheelbaseThis Service Kit Does Not Include The 1-2-3-4-5-REV CLU PSTN Seal(Illustration Callout 408). For The 1-2-3-4-5-REV CLU PSTN Seal, Must Also OrdeIncludes Field Serviceable Seals and Gasket, does not include CLU PSTN(S)/Dams(S) with Bonded Seal(S). does not include Fiber or Steel CLU Plates (Overhaul) or: Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseThis Service Kit Does Not Include The 1-2-3-4-5-REV CLU PSTN Seal(Illustration Callout 408). For The 1-2-3-4-5-REV CLU PSTN Seal, Must Also OrdeIncludes Field Serviceable Seals and Gasket, does not include CLU PSTN(S)/Dams(S) with Bonded Seal(S). does not include Fiber or Steel CLU Plates (Overhaul) or: Denali8 Speed Transmission61.7" Bed128.3" WheelbaseThis Service Kit Does Not Include The 1-2-3-4-5-REV CLU PSTN Seal(Illustration Callout 408). For The 1-2-3-4-5-REV CLU PSTN Seal, Must Also OrdeIncludes Field Serviceable Seal	View on Amazon

This table covers the O-rings and seals at this joint.

Output Carrier

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24225603	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24225603 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon

This table covers the output carriers in the planetary gearset.

Output Carrier Internal Gear

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24286178	🇺🇸 US 🇨🇦 CA	Width: 9.25 In Fitment notes — GM GENUINE 24286178 Width: 9.25 In Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24286189	🇺🇸 US 🇨🇦 CA	Width: 7.25 In Fitment notes — GM GENUINE 24286189 Width: 7.25 In Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon
GM GENUINE Fits: 3.6L V6	24277245	🇺🇸 US 🇨🇦 CA	Fits 8 Speed Transmission128.3" Wheelbas Fitment notes — GM GENUINE 24277245 Fits: 8 Speed Transmission128.3" Wheelbas or: Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon

This table covers the Output Carrier Internal gears.

Output Shaft

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24237832	🇺🇸 US 🇨🇦 CA	RWDBase Model or SLE Model Fitment notes — GM GENUINE 24237832 RWDBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4	24264941	🇺🇸 US 🇨🇦 CA	4WDBase Model or SLE Model Fitment notes — GM GENUINE 24264941 4WDBase Model or SLE Model74.0" BedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 3.6L V6	24045050	🇺🇸 US 🇨🇦 CA	Fits RWD8 Speed Transmission Fitment notes — GM GENUINE 24045050 Fits: RWD8 Speed Transmission128.3" Wheelbas or: RWDDenali8 Speed Transmission61.7" Bed128.3" Wheelbas or: RWDBase Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: RWDCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbas or: RWDSLE Model or SLT Model8 Speed Transmission61.7" Bed128.3" Wheelbas or: RWDSLE Model8 Speed Transmission74.0" Bed128.3" Wheelbase	View on Amazon
GM GENUINE Fits: 3.6L V6	24275270	🇺🇸 US 🇨🇦 CA	Fits 4WDDenali Fitment notes — GM GENUINE 24275270 Fits: 4WDDenali8 Speed Transmission61.7" Bed128.3" Wheelbas or: 4WDCrew Cab PickupSLE Model8 Speed Transmission61.7" Bed128.3" Wheelbase8 Speedor 4WDCrew Cab PickupSLE Model8 Speed Transmission74.0" Bed140.5" Wheelbase8 Speedor 4WDCrew Cab PickupSLT Model8 Speed Transmission61.7" Bed128.3" Wheelbase8 Speedor 4WDCrew Cab PickupSLT Model8 Speed Transmission74.0" Bed140.5" Wheelbase8 Speedor 4WDDenali8 Speed Transmission74.0" Bed140.5" Wheelbase8 Speed	View on Amazon

This table covers the Output shafts.

Output Shaft Bearing

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24224668	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24224668 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedThrust Bearing	View on Amazon
GM GENUINE Fits: 2.5L L4, 3.6L V6	24242995	🇺🇸 US 🇨🇦 CA	FrontBase Model or SLE Model Fitment notes — GM GENUINE 24242995 FrontBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speedRESIDES IN MAIN TRANSMISSION CASE Fits: Front8 speed transmission128.3" Wheelbase8 speedRESIDES IN MAIN TRANSMISSION CASE or: FrontBase Model or SLE Model or SLT Model8 speed transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbase8 speedRESIDES IN MAIN TRANSMISSION CASE or: FrontDenali8 speed transmission61.7" bed128.3" Wheelbase8 speedRESIDES IN MAIN TRANSMISSION CASE or: FrontCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 speed transmission74.0" bedFleetside140.5" Wheelbase8 speedRESIDES IN MAIN TRANSMISSION CASE	View on Amazon

This table covers the Output Shaft bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.

Output Shaft Bushing

Brand	Part Number	Markets	Notes	Buy
DURA-BOND Fits: 2.5L L4, 3.6L V6	135021AT	🇺🇸 US 🇨🇦 CA	Coated Fitment notes — DURA-BOND 135021AT Coated Trans. code 6L50Output Shaft	View on Amazon

This table covers the Output Shaft bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.

Output Shaft Seal

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24228876	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24228876 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon
GM GENUINE Fits: 3.6L V6	24251228	🇺🇸 US 🇨🇦 CA	Base Model or Denali or SLE Model or SLT Model8 speed Fitment notes — GM GENUINE 24251228 Base Model or Denali or SLE Model or SLT Model8 speedSINGLE USE34.5 I.D.	View on Amazon

This table covers the seals at the Output Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Park Pawl Actuator Bracket

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 3.6L V6	24285402	🇺🇸 US 🇨🇦 CA	Fits 128.3" Wheelbase8 speed Automatic trans.or Denali Fitment notes — GM GENUINE 24285402 Fits: 128.3" Wheelbase8 speed Automatic trans.or Denali8 speed Automatic trans.61.7" bed128.3" Wheelbas or: Base Model or SLE Model or SLT Model8 speed Automatic trans.61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 speed Automatic trans.74.0" bedFleetside140.5" Wheelbase	View on Amazon

This table covers the brackets that mount the Park Pawl Actuator. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners.

Parking Pawl

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 3.6L V6	24291215	🇺🇸 US 🇨🇦 CA	Fits 8 Speed Transmission128.3" Wheelbas Fitment notes — GM GENUINE 24291215 Fits: 8 Speed Transmission128.3" Wheelbas or: Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon
GM GENUINE Fits: 3.6L V6	24279988	🇺🇸 US 🇨🇦 CA	Actuating Rod Fitment notes — GM GENUINE 24279988 Actuating Rod Fits: 8 Speed Transmission128.3" Wheelbas or: Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon

This table covers the parking pawls that lock the transmission in Park.

Plug Adapter

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4, 3.6L V6	8654382	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 8654382 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedNPFT Hex Head1/8-27 Fits: 8 Speed Transmission128.3" WheelbaseNPFT Hex Head1/8-27 or: Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseNPFT Hex Head1/8-27 or: Denali8 Speed Transmission61.7" Bed128.3" WheelbaseNPFT Hex Head1/8-27 or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseNPFT Hex Head1/8-27	View on Amazon

This table covers the Plug adapters.

Pressure Regulator Valve

Brand	Part Number	Markets	Notes	Buy
TRANSGO Fits: 2.5L L4, 3.6L V6	6L8VLPR3	🇺🇸 US 🇨🇦 CA	Pressure Regulator Valve Repair Kit Fitment notes — TRANSGO 6L8VLPR3 Pressure Regulator Valve Repair Kit Trans. code 6L50	View on Amazon

This table covers the Pressure Regulator valves. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.

Reaction Carrier Thrust Bearing

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 3.6L V6	24264381	🇺🇸 US 🇨🇦 CA	Clutch Hub Thrust Bearing Fitment notes — GM GENUINE 24264381 Clutch Hub Thrust Bearing Fits: 8 Speed Transmission128.3" Wheelbas or: Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon

This table covers the Reaction Carrier Thrust bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.

Reaction Internal Gear

Brand	Part Number	Markets	Notes	Buy
ACDELCO Fits: 3.6L V6	24281368	🇺🇸 US 🇨🇦 CA	GM Original Equipment Fitment notes — ACDELCO 24281368 GM Original Equipment Fits: RWDCrew Cab PickupBase Model8 speedor Denali8 speedor Crew Cab PickupSLE ModelSLT Model8 speedor 4WDExtended Cab PickupSLT Model8 speed trans.128.3" Wheelbas or: Extended Cab PickupBase Model or SLE Model8 speed trans.128.3" Wheelbase	View on Amazon

This table covers the Reaction Internal gears.

Rebuild Kit

Master Kit (Overhaul Kit + Friction & Steel Clutch Plates)

Brand	Part Number	Markets	Notes	Buy
PIONEER Fits: 2.5L L4, 3.6L V6	752359	🇺🇸 US 🇨🇦 CA	Master Kit Fitment notes — PIONEER 752359 Master Kit 8 speed trans.	View on Amazon

Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings)

Brand	Part Number	Markets	Notes	Buy
TRANSTEC Popular Fits: 2.5L L4, 3.6L V6	81000468	🇺🇸 US 🇨🇦 CA	without Pistons Fitment notes — TRANSTEC 81000468 without Pistons Fits: Base6L45, 6L506 Speedor SLE6L45, 6L506 Speed Fits: Base6L45, 6L506 Speedor SLE6L45, 6L506 Speedor SLT6L45, 6L506 Speedor Denali6L45, 6L506 Speedor All Terrain6L45, 6L506 Speed	View on Amazon
PA CARGO Fits: 2.5L L4, 3.6L V6	K138900A	🇺🇸 US 🇨🇦 CA		View on Amazon
TRANSTEC Fits: 2.5L L4, 3.6L V6	71016836	🇺🇸 US 🇨🇦 CA	w Pistons Fitment notes — TRANSTEC 71016836 w Pistons Fits: Base8L45 or: SLE8L45 or: SLT8L45 or: Denali8L45 or: All Terrain8L45	View on Amazon
TRANSTEC Fits: 2.5L L4, 3.6L V6	81000638	🇺🇸 US 🇨🇦 CA	with Bonded Pistons Fitment notes — TRANSTEC 81000638 with Bonded Pistons Fits: Base6L45, 6L506 Speedor SLE6L45, 6L506 Speed Fits: Base6L45, 6L506 Speedor SLE6L45, 6L506 Speedor SLT6L45, 6L506 Speedor Denali6L45, 6L506 Speedor All Terrain6L45, 6L506 Speed	View on Amazon

This table covers the rebuild kits for this assembly.

Retaining Ring

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24218963	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24218963 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed Automatic trans.Torque Converter Seal Retaining Ring	View on Amazon
GM GENUINE Fits: 2.5L L4	24230370	🇺🇸 US 🇨🇦 CA	Color: Gray Fitment notes — GM GENUINE 24230370 Color: Gray Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed Automatic trans.Clutch Dampener Retaining Ring	View on Amazon
GM GENUINE Fits: 2.5L L4	24241092	🇺🇸 US 🇨🇦 CA	OutputBase Model or SLE Model Fitment notes — GM GENUINE 24241092 OutputBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L50Carrier Internal Gear Retaining Ring	View on Amazon
GM GENUINE Fits: 3.6L V6	24266577	🇺🇸 US 🇨🇦 CA	Fits Output8 Speed Transmission Fitment notes — GM GENUINE 24266577 Fits: Output8 Speed Transmission128.3" WheelbaseCarrier Internal Gear Retaining Ringor OutputBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseCarrier Internal Gear Retaining Ringor OutputDenali8 Speed Transmission61.7" Bed128.3" WheelbaseCarrier Internal Gear Retaining Ringor OutputCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseCarrier Internal Gear Retaining Ring	View on Amazon
GM GENUINE Fits: 3.6L V6	24263436	🇺🇸 US 🇨🇦 CA	Fits 1-3-5-6-78 Speed Transmission Fitment notes — GM GENUINE 24263436 Fits: 1-3-5-6-78 Speed Transmission128.3" WheelbaseClutch Accumulator Piston Retaining Ringor 1-3-5-6-7Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseClutch Accumulator Piston Retaining Ringor 1-3-5-6-7Denali8 Speed Transmission61.7" Bed128.3" WheelbaseClutch Accumulator Piston Retaining Ringor 1-3-5-6-7Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseClutch Accumulator Piston Retaining Ring	View on Amazon

This table covers the Retaining rings.

Shift Cable

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4, 3.6L V6	84133622	🇺🇸 US 🇨🇦 CA	Fits 8 speed transmission128.3" Wheelbase Fitment notes — GM GENUINE 84133622 Fits: 8 speed transmission128.3" Wheelbase8 speedSNAP-ON TYPEwith RPO Code AT8 or: Base Model or SLE Model8 speed transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbase8 speedSNAP-ON TYPEwith RPO Code AT8 or: Crew Cab PickupBase Model or SLE Model8 speed transmission74.0" bedFleetside140.5" Wheelbase8 speedSNAP-ON TYPEwith RPO Code AT8 or: Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speedSNAP-ON TYPEwith RPO Code AT8 or: Crew Cab PickupSLE Model74.0" bed140.5" WheelbaseTrans.Code 6L506 speedSNAP-ON TYPEwith RPO Code AT8 or: Base Model or SLE Model or SLT Model8 speed transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbase8 speedSNAP-ON TYPEwith RPO Code AT8 or: Denali8 speed transmission61.7" bed128.3" Wheelbase8 speedSNAP-ON TYPEwith RPO Code AT8 or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 speed transmission74.0" bedFleetside140.5" Wheelbase8 speedSNAP-ON TYPEwith RPO Code AT8 or: Base Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speedSNAP-ON TYPEwith RPO Code AT8 or: Crew Cab PickupDenali or SLE Model or SLT Model74.0" bed140.5" WheelbaseTrans.Code 6L506 speedSNAP-ON TYPEwith RPO Code AT8 or: Denali61.7" bed128.3" WheelbaseTrans.Code 6L506 speedSNAP-ON TYPEwith RPO Code AT8 or: SLE Model74.0" bed128.3" WheelbaseTrans.Code 6L506 speedSNAP-ON TYPEwith RPO Code AT8 or: SLE Model or SLT Model61.7" bed128	View on Amazon

This table covers the Shift cables. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early.

Shift Cable Bracket

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4, 3.6L V6	23168839	🇺🇸 US 🇨🇦 CA	Fits Trans. code 8L458 speedor Trans. code 6L50 Fitment notes — GM GENUINE 23168839 Fits: Trans. code 8L458 speedor Trans. code 6L506 speed Fits: Crew Cab PickupDenali or SLE Model or SLT Model74.0" Bed140.5" WheelbaseTrans.Code 6L506 Speedor Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbas or: Base Model or Denali or SLE Model or SLT ModelTrans.Code 6L506 Speed	View on Amazon

This table covers the brackets that mount the Shift Cable. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners.

Shift Improvement Kit

Brand	Part Number	Markets	Notes	Buy
SONNAX Fits: 2.5L L4, 3.6L V6	6L456L90ZIP	🇺🇸 US 🇨🇦 CA	Zip Kit® Fitment notes — SONNAX 6L456L90ZIP Zip Kit® Trans. code 6L50	View on Amazon

This table covers the Shift Improvement kits.

Shift Lever Knob

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4, 3.6L V6	84979813	🇺🇸 US 🇨🇦 CA	Cocoa Fitment notes — GM GENUINE 84979813 Cocoa Interior Trim Color (4DP) Base Model or Denali or SLE Model or SLT ModelInterior Trim Color (4DP)	View on Amazon
GM GENUINE Fits: 2.5L L4, 3.6L V6	84979814	🇺🇸 US 🇨🇦 CA	Black Fitment notes — GM GENUINE 84979814 Black Fits: 8 speed transmission128.3" Wheelbase8 speedInterior Trim Color (4AA),Interior Trim Color (4EE),Interior Trim Color (4GB) or: Base Model or SLE Model8 speed transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbase8 speedInterior Trim Color (4AA),Interior Trim Color (4EE),Interior Trim Color (4GB) or: Crew Cab PickupBase Model or SLE Model8 speed transmission74.0" bedFleetside140.5" Wheelbase8 speedInterior Trim Color (4AA),Interior Trim Color (4EE),Interior Trim Color (4GB) or: Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speedInterior Trim Color (4AA),Interior Trim Color (4EE),Interior Trim Color (4GB) or: Crew Cab PickupSLE Model74.0" bed140.5" WheelbaseTrans.Code 6L506 speedInterior Trim Color (4AA),Interior Trim Color (4EE),Interior Trim Color (4GB) or: Base Model or SLE Model or SLT Model8 speed transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbase8 speedInterior Trim Color (4AA),Interior Trim Color (4EE),Interior Trim Color (4GB) or: Denali8 speed transmission61.7" bed128.3" Wheelbase8 speedInterior Trim Color (4AA),Interior Trim Color (4EE),Interior Trim Color (4GB) or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 speed transmission74.0" bedFleetside140.5" Wheelbase8 speedInterior Trim Color (4AA),Interior Trim Color (4EE),Interior Trim Color (4GB) or: Base Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speedInterior Trim Color (4AA),Interior Trim Color (4EE),Interior Trim Color (4GB) or: Crew Cab PickupDenali or SLE Model or SLT Model74.0" bed140.5" WheelbaseTrans.Code 6L506 speedInterior Trim C	View on Amazon
GM GENUINE Fits: 2.5L L4, 3.6L V6	84979816	🇺🇸 US 🇨🇦 CA	Black Fitment notes — GM GENUINE 84979816 Black Fits: 8 speed transmission128.3" Wheelbase8 speedInterior Trim Color (4D7) or: Base Model or SLE Model8 speed transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbase8 speedInterior Trim Color (4D7) or: Crew Cab PickupBase Model or SLE Model8 speed transmission74.0" bedFleetside140.5" Wheelbase8 speedInterior Trim Color (4D7) or: Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speedInterior Trim Color (4D7) or: Crew Cab PickupSLE Model74.0" bed140.5" WheelbaseTrans.Code 6L506 speedInterior Trim Color (4D7) or: Base Model or SLE Model or SLT Model8 speed transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbase8 speedInterior Trim Color (4D7) or: Denali8 speed transmission61.7" bed128.3" Wheelbase8 speedInterior Trim Color (4D7) or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 speed transmission74.0" bedFleetside140.5" Wheelbase8 speedInterior Trim Color (4D7) or: Base Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speedInterior Trim Color (4D7) or: Crew Cab PickupDenali or SLE Model or SLT Model74.0" bed140.5" WheelbaseTrans.Code 6L506 speedInterior Trim Color (4D7) or: Denali61.7" bed128.3" WheelbaseTrans.Code 6L506 speedInterior Trim Color (4D7) or: SLE Model74.0" bed128.3" WheelbaseTrans.Code 6L506 speedInterior Trim Color (4D7) or: SLE Model or SLT Model61.7" bed128.3" WheelbaseTrans.Cod	View on Amazon

This table covers the knobs on the shift lever.

Shift Shaft Seal

Brand	Part Number	Markets	Notes	Buy
ACDELCO Fits: 2.5L L4, 3.6L V6	8792S	🇺🇸 US 🇨🇦 CA	Gold Fitment notes — ACDELCO 8792S Gold 8 speed trans.	View on Amazon
SCHAEFFLER Fits: 2.5L L4, 3.6L V6	SS2114	🇺🇸 US 🇨🇦 CA	8 speed trans.4.75 mm Width Fitment notes — SCHAEFFLER SS2114 8 speed trans.4.75 mm WidthNitrile12.7 mm Shaft Diameter	View on Amazon
TIMKEN Fits: 2.5L L4, 3.6L V6	710545	🇺🇸 US 🇨🇦 CA		View on Amazon

This table covers the seals at the Shift Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Snap Ring

Brand	Part Number	Markets	Notes	Buy
ACDELCO Fits: 2.5L L4	24238920	🇺🇸 US 🇨🇦 CA	GM Original EquipmentLength (In): 3.4 In Fitment notes — ACDELCO 24238920 GM Original EquipmentLength (In): 3.4 In Base Model or SLE Model61.7" Bed or 74.0" BedFleetside128.3" WheelbaseTrans. code 6L506 Speed Trans.	View on Amazon
GM GENUINE Fits: 2.5L L4, 3.6L V6	12547606	🇺🇸 US 🇨🇦 CA	Transfer Case Input Shaft Bearing Snap Ring Fitment notes — GM GENUINE 12547606 Transfer Case Input Shaft Bearing Snap Ring Inner4WDBase Model or SLE Model74.0" BedFleetside128.3" WheelbaseTrans.Code 6L50to Hub1.5 Fits: Inner4WDBase Model8 Speed Transmission74.0" BedFleetside128.3" Wheelbaseto Hub1.5 or: Inner4WDCrew Cab PickupDenali or SLE Model or SLT Model8 Speed Transmission74.0" Bed140.5" Wheelbaseto Hub1.5 or: Inner4WDDenali8 Speed Transmission61.7" Bed128.3" Wheelbaseto Hub1.5 or: Inner4WDSLE Model or SLT Model8 Speed Transmission128.3" Wheelbaseto Hub1.5	View on Amazon
GM GENUINE Fits: 2.5L L4, 3.6L V6	19133024	🇺🇸 US 🇨🇦 CA	Transfer Case Input Shaft Bearing Snap Ring Fitment notes — GM GENUINE 19133024 Transfer Case Input Shaft Bearing Snap Ring 4WDBase Model or SLE Model74.0" BedFleetside128.3" WheelbaseTrans.Code 6L506 Speed Fits: 4WDBase Model8 Speed Transmission74.0" BedFleetside128.3" Wheelbas or: 4WDCrew Cab PickupDenali or SLE Model or SLT Model8 Speed Transmission74.0" Bed140.5" Wheelbas or: 4WDDenali8 Speed Transmission61.7" Bed128.3" Wheelbas or: 4WDSLE Model or SLT Model8 Speed Transmission128.3" Wheelbase8 Speed	View on Amazon
GM GENUINE Fits: 2.5L L4, 3.6L V6	19133007	🇺🇸 US 🇨🇦 CA	Transfer Case Input Shaft Bearing Snap RingMaterial Thickness (mm): 2.49 mm Fitment notes — GM GENUINE 19133007 Transfer Case Input Shaft Bearing Snap RingMaterial Thickness (mm): 2.49 mm Fits: OuterSL Model or: Outer128.3" Wheelbase or: OuterCrew Cab PickupBase Model or SLE Model74.0" bedFleetside140.5" Wheelbase or: OuterBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" Wheelbase Fits: Outer128.3" Wheelbase or: OuterDenali61.7" bed128.3" Wheelbase or: OuterBase Model or SLE Model or SLT Model61.7" bed or 74.0" bedFleetside128.3" Wheelbase or: OuterCrew Cab PickupBase Model or Denali or SLE Model or SLT Model74.0" bedFleetside140.5" Wheelbase	View on Amazon

This table covers the Snap rings.

Sprag

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24238921	🇺🇸 US 🇨🇦 CA	LowBase Model or SLE Model Fitment notes — GM GENUINE 24238921 LowBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon

This table covers the one-way sprag clutches in the transmission.

Sun Gear

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24225289	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24225289 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedInput	View on Amazon
GM GENUINE Fits: 2.5L L4	24225290	🇺🇸 US 🇨🇦 CA	FrontBase Model or SLE Model Fitment notes — GM GENUINE 24225290 FrontBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedOutput Carrier	View on Amazon
GM GENUINE Fits: 2.5L L4	24235807	🇺🇸 US 🇨🇦 CA	RearBase Model or SLE Model Fitment notes — GM GENUINE 24235807 RearBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 SpeedOutput Carrier	View on Amazon
GM GENUINE Fits: 3.6L V6	24252073	🇺🇸 US 🇨🇦 CA	Fits Output8 Speed Transmission Fitment notes — GM GENUINE 24252073 Fits: Output8 Speed Transmission128.3" Wheelbas or: OutputBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: OutputDenali8 Speed Transmission61.7" Bed128.3" Wheelbas or: OutputCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon
GM GENUINE Fits: 3.6L V6	24291059	🇺🇸 US 🇨🇦 CA	Fits 8 Speed Transmission128.3" Wheelbase Fitment notes — GM GENUINE 24291059 Fits: 8 Speed Transmission128.3" WheelbaseReactionor Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseReactionor Denali8 Speed Transmission61.7" Bed128.3" WheelbaseReactionor Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseReaction	View on Amazon
GM GENUINE Fits: 3.6L V6	24291061	🇺🇸 US 🇨🇦 CA	Fits 8 Speed Transmission128.3" Wheelbase Fitment notes — GM GENUINE 24291061 Fits: 8 Speed Transmission128.3" WheelbaseInputor Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseInputor Denali8 Speed Transmission61.7" Bed128.3" WheelbaseInputor Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseInput	View on Amazon
GM GENUINE Fits: 3.6L V6	24291063	🇺🇸 US 🇨🇦 CA	Fits Direct Overdrive8 Speed Transmission Fitment notes — GM GENUINE 24291063 Fits: Direct Overdrive8 Speed Transmission128.3" Wheelbas or: Direct OverdriveBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Direct OverdriveDenali8 Speed Transmission61.7" Bed128.3" Wheelbas or: Direct OverdriveCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon

This table covers the Sun gears.

Sun Gear Bearing

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24224405	🇺🇸 US 🇨🇦 CA	InputBase Model or SLE Model Fitment notes — GM GENUINE 24224405 InputBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed89.9MM	View on Amazon
GM GENUINE Fits: 2.5L L4	24225483	🇺🇸 US 🇨🇦 CA	Front OuterBase Model or SLE Model Fitment notes — GM GENUINE 24225483 Front OuterBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L50Output Carrier Sun Gear Thrust Bearing	View on Amazon
GM GENUINE Fits: 2.5L L4	24225484	🇺🇸 US 🇨🇦 CA	Rear OuterBase Model or SLE Model Fitment notes — GM GENUINE 24225484 Rear OuterBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L50Output Carrier Sun Gear Thrust Bearing	View on Amazon
GM GENUINE Fits: 3.6L V6	24264380	🇺🇸 US 🇨🇦 CA	Fits Input8 Speed Transmission Fitment notes — GM GENUINE 24264380 Fits: Input8 Speed Transmission128.3" Wheelbase8 Speedor InputBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: InputDenali8 Speed Transmission61.7" Bed128.3" Wheelbas or: InputCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon
GM GENUINE Fits: 3.6L V6	24297473	🇺🇸 US 🇨🇦 CA	Fits Output8 Speed Transmission Fitment notes — GM GENUINE 24297473 Fits: Output8 Speed Transmission128.3" Wheelbas or: OutputBase Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: OutputDenali8 Speed Transmission61.7" Bed128.3" Wheelbas or: OutputCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon

This table covers the Sun Gear bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.

Torque Converter

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24288046	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24288046 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon
GM GENUINE Fits: 3.6L V6	24298484	🇺🇸 US 🇨🇦 CA	Housing Material: Steel Fitment notes — GM GENUINE 24298484 Housing Material: Steel Fits: 8 Speed Transmission128.3" Wheelbas or: Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon
TC REMANUFACTURING Fits: 3.6L V6	B242928	🇺🇸 US	Trans. code 6L50Converter Codes:2425, 2928 Fitment notes — TC REMANUFACTURING B242928 Trans. code 6L50Converter Codes:2425, 29282928 Converter Code	View on Amazon

This table covers the Torque converters. Typical signs include a sulfur smell, rattling substrate, or an efficiency code. Confirm CARB vs Federal certification in the notes before ordering.

Torque Converter / Bell Housing Components

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4, 3.6L V6	24205900	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24205900 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed Automatic trans.62MM with 3 TangsLarge CVRBell Housing Inspection Cover Fits: 8 Speed Transmission128.3" Wheelbase62MM with 3 TangsLarge CVRBell Housing Inspection Coveror Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbase62MM with 3 TangsLarge CVRBell Housing Inspection Coveror Denali8 Speed Transmission61.7" Bed128.3" Wheelbase62MM with 3 TangsLarge CVRBell Housing Inspection Coveror Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase62MM with 3 TangsLarge CVRBell Housing Inspection Cover	View on Amazon
GM GENUINE Fits: 2.5L L4	11610165	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 11610165 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed Automatic trans.M10X1.5X50M6X1X20Bell Housing Stud	View on Amazon

This table covers the hardware around the torque converter and bellhousing.

Torque Converter Bolt

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4, 3.6L V6	11588468	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 11588468 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speedSINGLE USEM10X1.5X15,10.9 Base Model or Denali or SLE Model or SLT ModelSINGLE USEM10X1.5X15,10.9	View on Amazon

This table covers the Torque Converter bolts.

Torque Converter Housing

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24266467	🇺🇸 US 🇨🇦 CA	Bell HousingMounting Hardware Included: No Fitment notes — GM GENUINE 24266467 Bell HousingMounting Hardware Included: No Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon

This table covers the Torque Converter housings.

Torque Converter Shaft Seal

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24237531	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24237531 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon
GM GENUINE Fits: 3.6L V6	24259216	🇺🇸 US 🇨🇦 CA	Fits 8 Speed Transmission128.3" Wheelbase Fitment notes — GM GENUINE 24259216 Fits: 8 Speed Transmission128.3" WheelbaseSingle UseRear Sealor Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" WheelbaseSingle UseRear Sealor Denali8 Speed Transmission61.7" Bed128.3" WheelbaseSingle UseRear Sealor Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseSingle UseRear Seal	View on Amazon
GM GENUINE Fits: 3.6L V6	24266709	🇺🇸 US 🇨🇦 CA	Fits Front8 speed transmission Fitment notes — GM GENUINE 24266709 Fits: Front8 speed transmission128.3" Wheelbase8 speedSINGLE USE or: FrontBase Model or SLE Model or SLT Model8 speed transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbase8 speedSINGLE USE or: FrontDenali8 speed transmission61.7" bed128.3" Wheelbase8 speedSINGLE USE or: FrontCrew Cab PickupBase Model or Denali or SLE Model or SLT Model8 speed transmission74.0" bedFleetside140.5" Wheelbase8 speedSINGLE USE	View on Amazon
PA CARGO Fits: 2.5L L4, 3.6L V6	138151	🇺🇸 US 🇨🇦 CA	Housing SealTourque Converter Seal	View on Amazon
TIMKEN Fits: 2.5L L4, 3.6L V6	SL260009	🇺🇸 US 🇨🇦 CA	Trans. code 6L50	View on Amazon

This table covers the seals at the Torque Converter Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Transmission Fluid

ATF 64

Brand	Part Number	Markets	Notes	Buy
PENTOSIN Fits: 2.5L L4, 3.6L V6	1058113	🇺🇸 US 🇨🇦 CA	1 LiterATF64 or ATF44 Fitment notes — PENTOSIN 1058113 1 LiterATF64 or ATF44ATF64 with Transmission Stamped MAM, NTJ, QNZ, QCE, SCUATF64, Clutch FluidATF64, with Trans. Stamped MANATF64, with Transmission Stamped MAM, MAN, NTJ, PDWATF64, without 10-Speed Trans.	View on Amazon
PENTOSIN Fits: 2.5L L4, 3.6L V6	1058215	🇺🇸 US 🇨🇦 CA	5 LitersATF64 or ATF44 Fitment notes — PENTOSIN 1058215 5 LitersATF64 or ATF44ATF64, Clutch FluidATF64, with Trans. Stamped MANATF64, with Transmission Stamped MAM, MAN, NTJ, PDWATF64, with Transmission Stamped MAM, NTJ, QNZ, QCE, SCUATF64, without 10-Speed Trans.	View on Amazon

Dexron

Brand	Part Number	Markets	Notes	Buy
ACDELCO Popular Fits: 2.5L L4, 3.6L V6	109394	🇺🇸 US	Dexron VI1 Quart Fitment notes — ACDELCO 109394 Dexron VI1 Quart Trans. code 6L506 speed	View on Amazon
ACDELCO Popular Fits: 2.5L L4, 3.6L V6	109243	🇺🇸 US	Container Type: Plastic Container Fitment notes — ACDELCO 109243 Container Type: Plastic Container Trans. code 6L506 speed	View on Amazon
MOBIL Popular Fits: 3.6L V6	124715	🇺🇸 US 🇨🇦 CA	Synthetic LV ATF HP1 Quart Fitment notes — MOBIL 124715 Synthetic LV ATF HP1 Quart Fits: 8 speed trans.Trans Only.or 8 speed trans.Trans with Cooler.	View on Amazon
MOBIL Fits: 2.5L L4, 3.6L V6	126411	🇺🇸 US 🇨🇦 CA	Dexron-VI ATF Fitment notes — MOBIL 126411 Dexron-VI ATF Trans. code 6L50	View on Amazon
VAICO Fits: 2.5L L4, 3.6L V6	V600016	🇺🇸 US 🇨🇦 CA	Description: ATF II, ATF Dexron II D 12x 1 L	View on Amazon
VALVOLINE Fits: 2.5L L4, 3.6L V6	822405	🇺🇸 US 🇨🇦 CA	Dexron VI/Mercon LV ATF1 Quart Fitment notes — VALVOLINE 822405 Dexron VI/Mercon LV ATF1 Quart Trans. code 6L50Product Not Applicable For California	View on Amazon
VALVOLINE Fits: 2.5L L4, 3.6L V6	883572	🇺🇸 US 🇨🇦 CA	Dexron VI/Mercon LV ATF1 Gallon Fitment notes — VALVOLINE 883572 Dexron VI/Mercon LV ATF1 Gallon Trans. code 6L50Product Not Applicable For California	View on Amazon

Multi-Vehicle

Brand	Part Number	Markets	Notes	Buy
MOBIL Popular Fits: 2.5L L4, 3.6L V6	126505	🇺🇸 US 🇨🇦 CA	Multi-Vehicle ATF Fitment notes — MOBIL 126505 Multi-Vehicle ATF Trans. code 6L50	View on Amazon
VALVOLINE Popular Fits: 2.5L L4, 3.6L V6	VV3246	🇺🇸 US 🇨🇦 CA	Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Quart Fitment notes — VALVOLINE VV3246 Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 QuartDEXRON VI, MERCON LV, DEX/MERC Trans. code 6L50Product Not Applicable For California	View on Amazon
LIQUI MOLY Fits: 2.5L L4, 3.6L V6	20032	🇺🇸 US 🇨🇦 CA	Top Tec ATF 18001 Liter Fitment notes — LIQUI MOLY 20032 Top Tec ATF 18001 Liter Trans. code 6L50	View on Amazon
LIQUI MOLY Fits: 2.5L L4, 3.6L V6	22036	🇺🇸 US 🇨🇦 CA	Top Tec ATF 18005 Liter Fitment notes — LIQUI MOLY 22036 Top Tec ATF 18005 Liter Trans. code 6L50	View on Amazon
LIQUI MOLY Fits: 2.5L L4, 3.6L V6	20034	🇺🇸 US 🇨🇦 CA	Top TEC ATF 180020 Liter Fitment notes — LIQUI MOLY 20034 Top TEC ATF 180020 Liter Trans. code 6L50	View on Amazon
LUBEGARD Fits: 2.5L L4, 3.6L V6	69032	🇺🇸 US 🇨🇦 CA	1 QuartComplete Full Synthetic ATF Fluid	View on Amazon
LUCAS OIL Fits: 2.5L L4, 3.6L V6	11255	🇺🇸 US 🇨🇦 CA	LOW VISCOSITY SYNTHETIC MULTI-VEHICLE AUTOMATIC TRANSMISSION FLUID1 qt Fitment notes — LUCAS OIL 11255 LOW VISCOSITY SYNTHETIC MULTI-VEHICLE AUTOMATIC TRANSMISSION FLUID1 qt Trans. code 6L506 speed	View on Amazon
LUCAS OIL Fits: 2.5L L4, 3.6L V6	18037	🇺🇸 US 🇨🇦 CA	Low Viscosity Synthetic Multi-Vehicle Automatic Transmission Fluid6 Gallon Fitment notes — LUCAS OIL 18037 Low Viscosity Synthetic Multi-Vehicle Automatic Transmission Fluid6 Gallon Trans. code 6L506 speed	View on Amazon
VALVOLINE Fits: 2.5L L4, 3.6L V6	773775	🇺🇸 US 🇨🇦 CA	Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Gallon Fitment notes — VALVOLINE 773775 Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Gallon Trans. code 6L50Product Not Applicable For California	View on Amazon

Brand	Part Number	Markets	Notes	Buy
VALVOLINE Fits: 2.5L L4, 3.6L V6	899179	🇺🇸 US 🇨🇦 CA	Extended Protection Full Synthetic ATF1 Quart Fitment notes — VALVOLINE 899179 Extended Protection Full Synthetic ATF1 Quart Trans. code 6L50Product Not Applicable For California Product Not Applicable For California	View on Amazon

This table covers the automatic-transmission fluids specified for this gearbox. Typical signs include harsh or delayed shifts, fluid that smells burnt, or a shudder at light throttle. Use exactly the specification in the notes. Automatic transmissions are unforgiving of the wrong fluid.

Transmission Fluid Additive

Brand	Part Number	Markets	Notes	Buy
LUBEGARD Popular Fits: 2.5L L4, 3.6L V6	19610	🇺🇸 US 🇨🇦 CA	Instant Shudder Fixx2 oz Fitment notes — LUBEGARD 19610 Instant Shudder Fixx2 oz Automatic trans.	View on Amazon
LUBEGARD Popular Fits: 2.5L L4, 3.6L V6	60902	🇺🇸 US 🇨🇦 CA	Automatic Transmission Fluid Protectant10 oz Fitment notes — LUBEGARD 60902 Automatic Transmission Fluid Protectant10 oz Automatic trans.	View on Amazon
LUBEGARD Fits: 2.5L L4, 3.6L V6	19689	🇺🇸 US 🇨🇦 CA	Instant Shudder Fixx2 oz Fitment notes — LUBEGARD 19689 Instant Shudder Fixx2 oz Automatic trans.	View on Amazon
LUBEGARD Fits: 2.5L L4, 3.6L V6	63010	🇺🇸 US 🇨🇦 CA	Platinum Universal ATF Protectant10 oz Fitment notes — LUBEGARD 63010 Platinum Universal ATF Protectant10 oz Automatic trans.Use with OEM Recommended ATF or as OEM fluid Alternative.	View on Amazon
LUBEGARD Fits: 2.5L L4, 3.6L V6	63016	🇺🇸 US 🇨🇦 CA	Platinum Universal ATF Protectant15 oz Fitment notes — LUBEGARD 63016 Platinum Universal ATF Protectant15 oz Automatic trans.Use with OEM Recommended ATF or as OEM fluid Alternative.	View on Amazon
LUBEGARD Fits: 2.5L L4, 3.6L V6	63032	🇺🇸 US 🇨🇦 CA	Platinum Universal ATF Protectant32 oz Fitment notes — LUBEGARD 63032 Platinum Universal ATF Protectant32 oz Automatic trans.Use with OEM Recommended ATF or as OEM fluid Alternative.	View on Amazon

This table covers the conditioners and additives used with this transmission fluid.

Transmission Fluid Baffle

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 3.6L V6	24051507	🇺🇸 US 🇨🇦 CA	Fits 8 Speed Transmission128.3" Wheelbase Fitment notes — GM GENUINE 24051507 Fits: 8 Speed Transmission128.3" Wheelbasewith Bolts and Retainersor Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbasewith Bolts and Retainersor Denali8 Speed Transmission61.7" Bed128.3" Wheelbasewith Bolts and Retainersor Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbasewith Bolts and Retainers	View on Amazon

This table covers the Transmission Fluid baffles.

Transmission Mount

Economy

Brand	Part Number	Markets	Notes	Buy
SKP Fits: 3.6L V6	SKM3311	🇺🇸 US 🇨🇦 CA	RearRWD	View on Amazon

Standard Replacement

Brand	Part Number	Markets	Notes	Buy
ANCHOR Popular Fits: 3.6L V6	2891	🇺🇸 US 🇨🇦 CA	Rear4WD Fitment notes — ANCHOR 2891 Rear4WDAutomatic trans.with Interlock	View on Amazon
WESTAR Popular Fits: 3.6L V6	EM2638	🇺🇸 US 🇨🇦 CA	4WDAutomatic trans.	View on Amazon
ANCHOR Fits: 3.6L V6	3311	🇺🇸 US 🇨🇦 CA	RearRWD Fitment notes — ANCHOR 3311 RearRWDAutomatic trans.	View on Amazon
DEA / MARMON RIDE CONTROL Fits: 3.6L V6	A5882	🇺🇸 US 🇨🇦 CA	4WD	View on Amazon
GM GENUINE Fits: 3.6L V6	23386651	🇺🇸 US 🇨🇦 CA	RWD	View on Amazon
GM GENUINE Fits: 3.6L V6	84123837	🇺🇸 US 🇨🇦 CA	Fits 4WDBase Model or Denali or SLE Model or SLT Model Fitment notes — GM GENUINE 84123837 Fits: 4WDBase Model or Denali or SLE Model or SLT Model8 speed Automatic trans.or 4WDBase Model or Denali or SLE Model or SLT ModelTrans.Code 6L506 Speed Automatic Trans.	View on Amazon
PIONEER Fits: 3.6L V6	623311	🇺🇸 US 🇨🇦 CA	Fits RearRWD Fitment notes — PIONEER 623311 Fits: RearRWDCrew Cab PickupAutomatic trans.Base Model6 speed trans.or RearRWDCrew Cab PickupBase Model8 speed trans.or RearRWDCrew Cab PickupSLE Model6 speed trans.or RearRWDCrew Cab PickupSLE Model8 speed trans.or RearRWDCrew Cab PickupSLT Model6 speed trans.or RearRWDCrew Cab PickupSLT Model8 speed trans.or RearRWDDenali6 speed trans.or RearRWDDenali8 speed trans.or RearRWDExtended Cab PickupAutomatic trans.Base Model6 speed trans.or RearRWDExtended Cab PickupBase Model8 speed trans.or RearRWDExtended Cab PickupSLE Model6 speed trans.or RearRWDExtended Cab PickupSLE Model8 speed trans.or RearRWDExtended Cab PickupSLT Model6 speed trans.or RearRWDExtended Cab PickupSLT Model8 speed trans.	View on Amazon
WESTAR Fits: 3.6L V6	EM4196	🇺🇸 US 🇨🇦 CA	RWDAutomatic trans.	View on Amazon

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Popular Fits: 2.5L L4	84123837	🇺🇸 US 🇨🇦 CA	Fits 4WD8 speed Automatic trans.or 4WD Fitment notes — GM GENUINE 84123837 Fits: 4WD8 speed Automatic trans.or 4WDTrans. code 6L506 speed Automatic trans.	View on Amazon
ANCHOR Fits: 2.5L L4	3314	🇺🇸 US 🇨🇦 CA	RearAutomatic trans.	View on Amazon
DEA / MARMON RIDE CONTROL Fits: 2.5L L4	A5779	🇺🇸 US 🇨🇦 CA		View on Amazon
GM GENUINE Fits: 2.5L L4	23386652	🇺🇸 US 🇨🇦 CA	RWDTrans. code 6L50 Fitment notes — GM GENUINE 23386652 RWDTrans. code 6L506 speed Automatic trans.	View on Amazon
WESTAR Fits: 2.5L L4	EM4197	🇺🇸 US 🇨🇦 CA	Automatic trans.	View on Amazon

This table covers the mounts that hold the transmission to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes.

Transmission Service Kit

Brand	Part Number	Markets	Notes	Buy
VAICO Fits: 2.5L L4	V510650XXL	🇺🇸 US 🇨🇦 CA	Filter with Oil Pan Gasket, Transmission Oil (Dexron VI 13 L), Installation HardwareIncludes: included: Hydraulic Filter, Automatic Transmission Oil Pan Gasket, Automatic Transmission Oil Fitment notes — VAICO V510650XXL Filter with Oil Pan Gasket, Transmission Oil (Dexron VI 13 L), Installation HardwareIncludes: included: Hydraulic Filter, Automatic Transmission Oil Pan Gasket, Automatic Transmission Oil Automatic trans.6 speed trans.	View on Amazon

This table covers the Transmission service kits.

Turbine Shaft Fluid Seal Ring

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24225511	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 24225511 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speed	View on Amazon

This table covers the Turbine Shaft Fluid Seal rings.

Turbine Shaft Seal

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4, 3.6L V6	8662686	🇺🇸 US 🇨🇦 CA	Color: OrangeSealing Material: Rubber Fitment notes — GM GENUINE 8662686 Color: OrangeSealing Material: Rubber Fits: Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speedor 8 Speed Transmission128.3" Wheelbas or: Base Model or SLE Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Crew Cab PickupBase Model or SLE Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbas or: Crew Cab PickupSLE Model74.0" Bed140.5" WheelbaseTrans.Code 6L506 Speed Fits: 8 Speed Transmission128.3" Wheelbas or: Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbas or: Denali8 Speed Transmission61.7" Bed128.3" Wheelbas or: Base Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speedor Crew Cab PickupDenali or SLE Model or SLT Model74.0" Bed140.5" WheelbaseTrans.Code 6L506 Speedor Denali61.7" Bed128.3" WheelbaseTrans.Code 6L506 Speedor SLE Model or SLT Model61.7" Bed128.3" WheelbaseTrans.Code 6L50 or: SLE Model74.0" Bed128.3" WheelbaseTrans.Code 6L506 Speedor Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" Wheelbase	View on Amazon

This table covers the seals at the Turbine Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.

Valve Body

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	24251431	🇺🇸 US 🇨🇦 CA	LowerBase Model or SLE Model Fitment notes — GM GENUINE 24251431 LowerBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L50without Manual ValveIndia(CK3),Indonesia(CK9),Peru(CL5),Uruguay (CL7),Egypt(CR8),Brazil (CV2),Chile(CV6),Argentina(CX1),Ecuador (CX3),China (CZ2),United Arabic Emirates(D5P),Automatic Transmission Provisions (MX0)	View on Amazon
GM GENUINE Fits: 2.5L L4	96043298	🇺🇸 US 🇨🇦 CA	UpperBase Model or SLE Model Fitment notes — GM GENUINE 96043298 UpperBase Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed	View on Amazon
GM GENUINE Fits: 3.6L V6	19433538	🇺🇸 US 🇨🇦 CA	Reman Fitment notes — GM GENUINE 19433538 Reman Base Model or Denali or SLE Model or SLT Model8 Speedwithout Solenoid Wiring Harn Assembly and/or A Pass Thru Wiring Harn Assemblyif Either or: Both Are REQ For Service DLR Must Order separatelyThis Part May be Wet with Residual Automatic Transmission Fluid From Supplier Testing Prior To ITS Shipment To GM ServiceExc. India(CK3),Indonesia(CK9),Peru(CL5),Uruguay (CL7),Egypt(CR8),Brazil (CV2),Chile(CV6),Argentina(CX1),Ecuador (CX3),China	View on Amazon
SONNAX Fits: 2.5L L4, 3.6L V6	GM6L50L	🇺🇸 US 🇨🇦 CA	Reman Fitment notes — SONNAX GM6L50L Reman Trans. code 6L50	View on Amazon

This table covers the valve bodies that route hydraulic pressure inside the transmission.

Valve Body Channel Plate

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 3.6L V6	24049447	🇺🇸 US 🇨🇦 CA	Base Model or Denali or SLE Model or SLT Model8 Speed	View on Amazon

This table covers the Valve Body Channel plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts.

Valve Body Check Ball

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4	96020431	🇺🇸 US 🇨🇦 CA	Base Model or SLE Model61.7" bed or 74.0" bed Fitment notes — GM GENUINE 96020431 Base Model or SLE Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 Speed Automatic Trans.SINGLE USEPLASTIC	View on Amazon
GM GENUINE Fits: 3.6L V6	24253810	🇺🇸 US 🇨🇦 CA	Fits Base Model or SLE Model or SLT Model8 speed transmission Fitment notes — GM GENUINE 24253810 Fits: Base Model or SLE Model or SLT Model8 speed transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbase8 Speed Automatic Trans.or Denali8 speed transmission61.7" bed128.3" Wheelbase8 Speed Automatic Trans.or Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 speed transmission74.0" bedFleetside140.5" Wheelbase8 Speed Automatic Trans.	View on Amazon

This table covers the check balls inside the transmission valve body.

Valve Body Separator Plate

Brand	Part Number	Markets	Notes	Buy
GM GENUINE Fits: 2.5L L4, 3.6L V6	24272467	🇺🇸 US 🇨🇦 CA	Trans. code 6L506 speed Fitment notes — GM GENUINE 24272467 Trans. code 6L506 speedINCLUDES Control Valve Body BALL CHK Fits: Base Model61.7" bed or 74.0" bedFleetside128.3" WheelbaseTrans.Code 6L506 speedINCLUDES Control Valve Body BALL CHK or: Crew Cab PickupDenali or SLE Model or SLT Model74.0" bed140.5" WheelbaseTrans.Code 6L506 speedINCLUDES Control Valve Body BALL CHK or: Denali61.7" bed128.3" WheelbaseTrans.Code 6L506 speedINCLUDES Control Valve Body BALL CHK or: SLE Model74.0" bed128.3" WheelbaseTrans.Code 6L506 speedINCLUDES Control Valve Body BALL CHK or: SLE Model or SLT Model61.7" bed128.3" WheelbaseTrans.Code 6L506 speedINCLUDES Control Valve Body BALL CHK	View on Amazon
GM GENUINE Fits: 3.6L V6	24288084	🇺🇸 US 🇨🇦 CA	Gasket or Seals Included: No Fitment notes — GM GENUINE 24288084 Gasket or Seals Included: No Fits: 8 speed transmission128.3" Wheelbase8 speedFrom 10/19/20172nd Designor Base Model or SLE Model or SLT Model8 speed transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbase8 speedFrom 10/19/20172nd Designor Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 speed transmission74.0" bedFleetside140.5" Wheelbase8 speedFrom 10/19/20172nd Designor Denali8 speed transmission61.7" bed128.3" Wheelbase8 speedFrom 10/19/20172nd Design	View on Amazon
GM GENUINE Fits: 3.6L V6	24291781	🇺🇸 US 🇨🇦 CA	KitIncludes Channel Plate Spacer Assembly and Instructions Fitment notes — GM GENUINE 24291781 KitIncludes Channel Plate Spacer Assembly and Instructions Fits: 8 Speed Transmission128.3" WheelbaseTo 10/19/20171st Designor Base Model or SLE Model or SLT Model8 Speed Transmission61.7" bed or 74.0" bedFleetside128.3" Wheelbase8 SpeedTo 10/19/20171st Designor Crew Cab PickupBase Model or Denali or SLE Model or SLT Model8 Speed Transmission74.0" BedFleetside140.5" WheelbaseTo 10/19/20171st Designor Denali8 Speed Transmission61.7" Bed128.3" WheelbaseTo 10/19/20171st Design	View on Amazon
GM GENUINE Fits: 3.6L V6	24053668	🇺🇸 US 🇨🇦 CA	Gasket or Seals Included: No Fitment notes — GM GENUINE 24053668 Gasket or Seals Included: No 8 speed	View on Amazon

This table covers the Valve Body Separator plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts.