2007 Isuzu Ascender Drivetrain Parts

Engine:
4.2L L6

405 Drivetrain parts are listed for the 2007 Isuzu Ascender, in 50 part types, covering the 4.2L L6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.

The drivetrain system on the 2007 Isuzu Ascender moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are Differential Rebuild Kit (48 parts), Differential Pinion Bearing / Race (47 parts) and Differential Ring and Pinion (45 parts). The other 47 part types cover the remaining 265 parts.

4WD Actuator

Brand Part Number Markets Notes Buy
GM GENUINE Popular 12471631
🇺🇸 US 🇨🇦 CA
4WDActive 2 Speed Push Button Control Transfer Case (NP8)
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ATP 111010
🇺🇸 US
4WD
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DANA 10033321
🇺🇸 US
Spicer
Fitment notes — DANA 10033321
Spicer
4WD
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DORMAN 600103
🇺🇸 US
Does Not Include Harness
Fitment notes — DORMAN 600103
Does Not Include Harness
4WD
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SKP SK600103
🇺🇸 US
4WD
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This table covers the actuators that engage four-wheel drive at the transfer case or axle. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same.

4WD Actuator Fork

Brand Part Number Markets Notes Buy
DORMAN 600114
🇺🇸 US
OE FIX
Fitment notes — DORMAN 600114
OE FIX
with RPO Code NP8 (2 Speed, Push Button Shift, Transfer Case)Standard Design
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This table covers the forks a 4WD actuator moves.

4WD Disconnect

Brand Part Number Markets Notes Buy
DORMAN Popular 600115XD
🇺🇸 US
OE FIX
Fitment notes — DORMAN 600115XD
OE FIX
4WDwith Forged Shifter Fork
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ATP 111001
🇺🇸 US
Front Axle Disconnectwithout Actuator
Fitment notes — ATP 111001
Front Axle Disconnectwithout Actuator
4WDAlso Called Intermediate Shaft Bearing Housing Disconnect Assembly, Bearing Front Wheel Intermediate Shaft, Splined Disconnect, or Gear POD
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ATP 111009
🇺🇸 US
Front Axle Disconnect with Actuator
Fitment notes — ATP 111009
Front Axle Disconnect with Actuator
4WDAlso Called Intermediate Shaft Bearing Housing Disconnect Assembly, Bearing Front Wheel Intermediate Shaft, Splined Disconnect, or Gear PODwith Actuator
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GM GENUINE 12471627
🇺🇸 US 🇨🇦 CA
4WDINNER
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GM GENUINE 12471628
🇺🇸 US 🇨🇦 CA
4WDOUTER
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SKP SK600115
🇺🇸 US
4WD
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ULTRA-POWER 600115
🇺🇸 US 🇨🇦 CA
with Cast Shifter Fork4WD/AWD
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This table covers the disconnects that freewheel a front axle in two-wheel drive.

Axle / Differential Assembly

Brand Part Number Markets Notes Buy
GM GENUINE Popular 84554713
🇺🇸 US 🇨🇦 CA
Rear Axle8.50/8.625 Ring Gear
Fitment notes — GM GENUINE 84554713
Rear Axle8.50/8.625 Ring Gear3.73 Rear Axle Ratio (GT4),4.10 Rear Axle Ratio (GT5),3.42 Rear Axle Ratio (GU6)Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)
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ATP 111518
🇺🇸 US
Axle Ratio: 3.73 Ratio
Fitment notes — ATP 111518
Axle Ratio: 3.73 Ratio
Front4WD
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ATP 111517
🇺🇸 US
Axle Ratio: 3.42 Ratio
Fitment notes — ATP 111517
Axle Ratio: 3.42 Ratio
Front4WD
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ATP 111519
🇺🇸 US
Axle Ratio: 4.10 Ratio
Fitment notes — ATP 111519
Axle Ratio: 4.10 Ratio
Front4WD
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GM GENUINE 12471523
🇺🇸 US 🇨🇦 CA
Rearwith RPO Code AA7,ZM7
Fitment notes — GM GENUINE 12471523
Rearwith RPO Code AA7,ZM74.10 Rear Axle Ratio (GT5),Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N77),Aluminum Wheel (N80),Aluminum Wheel (PFE)
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This table covers the Axle / Differential assemblies.

Axle Intermediate Shaft Bearing

Brand Part Number Markets Notes Buy
TIMKEN HK4012
🇺🇸 US
Needle Bearing1.8504 Housing Diameter
Fitment notes — TIMKEN HK4012
Needle Bearing1.8504 Housing Diameter
Front4WD
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This table covers the Axle Intermediate 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.

Axle Shaft

Economy

Brand Part Number Markets Notes Buy
RICHMOND 9225182
🇺🇸 US
Excel33.29" Overall Length
Fitment notes — RICHMOND 9225182
Excel33.29" Overall Length6 x 5 Lug Pattern28 SplineIncludes Bearing, Seal and Studs
Rear Leftfor GM 8" (10 Bolt)
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RICHMOND 9225183
🇺🇸 US
Excel31.42" Overall Length
Fitment notes — RICHMOND 9225183
Excel31.42" Overall Length6 x 5 Lug Pattern28 SplineIncludes Bearing, Seal and Studs
Rear Rightfor GM 8" (10 Bolt)
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Standard Replacement

Brand Part Number Markets Notes Buy
USA STANDARD GEAR ZAK630603
🇺🇸 US
Axle Shaft KitIncludes Wheel Bearing, Seal, Studs, Lug Nuts
Fitment notes — USA STANDARD GEAR ZAK630603
Axle Shaft KitIncludes Wheel Bearing, Seal, Studs, Lug Nuts28 Spline33-1/4" Length
Rear LeftGM 8.0" Rear6 Lug5 Passenger
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USA STANDARD GEAR ZAK630604
🇺🇸 US
Axle Shaft KitIncludes Wheel Bearing, Seal, Studs, Lug Nuts
Fitment notes — USA STANDARD GEAR ZAK630604
Axle Shaft KitIncludes Wheel Bearing, Seal, Studs, Lug Nuts28 Spline31-13/32" Length
Rear RightGM 8.0" Rear6 Lug5 Passenger
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This table covers the Axle shafts.

Axle Shaft Bearing

Economy

Brand Part Number Markets Notes Buy
WJB / INMOTION PARTS WRHK4012
🇺🇸 US
Front4WD
Fitment notes — WJB / INMOTION PARTS WRHK4012
Front4WDIndependent Front Suspensionwith AAM Axlewith 7.25 IN Ring Gear
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Standard Replacement

Brand Part Number Markets Notes Buy
GM GENUINE Popular 26053326
🇺🇸 US 🇨🇦 CA
Front Inner4WD
Fitment notes — GM GENUINE 26053326
Front Inner4WDwith RPO Code 3326BEARING ONLY
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GM GENUINE Popular RW2010
🇺🇸 US 🇨🇦 CA
Rear
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TIMKEN Popular 513067
🇺🇸 US
Rear
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ACDELCO RP513067
🇺🇸 US 🇨🇦 CA
Gold / ProfessionalRepair Bearing
Fitment notes — ACDELCO RP513067
Gold / ProfessionalRepair Bearing
RearNot For tapered axle tube ID Models
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BCA NBHK4012
🇺🇸 US
Frontwith AAM Axle
Fitment notes — BCA NBHK4012
Frontwith AAM Axlewith 7.25 IN Ring Gearwith Independent Front Suspension
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BCA NBRP513067
🇺🇸 US
Repair Bearing
Fitment notes — BCA NBRP513067
Repair Bearing
Rear
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MOTIVE GEAR KIT513067
🇺🇸 US
Axle Differential Bearing and Seal Kit
Fitment notes — MOTIVE GEAR KIT513067
Axle Differential Bearing and Seal Kit
RearGM 8", 8.5"/8.625"Axle Bearing and Seal Kit
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NATIONAL HK4012
🇺🇸 US
Front4WD
Fitment notes — NATIONAL HK4012
Front4WDwith 7.25 IN Ring Gearwith AAM AxleIndependent front suspension
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SCHAEFFLER DR0151K
🇺🇸 US
Repair Bearing
Fitment notes — SCHAEFFLER DR0151K
Repair Bearing
Rear
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TIMKEN SCH208
🇺🇸 US
Needle Bearing
Fitment notes — TIMKEN SCH208
Needle Bearing
Front Right4WD
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TIMKEN HK4012
🇺🇸 US
Needle Bearing1.8504 Housing Diameter
Fitment notes — TIMKEN HK4012
Needle Bearing1.8504 Housing Diameter
Front Left4WD
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USA STANDARD GEAR USA10005
🇺🇸 US
Axle Shaft Bearing KitC10 Aero
Fitment notes — USA STANDARD GEAR USA10005
Axle Shaft Bearing KitC10 Aero2.800" OD.Includes 1 Bearing And 1 Seal
Fits:
RearGM 8.6"Torrington Brand2.800" OD.or RearGM 8.0"Torrington Brand2.800" OD
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Brand Part Number Markets Notes Buy
AAM 26053326
🇺🇸 US
4WDwith 7.25 (In) Front Axle
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This table covers the Axle 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.

Axle Shaft Retainer / Clip

Brand Part Number Markets Notes Buy
GM GENUINE 03833322
🇺🇸 US 🇨🇦 CA
Fits Rear Axle39.43 X 19.94MM
Fitment notes — GM GENUINE 03833322
Fits:
Rear Axle39.43 X 19.94MM3.42 Rear Axle Ratio (GU6),Aluminum Wheel (N87),STYLED Aluminum Wheel (PD8)
or:
Rear Axle39.43 X 19.94MM4.10 Rear Axle Ratio (GT5),Aluminum Wheel (N87),STYLED Aluminum Wheel (PD8)
or:
Rear AxleExc. Limited Slip Differential (G86)39.43 X 19.94MM3.73 Rear Axle Ratio (GT4),Aluminum Wheel (N87),STYLED Aluminum Wheel (PD8)
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GM GENUINE 00344171
🇺🇸 US 🇨🇦 CA
Fits Rear AxleExc. Positraction Limited-Slip Rear Axle (G80), Limited Slip Differential (G86)
Fitment notes — GM GENUINE 00344171
Fits:
Rear AxleExc. Positraction Limited-Slip Rear Axle (G80), Limited Slip Differential (G86)35.0 X 18.8MM3.73 Rear Axle Ratio (GT4),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N80),Aluminum Wheel (PFE)
or:
Rear Axle35.0 X 18.8MM3.42 Rear Axle Ratio (GU6),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N77),Aluminum Wheel (N80),Aluminum Wheel (PFE)
or:
Rear Axle35.0 X 18.8MM4.10 Rear Axle Ratio (GT5),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N77),Aluminum Wheel (N80),Aluminum Wheel (PFE)
or:
Rear AxleExc. Sport Performance Package (B4U)35.0 X 18.8MM3.73 Rear Axle Ratio (GT4)Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N77),Aluminum Wheel (N80),Aluminum Wheel (PFE)
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MOTIVE GEAR 3833322
🇺🇸 US
RearGM 8.5"/8.625"
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MOTIVE GEAR 344171
🇺🇸 US
Fits FrontGM 7.6" IFS
Fitment notes — MOTIVE GEAR 344171
Fits:
FrontGM 7.6" IFSAxle Shaft Lock C-Clip
or:
RearGM 8"Axle Shaft Lock C-Clip
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This table covers the Axle Shaft retainers and clips.

Axle Shaft Seal

Brand Part Number Markets Notes Buy
GM GENUINE Popular 291315
🇺🇸 US 🇨🇦 CA
Color: Black, Orange
Fitment notes — GM GENUINE 291315
Color: Black, Orange
Rear
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NATIONAL Popular 710648
🇺🇸 US
Front Left4WD
Fitment notes — NATIONAL 710648
Front Left4WDwith 7.25 IN Ring Gearwith AAM AxleIndependent Front Suspension
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TIMKEN Popular 4762N
🇺🇸 US
Rear
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TIMKEN Popular 710648
🇺🇸 US
Fits Front Left4WD
Fitment notes — TIMKEN 710648
Fits:
Front Left4WD
or:
Front Inner4WDIntermediate Shaft
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ACDELCO 710648
🇺🇸 US 🇨🇦 CA
Gold
Fitment notes — ACDELCO 710648
Gold
Front Inner4WDwith Intermediate Shaftwith 7.25 IN Diameter Ring Gear
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BCA NS710648
🇺🇸 US
Front Leftwith 7.25 IN Ring Gear
Fitment notes — BCA NS710648
Front Leftwith 7.25 IN Ring GearAAM Transmissionwith Independent Front Suspension
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BCA NS710686
🇺🇸 US
Front Right4WD
Fitment notes — BCA NS710686
Front Right4WDwith AAM Axlewith 7.25 IN Ring Gearwith Independent Front Suspension
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GM GENUINE 22761722
🇺🇸 US
Front Inner4WD
Fitment notes — GM GENUINE 22761722
Front Inner4WDInnerPart of Bearing Assembly
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MOTIVE GEAR 16146CR
🇺🇸 US
Rear2.849" OD, 1.618" ID, .5" Wide
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MOTIVE GEAR 4762N
🇺🇸 US
Rear2.841" OD, 1.618" ID, .5" Wide
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SCHAEFFLER SS2332
🇺🇸 US
Front Inner4WD
Fitment notes — SCHAEFFLER SS2332
Front Inner4WD2.41" O.D. X 0.49" Width
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SCHAEFFLER SS4815
🇺🇸 US
Front Left4WD
Fitment notes — SCHAEFFLER SS4815
Front Left4WD2.96" O.D. X 0.59" Width
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TIMKEN 710491
🇺🇸 US
1.575 in. Shaft Size2.717 in. Outer Diam
Fitment notes — TIMKEN 710491
1.575 in. Shaft Size2.717 in. Outer Diam0.531 in. Width
Front Outer4WDIntermediate Shaft
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TIMKEN 710688
🇺🇸 US
Front Right4WD
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USA STANDARD GEAR USA30108
🇺🇸 US
Yukon Mighty Seal
Fitment notes — USA STANDARD GEAR USA30108
Yukon Mighty Seal
Fits:
RearGM 8.6"or RearGM 8.0"
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WJB / INMOTION PARTS WS710648
🇺🇸 US
Front Left4WD
Fitment notes — WJB / INMOTION PARTS WS710648
Front Left4WDIndependent Front Suspensionwith AAM Axlewith 7.25 IN Ring Gear
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WJB / INMOTION PARTS WS710686
🇺🇸 US
Front Right4WD
Fitment notes — WJB / INMOTION PARTS WS710686
Front Right4WDwith 7.25 IN Ring Gearwith AAM Axle(s)with Independent Front Suspension
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This table covers the seals where an axle shaft exits the 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.

Axle Vent Valve

Brand Part Number Markets Notes Buy
GM GENUINE 12471619
🇺🇸 US 🇨🇦 CA
Front4WD
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This table covers the Axle Vent 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.

CV Axle

Brand Part Number Markets Notes Buy
APWI GM8331
🇺🇸 US
Front
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GSP NCV10248
🇺🇸 US
Front
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TOP NOTCH TN20038
🇺🇸 US
Front
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TRAKMOTIVE GM8135
🇺🇸 US
Does Not Include ABS Ring
Fitment notes — TRAKMOTIVE GM8135
Does Not Include ABS Ring
Front4WD
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This table covers the complete CV axle shafts from differential (or hub) to wheel. Typical signs include a click in tight turns, grease flung around the wheel well, or a vibration that builds with speed. A torn boot caught early is a boot kit; caught late it is the whole axle. Torque the axle nut to the method in the notes.

CV Joint

Brand Part Number Markets Notes Buy
APWI GM5102
🇺🇸 US
Front4WD
Fitment notes — APWI GM5102
Front4WDPropeller Shaft CV Joint
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SKP SK932102
🇺🇸 US
Front4WD
Fitment notes — SKP SK932102
Front4WDPropeller Shaft
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This table covers the constant-velocity joints at each end of a drive axle.

CV Joint Boot

Brand Part Number Markets Notes Buy
MEVOTECH DX557
🇺🇸 US
Front Inner
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MEVOTECH DX633
🇺🇸 US
Front Outer
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This table covers the boots that keep grease in a CV joint. Typical signs include a split boot, grease flung around the joint, or a click once grit is inside. A boot caught early is a kit. Once the joint has clicked, the joint itself is usually worn.

Differential Carrier

Economy

Brand Part Number Markets Notes Buy
RICHMOND Popular XL5050
🇺🇸 US
Excel30 Spline
Fitment notes — RICHMOND XL5050
Excel30 SplineIncludes Internal Kit
Rearfor GM 8.5"/8.625" (10 Bolt)1.31" Axle Spline Diameter2.73 and HigherOpen
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DORMAN 697800
🇺🇸 US
Rear28 Spline
Fitment notes — DORMAN 697800
Rear28 Spline8.5" or 8.625" Ring Gear
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RICHMOND XL5046
🇺🇸 US
EXCelEmpty Carrier
Fitment notes — RICHMOND XL5046
EXCelEmpty Carrier
Rearfor GM 8.625" (10 Bolt)2.73 and HigherEmpty CaseOpenUse with Internal Kit XL-4056
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Heavy Duty

Brand Part Number Markets Notes Buy
USA STANDARD GEAR Popular USA26016
🇺🇸 US
Yukon Dura Grip
Fitment notes — USA STANDARD GEAR USA26016
Yukon Dura Grip
RearPositraction / Limited SlipGM 8.5 & 8.6" Rear30 Spline2.73 and Up1.781 In. Bearing Journal
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Standard Replacement

Brand Part Number Markets Notes Buy
AAM Popular 40048044
🇺🇸 US
Rearwith 10 Bolt Cover
Fitment notes — AAM 40048044
Rearwith 10 Bolt Coverwith 8.6 (In) Rear AxleCarrier Unit with gears
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DANA 10019415
🇺🇸 US
Spicer
Fitment notes — DANA 10019415
Spicer
Frontwith 28 Splineswith GM 7.6 Axle
View on
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GM GENUINE 19244836
🇺🇸 US 🇨🇦 CA
Fits with Side, Pinion Gears and ShaftExc. Positraction Limited-Slip Rear Axle (G80)
Fitment notes — GM GENUINE 19244836
Fits:
with Side, Pinion Gears and ShaftExc. Positraction Limited-Slip Rear Axle (G80)3.42 Rear Axle Ratio (GU6),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)or with Side, Pinion Gears and ShaftExc. Positraction Limited-Slip Rear Axle (G80)4.10 Rear Axle Ratio (GT5),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)
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MOTIVE GEAR GM86L
🇺🇸 US
30 Spline
Fitment notes — MOTIVE GEAR GM86L
30 Spline
RearGM 8.625" (10 Bolt)1.31" Axle Spline Diameter2.73 and HigherIncludes Internal KitOpen1999 and Later Requires Use of Bearing LM603049 and Race LM6030121998 and Earlier Use Bearing LM102949 and Race LM102911
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MOTIVE GEAR GM86E
🇺🇸 US
RearGM 8.625" (10 Bolt)
Fitment notes — MOTIVE GEAR GM86E
RearGM 8.625" (10 Bolt)2.73 and HigherEmpty CaseOpenCase# Ending In 8064Use with Internal Kit GM8.6BIL-1
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USA STANDARD GEAR USA20096
🇺🇸 US
Carrier caseCarrier Only
Fitment notes — USA STANDARD GEAR USA20096
Carrier caseCarrier OnlyFor Carriers with 1 Large and 1 Small Window (Casting #1073 or 1085)
RearGM 8.6"Open Differential
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USA STANDARD GEAR USA20139
🇺🇸 US
Carrier case
Fitment notes — USA STANDARD GEAR USA20139
Carrier case
Front4WDGM 7.6IFSStandard Open CaseIFSFits All Ratios
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USA STANDARD GEAR USA20098
🇺🇸 US
Open Differential (without Limited Slip) Carrier Case Includes Spider GearsLoaded Carrier
Fitment notes — USA STANDARD GEAR USA20098
Open Differential (without Limited Slip) Carrier Case Includes Spider GearsLoaded CarrierSpider Gears Pre-InstalledFor Carriers with 1 Large and 1 Small Window (Casting #1073 or 1085)
RearGM 8.6"10 Bolt
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This table covers the carriers that hold the differential gears in the axle.

Differential Carrier Bearing / Race

Economy

Brand Part Number Markets Notes Buy
WJB / INMOTION PARTS Popular WTA18
🇺🇸 US
Bearing & Race Set
Fitment notes — WJB / INMOTION PARTS WTA18
Bearing & Race Set
Front4WDIndependent Front Suspensionwith AAM Axlewith 7.25 IN Ring Gear
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WJB / INMOTION PARTS WTA36
🇺🇸 US
Fits Rearwith AAM Axle
Fitment notes — WJB / INMOTION PARTS WTA36
Fits:
Rearwith AAM Axlewith 8 IN Ring Gear
or:
Rearwith AAM Axlewith 8.625 IN Ring Gear
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WJB / INMOTION PARTS WTLM603012
🇺🇸 US
Race
Fitment notes — WJB / INMOTION PARTS WTLM603012
Race
Rearwith 8.00, 8.50 Ring Gear
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Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Popular A18
🇺🇸 US 🇨🇦 CA
GoldIncludes JL69349 & JL69310
Fitment notes — ACDELCO A18
GoldIncludes JL69349 & JL69310Taper Bearing Set
Frontwith 7.25 IN Diameter Ring Gear
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ACDELCO Popular A36
🇺🇸 US 🇨🇦 CA
GoldSet
Fitment notes — ACDELCO A36
GoldSetIncludes LM603049 & LM603012, Cup and ConeTaper Bearing Set
Fits:
Rearwith 8 IN or 8.5 IN Ring Gear
or:
Rearwith 8.5/8.6 IN Diameter Ring Gear
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BCA Popular NBA18
🇺🇸 US
Taper Bearing SetIncludes Cup and Cone
Fitment notes — BCA NBA18
Taper Bearing SetIncludes Cup and Cone
Frontwith AAM Axlewith 7.25 IN Ring Gearwith Independent Front Suspension
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TIMKEN Popular SET11
🇺🇸 US
Bearing & Race
Fitment notes — TIMKEN SET11
Bearing & Race
Front4WD
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BCA NBA36
🇺🇸 US
Taper Bearing SetIncludes Cup and Cone
Fitment notes — BCA NBA36
Taper Bearing SetIncludes Cup and Cone
Rearwith AAM Axlewith 8 IN or 8.625 IN Ring Gear
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BECK/ARNLEY 0513869
🇺🇸 US
Front4WD
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GM GENUINE 26066885
🇺🇸 US 🇨🇦 CA
Front Inner4WD
Fitment notes — GM GENUINE 26066885
Front Inner4WDUsed On Housing
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GM GENUINE S1380
🇺🇸 US 🇨🇦 CA
LM603049-12 (45.24 X 77.79 X 21.43MM)8.5/8.625 Diameter
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GM GENUINE S1298
🇺🇸 US 🇨🇦 CA
Front4WD
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NSK TRB11
🇺🇸 US
Bearing and Race SetKit Contents: 1 Cup, 1 Cone
Fitment notes — NSK TRB11
Bearing and Race SetKit Contents: 1 Cup, 1 ConeOutside Diameter: 63 mm
Front4WD38 mm ID
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RICHMOND 2900061
🇺🇸 US
Bearing & Race Kit or Differential Bearing Kit
Fitment notes — RICHMOND 2900061
Bearing & Race Kit or Differential Bearing Kit
RearGM 8.5"/8.625" (10 Bolt)3.06" Carrier Cup OD, 1.78" Carrier ConeIncludes Timken Bearings, Bearing Races
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SCHAEFFLER LM603012
🇺🇸 US
Race
Fitment notes — SCHAEFFLER LM603012
Race
Rearwith 8.50 In Ring Gear77.788 mm Outside Diameter
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SCHAEFFLER KT36
🇺🇸 US
Rearwith 8.00 In Ring Gear or with 8.50 In Ring Gear
Fitment notes — SCHAEFFLER KT36
Rearwith 8.00 In Ring Gear or with 8.50 In Ring Gear1.781 In Inside Diameter X 3.063 In Outside Diameter X 0.844 In Thick
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SCHAEFFLER KLM603049
🇺🇸 US
Bearing Only
Fitment notes — SCHAEFFLER KLM603049
Bearing Only
Rearwith 8.50 In Ring Gear19.84 mm Width45.24 mm Inside Diameter
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SKF LM603012
🇺🇸 US
Race
Fitment notes — SKF LM603012
Race
Rearwith 8.00, 8.50 Ring Gear
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SKF LM603049VP
🇺🇸 US
with 1.7810 In. Bearing Inside Diameter
Fitment notes — SKF LM603049VP
with 1.7810 In. Bearing Inside Diameter
Rearwith 8.00, 8.50 Ring Gear0.7812" Cone Length0.2500" Cup Length
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SKF BR36
🇺🇸 US
Rearwith 8.00, 8.50 Ring Gear
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USA STANDARD GEAR USA57008
🇺🇸 US
Includes Carrier Bearings, Races, Shims
Fitment notes — USA STANDARD GEAR USA57008
Includes Carrier Bearings, Races, Shims
Front4WDGM 7.6IFSRear Rearward
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USA STANDARD GEAR USA57010
🇺🇸 US
Includes Carrier Bearings, Races, Stackable Carrier Shims
Fitment notes — USA STANDARD GEAR USA57010
Includes Carrier Bearings, Races, Stackable Carrier Shims
RearGM 8.6"Rear Rearward
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This table covers the bearings and races that support the differential carrier.

Differential Carrier Shim

Brand Part Number Markets Notes Buy
MOTIVE GEAR Popular SS12
🇺🇸 US
Super shimsStackable Carrier Shim Kit
Fitment notes — MOTIVE GEAR SS12
Super shimsStackable Carrier Shim Kit
Fits:
RearGM 8.5/8.625"or RearGM 8"
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MOTIVE GEAR Popular SS10
🇺🇸 US
Differential Carrier Shim Kit
Fitment notes — MOTIVE GEAR SS10
Differential Carrier Shim Kit
Fits:
RearGM 8.5"/8.625"or FrontGM 7.6" IFS
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RICHMOND Popular 3800061
🇺🇸 US
Kit
Fitment notes — RICHMOND 3800061
Kit
Fits:
RearGM 8.5"/8.625"or FrontGM 7.6" IFS
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GM GENUINE 12471330
🇺🇸 US 🇨🇦 CA
IF REPL OEM CAST IRON SHIM,Order with DIFF BEARING SHIM KIT4.37-4.32mm Thick
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GM GENUINE 12471368
🇺🇸 US 🇨🇦 CA
Rear Axle2.438-2.540MM RANGE
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GM GENUINE 12471362
🇺🇸 US 🇨🇦 CA
Rear Axle1.016-1.118MM RANGE
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GM GENUINE 12471363
🇺🇸 US 🇨🇦 CA
Rear Axle1.168-1.372MM RANGE
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GM GENUINE 12471364
🇺🇸 US 🇨🇦 CA
Rear Axle1.422-1.626MM RANGE
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MOTIVE GEAR GM10MSK
🇺🇸 US
Differential Carrier Shim Kit or Differential Carrier and pinion shim Kit
Fitment notes — MOTIVE GEAR GM10MSK
Differential Carrier Shim Kit or Differential Carrier and pinion shim Kit
RearGM 8.5"/8.625"
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MOTIVE GEAR GM75MSK
🇺🇸 US
Carrier And Pinion Shim Kit
Fitment notes — MOTIVE GEAR GM75MSK
Carrier And Pinion Shim Kit
FrontGM 7.6" IFS
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RICHMOND 3800071
🇺🇸 US
Kit
Fitment notes — RICHMOND 3800071
Kit
RearFor Cast Iron Corvette, Ford 8.8" IFS, 8.8", GM 8", 8.5", 8.6" IRS, 8.625", 8.875"
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USA STANDARD GEAR USA55001
🇺🇸 US
Super Carrier Shim Kit
Fitment notes — USA STANDARD GEAR USA55001
Super Carrier Shim Kit
Front Differential4WDGM 7.6IFSCarrier shim KitInterlocking design2.880" OD
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USA STANDARD GEAR USA55002
🇺🇸 US
Super Carrier Shim Kit
Fitment notes — USA STANDARD GEAR USA55002
Super Carrier Shim Kit
Fits:
Rear DifferentialGM 8.6"Carrier shim KitInterlocking design3.035" OD
or:
Rear DifferentialGM 8.0"Carrier shim KitInterlocking design3.035" OD
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This table covers the Differential Carrier shims.

Differential Clutch Guide

Brand Part Number Markets Notes Buy
USA STANDARD GEAR USA33352
🇺🇸 US
Trac Loc Guide
Fitment notes — USA STANDARD GEAR USA33352
Trac Loc Guide
Rear DifferentialGM 8.6"For Posilock
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This table covers the Differential Clutch guides.

Differential Clutch Pack

Brand Part Number Markets Notes Buy
GM GENUINE 12471404
🇺🇸 US 🇨🇦 CA
Fits LeftEaton EDS- 29534 Includes Washer, Discs and Guide
Fitment notes — GM GENUINE 12471404
Fits:
LeftEaton EDS- 29534 Includes Washer, Discs and Guide3.73 Rear Axle Ratio (GT4),3.42 Rear Axle Ratio (GU6)Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)
or:
LeftEaton EDS- 29534 Includes Washer, Discs and Guide4.10 Rear Axle Ratio (GT5)Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)
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GM GENUINE 26045829
🇺🇸 US 🇨🇦 CA
Fits RightEaton EDS-29996
Fitment notes — GM GENUINE 26045829
Fits:
RightEaton EDS-299963.73 Rear Axle Ratio (GT4),3.42 Rear Axle Ratio (GU6)Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)
or:
RightEaton EDS-299964.10 Rear Axle Ratio (GT5)Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)
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USA STANDARD GEAR USA16041
🇺🇸 US
Yukon Dura GripCompatible with Dura Grip or Eaton Positractions, not Factory
Fitment notes — USA STANDARD GEAR USA16041
Yukon Dura GripCompatible with Dura Grip or Eaton Positractions, not Factory
RearGM 8.6"14 Carbon Clutches
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USA STANDARD GEAR USA16110
🇺🇸 US
Spider Gear
Fitment notes — USA STANDARD GEAR USA16110
Spider Gear
RearGM 8.6"18 Steel Clutches
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This table covers the clutch packs in a limited-slip or locking differential.

Differential Clutch Pack Clip

Brand Part Number Markets Notes Buy
GM GENUINE 15599623
🇺🇸 US 🇨🇦 CA
Differential Guide Clip
Fitment notes — GM GENUINE 15599623
Differential Guide Clip
Width .93"Positraction Limited-Slip Rear Axle (G80)Flange Side
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GM GENUINE 00462787
🇺🇸 US 🇨🇦 CA
Differential Guide Clip
Fitment notes — GM GENUINE 00462787
Differential Guide Clip
Fits:
Width .71"Flange End3.42 Rear Axle Ratio (GU6),Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N74) or Aluminum Wheel (N75) or Aluminum Wheel (N77) or Aluminum Wheel (N80) or Aluminum Wheel (PFE)
or:
Width .71"Flange End4.10 Rear Axle Ratio (GT5),Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N74) or Aluminum Wheel (N75) or Aluminum Wheel (N77) or Aluminum Wheel (N80) or Aluminum Wheel (PFE)
or:
Width .71"Flange EndExc. Chevrolet Trailblazer SS Performance Package (B4U)3.73 Rear Axle Ratio (GT4),Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N74) or Aluminum Wheel (N75) or Aluminum Wheel (N77) or Aluminum Wheel (N80) or Aluminum Wheel (PFE)
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GM GENUINE 12471533
🇺🇸 US 🇨🇦 CA
Fits Width .51"3.42 Rear Axle Ratio (GU6),Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N87) or Styled Aluminum Wheel (PD8)
Fitment notes — GM GENUINE 12471533
Fits:
Width .51"3.42 Rear Axle Ratio (GU6),Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N87) or Styled Aluminum Wheel (PD8)
or:
Width .51"3.73 Rear Axle Ratio (GT4),Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N87) or Styled Aluminum Wheel (PD8)
or:
Width .51"4.10 Rear Axle Ratio (GT5),Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N87) or Styled Aluminum Wheel (PD8)
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This table covers the Differential Clutch Pack clips.

Differential Cover

Brand Part Number Markets Notes Buy
GM GENUINE Popular 12479379
🇺🇸 US 🇨🇦 CA
Fits Rear10 BOLT COVER
Fitment notes — GM GENUINE 12479379
Fits:
Rear10 BOLT COVER4.10 Rear Axle Ratio (GT5)
or:
Rear10 BOLT COVER3.42 Rear Axle Ratio (GU6),Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N87),STYLED Aluminum Wheel (PD8)
or:
RearExc. Positraction Limited-Slip Rear Axle (G80)10 BOLT COVER3.42 Rear Axle Ratio (GU6),Aluminum Wheel (N87),STYLED Aluminum Wheel (PD8)
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GM GENUINE Popular 12479377
🇺🇸 US 🇨🇦 CA
Fits Rear4 speed Automatic trans.
Fitment notes — GM GENUINE 12479377
Fits:
Rear4 speed Automatic trans.3.73 Rear Axle Ratio (GT4), Positraction Limited-Slip Rear Axle (G80)
or:
Rear4 speed Automatic trans.Exc. Positraction Limited-Slip Rear Axle (G80), Limited Slip Differential (G86)3.73 Rear Axle Ratio (GT4)
or:
Rear4 speed Automatic trans.3.42 Ratio (GU6)
or:
Rear4 Speed Automatic Trans.4.10 Rear Axle Ratio (GT5), Aluminum Wheel (N74), Aluminum Wheel (N75), Aluminum Wheel (N77), Aluminum Wheel (N80), Aluminum Wheel (PFE)
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AAM 40027020
🇺🇸 US
Rearwith 10 Bolt Cover
Fitment notes — AAM 40027020
Rearwith 10 Bolt Coverwithout Fill Plug In Cover
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AAM 40039162
🇺🇸 US
Rearwith 8.6 (In) Axle
Fitment notes — AAM 40039162
Rearwith 8.6 (In) Axlewith Magnet Onlywith Fill Plug In Cover
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AAM 12471370
🇺🇸 US
with 10 Bolt Coverwith 7.6 (In) Rear Axle
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AAM 74030007
🇺🇸 US
Rearwith 10 Bolt Cover
Fitment notes — AAM 74030007
Rearwith 10 Bolt Coverwith Fill Plug In Cover
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USA STANDARD GEAR USA32017
🇺🇸 US
Chrome
Fitment notes — USA STANDARD GEAR USA32017
Chrome
RearGM 8.6"
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USA STANDARD GEAR USA32360
🇺🇸 US
Steel
Fitment notes — USA STANDARD GEAR USA32360
Steel
RearGM 8.0"with 8.0 In. Rear Differentialwith Differential
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USA STANDARD GEAR USA32030
🇺🇸 US
Polished Aluminum
Fitment notes — USA STANDARD GEAR USA32030
Polished Aluminum
RearGM 8.6"Finned
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This table covers the Differential covers.

Differential Cover Bolt

Brand Part Number Markets Notes Buy
USA STANDARD GEAR Popular USA33572
🇺🇸 US
22.5mm longMetric M8 x 1.25 thread
Fitment notes — USA STANDARD GEAR USA33572
22.5mm longMetric M8 x 1.25 thread
Fits:
RearGM 8.6"M8X1.25
or:
RearGM 8.0"M8X1.25
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AAM 4000216910
🇺🇸 US
Set
Fitment notes — AAM 4000216910
Set
Fits:
Rearwith 8.6 (In) Axl
or:
with 8.0 (In) Rear Axle
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AAM 40002169
🇺🇸 US
Fits Rearwith 8.6 (In) Axl
Fitment notes — AAM 40002169
Fits:
Rearwith 8.6 (In) Axl
or:
with 8.0 (In) Rear Axle
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DANA 34279
🇺🇸 US
Spicer
Fitment notes — DANA 34279
Spicer
Rearwith GM 8.6 Axle
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GM GENUINE 12471307
🇺🇸 US 🇨🇦 CA
RearM8X1.25X22.6,19.2THD
Fitment notes — GM GENUINE 12471307
RearM8X1.25X22.6,19.2THD13 DRIVER SIZE
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This table covers the Differential Cover bolts.

Differential Cover Gasket

Brand Part Number Markets Notes Buy
FEL-PRO Popular RDS550281
🇺🇸 US
Rearwith 8.625 (In) Ring Gear
Fitment notes — FEL-PRO RDS550281
Rearwith 8.625 (In) Ring Gearwith AAM Differentialwith 10 Bolt HolesPaper GasketAxle Housing Cover
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VICTOR REINZ Popular 711482200
🇺🇸 US
Rearwith 8.625 IN Ring Gear
Fitment notes — VICTOR REINZ 711482200
Rearwith 8.625 IN Ring Gearwith Engine Code AAM10 BoltAxle Housing Cover
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AAM 40018901
🇺🇸 US
with 8.6 (In) Rear AxleAxle Housing Cover
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ELRING 782360
🇺🇸 US
RearAxle Housing Cover
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FEL-PRO RDS55479
🇺🇸 US
Rearwith 8.5 (In) or 8.625 (In) Ring Gear
Fitment notes — FEL-PRO RDS55479
Rearwith 8.5 (In) or 8.625 (In) Ring Gearwith AAM DifferentialAxle Housing Cover
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GM GENUINE 12479020
🇺🇸 US 🇨🇦 CA
Rear4 speed Automatic trans.
Fitment notes — GM GENUINE 12479020
Rear4 speed Automatic trans.Axle Housing Cover
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MAHLE / CLEVITE P32864
🇺🇸 US
Axle Housing Cover GasketMolded Rubber
Fitment notes — MAHLE / CLEVITE P32864
Axle Housing Cover GasketMolded Rubber
Rear10 Bolt Holes 8 IN Ring GearAxle Housing Cover
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MOTIVE GEAR 3993593
🇺🇸 US
RearGM 8.5"/8.625" (10 Bolt)
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USA STANDARD GEAR USA23020
🇺🇸 US
Differential Gasket
Fitment notes — USA STANDARD GEAR USA23020
Differential Gasket
RearGM 8.6"
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VICTOR REINZ 711485300
🇺🇸 US
Rearwith 8.000 IN Ring Gear
Fitment notes — VICTOR REINZ 711485300
Rearwith 8.000 IN Ring Gearwith Engine Code AAM10 BoltAxle Housing Cover
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This table covers the gaskets that seal the Differential Cover. 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.

Differential Cross Pin

Brand Part Number Markets Notes Buy
GM GENUINE Popular 84565109
🇺🇸 US 🇨🇦 CA
Fits 3.73 Rear Axle Ratio (GT4), Limited Slip Differential (G86)
Fitment notes — GM GENUINE 84565109
Fits:
3.73 Rear Axle Ratio (GT4), Limited Slip Differential (G86)
or:
3.42 Rear Axle Ratio (GU6),Aluminum Wheel (N87),STYLED Aluminum Wheel (PD8)
or:
4.10 Rear Axle Ratio (GT5),Aluminum Wheel (N87),STYLED Aluminum Wheel (PD8)
or:
Exc. Limited Slip Differential (G86)3.73 Rear Axle Ratio (GT4),Aluminum Wheel (N87),STYLED Aluminum Wheel (PD8)
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GM GENUINE Popular 12479026
🇺🇸 US 🇨🇦 CA
Fits Exc. Positraction Limited-Slip Rear Axle (G80), Limited Slip Differential (G86)195MM CROSS PIN
Fitment notes — GM GENUINE 12479026
Fits:
Exc. Positraction Limited-Slip Rear Axle (G80), Limited Slip Differential (G86)195MM CROSS PIN3.73 Rear Axle Ratio (GT4)
or:
195MM CROSS PIN3.42 Rear Axle Ratio (GU6),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N77),Aluminum Wheel (N80),Aluminum Wheel (PFE)
or:
195MM CROSS PIN4.10 Rear Axle Ratio (GT5),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N77),Aluminum Wheel (N80),Aluminum Wheel (PFE)
or:
Exc. Sport Performance Package (B4U)195MM Cross Pin3.73 Rear Axle Ratio (GT4)Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N77),Aluminum Wheel (N80),Aluminum Wheel (PFE)
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AAM 40048063
🇺🇸 US
Rearwith 10 Bolt Cover
Fitment notes — AAM 40048063
Rearwith 10 Bolt Coverwith 8.6 (In) Rear Axle
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GM GENUINE 14039589
🇺🇸 US 🇨🇦 CA
Front4WD
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MOTIVE GEAR 14006401
🇺🇸 US
Differential Pinion Shaft
Fitment notes — MOTIVE GEAR 14006401
Differential Pinion Shaft
RearGM 8.5"/8.625" (10 Bolt)
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RICHMOND CSPGM85
🇺🇸 US
Differential Pinion Shaft
Fitment notes — RICHMOND CSPGM85
Differential Pinion Shaft
RearGM 8.5"/8.625" (10 Bolt)Notched To Clearance High Numeric Ratios
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RICHMOND XL5640
🇺🇸 US
EXCelDifferential Pinion Shaft
Fitment notes — RICHMOND XL5640
EXCelDifferential Pinion Shaft
RearFor GM 8.5"/8.625" (10 Bolt)
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RICHMOND 8002721
🇺🇸 US
Differential Pinion Shaft
Fitment notes — RICHMOND 8002721
Differential Pinion Shaft
RearGM 8.5"/8.625" (10 Bolt)
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USA STANDARD GEAR USA33404
🇺🇸 US
RearGM 8.0"
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This table covers the Differential Cross pins.

Differential Crush Sleeve

Brand Part Number Markets Notes Buy
RICHMOND Popular 1900041
🇺🇸 US
RearGM 8.25" IFS, 8.5"/8.625"
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USA STANDARD GEAR Popular USA33097
🇺🇸 US
RearGM 8.6"
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AAM 400103551
🇺🇸 US
Rear
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DORMAN 81057
🇺🇸 US
Pinion Crush Sleeves
Fitment notes — DORMAN 81057
Pinion Crush Sleeves
Rear8.5" To 8.75 In. Ring Gearwith 3.73 Axle Ratiowith Limited Slip Differential
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USA STANDARD GEAR USA33109
🇺🇸 US
RearGM 8.0"
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USA STANDARD GEAR USA33110
🇺🇸 US
Front4WD
Fitment notes — USA STANDARD GEAR USA33110
Front4WDGM 7.6IFS.625 in. Long
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USA STANDARD GEAR USA55048
🇺🇸 US
RearGM 8.6"
Fitment notes — USA STANDARD GEAR USA55048
RearGM 8.6"Solid
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This table covers the Differential Crush sleeves.

Differential Fill / Drain Plug

Brand Part Number Markets Notes Buy
AAM 40007601
🇺🇸 US
with 8.6 (In) Rear Axle
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This table covers the Differential Fill drain plugs.

Differential Gear Installation Kit

Brand Part Number Markets Notes Buy
RICHMOND Popular 831026B
🇺🇸 US
Install Kit Includes Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, Ring Gear Bolts, Shims (Pinion, Carrier), and Thread Locking Compound
Fitment notes — RICHMOND 831026B
Install Kit Includes Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, Ring Gear Bolts, Shims (Pinion, Carrier), and Thread Locking Compound
Rear AxleGM 8.5"/8.625" (10 Bolt)
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MOTIVE GEAR GM85IKL
🇺🇸 US
Differential Gear Install Kit
Fitment notes — MOTIVE GEAR GM85IKL
Differential Gear Install Kit
Rear AxleGM 8.5" (10 Bolt)
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MOTIVE GEAR GM8IK
🇺🇸 US
Differential Gear Install Kit
Fitment notes — MOTIVE GEAR GM8IK
Differential Gear Install Kit
Rear AxleGM 8" (10 Bolt)
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MOTIVE GEAR GM76IFSIK
🇺🇸 US
Differential Gear Install Kit
Fitment notes — MOTIVE GEAR GM76IFSIK
Differential Gear Install Kit
Front Axle4WDGM 7.6" IFS
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USA STANDARD GEAR USA12059
🇺🇸 US
Minor Differential Install KitIncludes Pinion Seal, Crush Sleeve if Applicable, Complete Shim Kit with Super Shims, Marking Compound, Brush
Fitment notes — USA STANDARD GEAR USA12059
Minor Differential Install KitIncludes Pinion Seal, Crush Sleeve if Applicable, Complete Shim Kit with Super Shims, Marking Compound, Brush
RearGM 8.6"
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This table covers the Differential Gear Installation kits.

Differential Housing Bolt

Brand Part Number Markets Notes Buy
USA STANDARD GEAR USA32271
🇺🇸 US
Differential Bearing Retainer Stud Kit
Fitment notes — USA STANDARD GEAR USA32271
Differential Bearing Retainer Stud Kit
GM 7.5"7.625 N.8.5"12P12T, Main Cap Stud Kit
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This table covers the Differential Housing bolts.

Differential Lock Actuator

Brand Part Number Markets Notes Buy
GM GENUINE 12471530
🇺🇸 US 🇨🇦 CA
Includes Bracket
Fitment notes — GM GENUINE 12471530
Includes Bracket
Positraction Limited-Slip Rear Axle (G80)Eaton EDS-29672Notched Weight
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This table covers the Differential Lock actuators. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same.

Differential Lock Plate

Brand Part Number Markets Notes Buy
GM GENUINE 12471406
🇺🇸 US 🇨🇦 CA
Fits Eaton EDS-890963.73 Rear Axle Ratio (GT4),3.42 Rear Axle Ratio (GU6)
Fitment notes — GM GENUINE 12471406
Fits:
Eaton EDS-890963.73 Rear Axle Ratio (GT4),3.42 Rear Axle Ratio (GU6)Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)
or:
Eaton EDS-890964.10 Rear Axle Ratio (GT5)Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)
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This table covers the Differential Lock 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.

Differential Lock Spring

Brand Part Number Markets Notes Buy
USA STANDARD GEAR SLSPRINGSM
🇺🇸 US
Differential Locker Rebuild KitSpartan Locker
Fitment notes — USA STANDARD GEAR SLSPRINGSM
Differential Locker Rebuild KitSpartan Locker
RearGM 8.6"Spartan Locker Spring and Pin Kit
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This table covers the Differential Lock 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.

Differential Lock Thrust Block

Brand Part Number Markets Notes Buy
GM GENUINE Popular 12471397
🇺🇸 US 🇨🇦 CA
Positraction Limited-Slip Rear Axle (G80)Orange
Fitment notes — GM GENUINE 12471397
Positraction Limited-Slip Rear Axle (G80)Orange1.338 Thick
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GM GENUINE 12471395
🇺🇸 US 🇨🇦 CA
Positraction Limited-Slip Rear Axle (G80)Brown
Fitment notes — GM GENUINE 12471395
Positraction Limited-Slip Rear Axle (G80)Brown1.330 Thick
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GM GENUINE 12471393
🇺🇸 US 🇨🇦 CA
PurplePositraction Limited-Slip Rear Axle (G80)
Fitment notes — GM GENUINE 12471393
PurplePositraction Limited-Slip Rear Axle (G80)1.322 Thick
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GM GENUINE 12471394
🇺🇸 US 🇨🇦 CA
WhitePositraction Limited-Slip Rear Axle (G80)
Fitment notes — GM GENUINE 12471394
WhitePositraction Limited-Slip Rear Axle (G80)1.326 Thick
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GM GENUINE 12471396
🇺🇸 US 🇨🇦 CA
YellowPositraction Limited-Slip Rear Axle (G80)
Fitment notes — GM GENUINE 12471396
YellowPositraction Limited-Slip Rear Axle (G80)1.334 Thick
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GM GENUINE 12471398
🇺🇸 US 🇨🇦 CA
Positraction Limited-Slip Rear Axle (G80)Pink
Fitment notes — GM GENUINE 12471398
Positraction Limited-Slip Rear Axle (G80)Pink1.342 Thick
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GM GENUINE 12471399
🇺🇸 US 🇨🇦 CA
Positraction Limited-Slip Rear Axle (G80)Green
Fitment notes — GM GENUINE 12471399
Positraction Limited-Slip Rear Axle (G80)Green1.346 Thick
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This table covers the thrust blocks in a locking differential.

Differential Pinion Bearing / Race

Economy

Brand Part Number Markets Notes Buy
WJB / INMOTION PARTS Popular WTM86649
🇺🇸 US
Fits Front Outer4WD
Fitment notes — WJB / INMOTION PARTS WTM86649
Fits:
Front Outer4WDIndependent Front Suspensionwith AAM Axlewith 7.25 IN Ring Gear
or:
Rear Outerwith AAM Axlewith 8 IN Ring Gear
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WJB / INMOTION PARTS Popular WTM88048
🇺🇸 US
Bearing Shape: Cylindrical
Fitment notes — WJB / INMOTION PARTS WTM88048
Bearing Shape: Cylindrical
Rear Outerwith AAM Axlewith 8.625 IN Ring Gear
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FAMOUS BRAND SM86610
🇺🇸 US 🇨🇦 CA
Race
Fitment notes — FAMOUS BRAND SM86610
Race
Fits:
RearOuterAAM 8" Ring Gear
or:
FrontOuterAAM IFS 7.25" Ring Gear
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FAMOUS BRAND SM802011
🇺🇸 US 🇨🇦 CA
RearInner
Fitment notes — FAMOUS BRAND SM802011
RearInnerAAM8" R.G. or 8.625" R.G.
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FAMOUS BRAND SM88010
🇺🇸 US 🇨🇦 CA
Fits RearOuter
Fitment notes — FAMOUS BRAND SM88010
Fits:
RearOuterCup Bore 2.68"Cup Length .687"AAM 8.625" Ring Gear1st Design
or:
FrontInnerCup Bore 2.68"Cup Length .687", AAM IFS 7.25" Ring Gear1st Design
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FAMOUS BRAND SM802048
🇺🇸 US 🇨🇦 CA
RearInner
Fitment notes — FAMOUS BRAND SM802048
RearInnerAAM8" R.G. or 8.625" R.G.
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ULTRA-POWER WTM88048
🇺🇸 US 🇨🇦 CA
RearOUTER
Fitment notes — ULTRA-POWER WTM88048
RearOUTERAAM AXLE8.625" RING GEAR
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ULTRA-POWER WTM802048
🇺🇸 US 🇨🇦 CA
RearInner
Fitment notes — ULTRA-POWER WTM802048
RearInnerAAM Axlewith 8" Ring Gear8.625" Ring Gear
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WJB / INMOTION PARTS WTM802011
🇺🇸 US
Race
Fitment notes — WJB / INMOTION PARTS WTM802011
Race
Fits:
Rear Innerwith AAM Differentialwith 8.625 IN Ring Gear
or:
Rear Innerwith AAM Differentialwith 8 IN Ring Gear
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WJB / INMOTION PARTS WTM86610
🇺🇸 US
RaceCup Outside Diameter (In): 2.5310000000000001 In
Fitment notes — WJB / INMOTION PARTS WTM86610
RaceCup Outside Diameter (In): 2.5310000000000001 In
Fits:
Front Outer4WDIndependent Front Suspensionwith AAM Differentialwith 7.25 IN Ring Gear
or:
Rear Outerwith AAM Differentialwith 8 IN Ring Gear
View on
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WJB / INMOTION PARTS WTM88010
🇺🇸 US
RaceCup Outside Diameter (In): 2.6880000000000002 In
Fitment notes — WJB / INMOTION PARTS WTM88010
RaceCup Outside Diameter (In): 2.6880000000000002 In
Fits:
Rear Outerwith AAM Differentialwith 8.625 IN Ring Gear
or:
Front Inner4WDIndependent Front Suspensionwith AAM Differentialwith 7.25 IN Ring Gear
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WJB / INMOTION PARTS WTM802048
🇺🇸 US
Bearing Shape: Cylindrical
Fitment notes — WJB / INMOTION PARTS WTM802048
Bearing Shape: Cylindrical
Fits:
Rear Innerwith AAM Axlewith 8.625 IN Ring Gear
or:
Rear Innerwith AAM Axlewith 8 IN Ring Gear
View on
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Standard Replacement

Brand Part Number Markets Notes Buy
SKF Popular BR52
🇺🇸 US
Rear Outerwith 8.50 Ring Gear
View on
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TIMKEN Popular M802011
🇺🇸 US
Race
Fitment notes — TIMKEN M802011
Race
Rear Inner
View on
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TIMKEN Popular M86649
🇺🇸 US
Fits Front Outer4WD
Fitment notes — TIMKEN M86649
Fits:
Front Outer4WD
or:
Rear Outer5 Passenger
View on
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TIMKEN Popular M802048
🇺🇸 US
Rear Inner
View on
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BCA NBM86610
🇺🇸 US
Race
Fitment notes — BCA NBM86610
Race
Fits:
Rear Outerwith 8 IN Ring Gearwith AAM Differential
or:
Front Outer4WDwith 7.25 IN Ring Gearwith AAM Differentialwith Independent Front Suspension
View on
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BCA NBM88010
🇺🇸 US
Race
Fitment notes — BCA NBM88010
Race
Fits:
Rear Outerwith 8.625 IN Ring Gearwith AAM Differential
or:
Front Inner4WDwith 7.25 IN Ring Gearwith AAM Differentialwith Independent Front Suspension
View on
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BCA NBM802011
🇺🇸 US
Race
Fitment notes — BCA NBM802011
Race
Fits:
Rear Innerwith 8.625 IN Ring Gearwith AAM Differential
or:
Rear Innerwith 8 IN Ring Gearwith AAM Differential
View on
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BCA NBM86649
🇺🇸 US
Bearing Shape: Cylindrical
Fitment notes — BCA NBM86649
Bearing Shape: Cylindrical
Fits:
Front Outer4WDwith AAM Axle(s)with 7.25 IN Ring Gearwith Independent Front Suspension
or:
Rear Outerwith AAM Axle(s)with 8 IN Ring Gear
View on
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BCA NBM88048
🇺🇸 US
Bearing Shape: Cylindrical
Fitment notes — BCA NBM88048
Bearing Shape: Cylindrical
Rear Outerwith AAM Axle(s)with 8.625 IN Ring Gear
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BCA NBM802048
🇺🇸 US
Bearing Shape: Cylindrical
Fitment notes — BCA NBM802048
Bearing Shape: Cylindrical
Fits:
Rear Innerwith AAM Axle(s)with 8.625 IN Ring Gear
or:
Rear Innerwith AAM Axle(s)with 8 IN Ring Gear
View on
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BCA NBBR52
🇺🇸 US
Bearing & Race
Fitment notes — BCA NBBR52
Bearing & Race
Rear Outerwith AAM Axle(s)with 8.625 IN Ring Gear
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BCA NBM88047
🇺🇸 US
Front Innerwith AAM Axle(s)
Fitment notes — BCA NBM88047
Front Innerwith AAM Axle(s)with 7.25 IN Ring Gearwith Independent Front Suspension
View on
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GM GENUINE 09413427
🇺🇸 US 🇨🇦 CA
Fits Outerwith Cup
Fitment notes — GM GENUINE 09413427
Fits:
Outerwith Cup3.73 Rear Axle Ratio (GT4), Limited Slip Differential (G86)
or:
Outerwith Cup3.42 Rear Axle Ratio (GU6),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)
or:
Outerwith Cup4.10 Rear Axle Ratio (GT5),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)
or:
Outerwith CupExc. Limited Slip Differential (G86)3.73 Rear Axle Ratio (GT4),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)
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GM GENUINE S1420
🇺🇸 US 🇨🇦 CA
Fits Inner3.42 Rear Axle Ratio (GU6),Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)
Fitment notes — GM GENUINE S1420
Fits:
Inner3.42 Rear Axle Ratio (GU6),Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)
or:
InnerExc. Chevrolet Trailblazer SS Performance Package (B4U)3.73 Rear Axle Ratio (GT4),Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N77),Aluminum Wheel (N80),Aluminum Wheel (PFE)
or:
InnerExc. Positraction Limited-Slip Rear Axle (G80)3.42 Rear Axle Ratio (GU6),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N77),Aluminum Wheel (N80),Aluminum Wheel (PFE)
or:
InnerExc. Positraction Limited-Slip Rear Axle (G80)3.42 Rear Axle Ratio (GU6),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)
or:
InnerExc. Positraction Limited-Slip Rear Axle (G80), Limited Slip Differential (G86)3.73 Rear Axle Ratio (GT4),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N77),Aluminum Wheel (N80),Aluminum Wheel (PFE)
or:
Front InnerExc. Positraction Limited-Slip Rear Axle (G80), Limited Slip Differenti
View on
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MOTIVE GEAR 706016XR
🇺🇸 US
Koyo Bearings
Fitment notes — MOTIVE GEAR 706016XR
Koyo Bearings
Fits:
RearGM 8.5"/8.625"or FrontGM 7.6" IFS
View on
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MOTIVE GEAR R10RLPK
🇺🇸 US
KitKoyo Bearings
Fitment notes — MOTIVE GEAR R10RLPK
KitKoyo Bearings
RearGM 8.5"/8.625" (10 Bolt)
View on
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MOTIVE GEAR R10RLTPK
🇺🇸 US
Pinion Bearing Kit Includes Timken Pinion Bearings, Brush, Crush Sleeve, Marking Compound, Pinion Nut, Pinion Seal, Pinion Shims, and Thread Locking Compound
Fitment notes — MOTIVE GEAR R10RLTPK
Pinion Bearing Kit Includes Timken Pinion Bearings, Brush, Crush Sleeve, Marking Compound, Pinion Nut, Pinion Seal, Pinion Shims, and Thread Locking Compound
RearGM 8.5"/8.625" (10 Bolt)
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NATIONAL M86610
🇺🇸 US
Taper Bearing CupRace
Fitment notes — NATIONAL M86610
Taper Bearing CupRace
Fits:
Front Outer4WDwith 7.25 IN Ring Gearwith AAM DifferentialIndependent front suspension
or:
Rear Outerwith 8 IN Ring Gearwith AAM Differential
View on
Amazon
NATIONAL M88010
🇺🇸 US
Taper Bearing Cup
Fitment notes — NATIONAL M88010
Taper Bearing Cup
Fits:
Rear Outerwith 8.625 IN Ring Gearwith AAM Differential
or:
Front Inner4WDwith 7.25 IN Ring Gearwith AAM DifferentialIndependent front suspension
View on
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NATIONAL M802011
🇺🇸 US
Taper Bearing Cup
Fitment notes — NATIONAL M802011
Taper Bearing Cup
Fits:
Rear Innerwith 8.625 IN Ring Gearwith AAM Differential
or:
Rear Innerwith 8 IN Ring Gearwith AAM Differential
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SCHAEFFLER M86610
🇺🇸 US
Race
Fitment notes — SCHAEFFLER M86610
Race
Rear Outer16.67 mm Width64.292 mm Outside Diameter64.29 mm Inside Diameter
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SCHAEFFLER M88010
🇺🇸 US
Race
Fitment notes — SCHAEFFLER M88010
Race
Rear Outerwith 8.50 In Ring Gear17.462 mm Width68.262 mm Outside Diameter
View on
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SCHAEFFLER KM86649
🇺🇸 US
Repair
Fitment notes — SCHAEFFLER KM86649
Repair
Rear Outerwith 8.00 In Ring Gear21.4 mm Width30.162 mm Inside Diameter
View on
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SCHAEFFLER M802011
🇺🇸 US
Race
Fitment notes — SCHAEFFLER M802011
Race
Rear Innerwith 8.00 In Ring Gear or with 8.50 In Ring Gear20.193 mm Width82.55 mm Outside Diameter
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SCHAEFFLER KM88048
🇺🇸 US
Fits Front Inner1.313 In Inside Diameter X 2.688 In Outside Diameter X 0.875 In Thick
Fitment notes — SCHAEFFLER KM88048
Fits:
Front Inner1.313 In Inside Diameter X 2.688 In Outside Diameter X 0.875 In Thick
or:
Rear Outerwith 8.50 In Ring Gear1.313 In Inside Diameter X 2.688 In Outside Diameter X 0.875 In Thick
View on
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SKF M86610VP
🇺🇸 US
Race
Fitment notes — SKF M86610VP
Race
Rear Outerwith 8.00 Ring Gear
View on
Amazon
SKF M88010VP
🇺🇸 US
Race
Fitment notes — SKF M88010VP
Race
Rear Outerwith 8.50 Ring Gear
View on
Amazon
SKF M802011
🇺🇸 US
Fits Rear Innerwith 8.50" Ring Gear
Fitment notes — SKF M802011
Fits:
Rear Innerwith 8.50" Ring Gear
or:
Rear Innerwith 8.00" Ring Gear
View on
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SKF M802011VP
🇺🇸 US
RaceTapered
Fitment notes — SKF M802011VP
RaceTapered
Rear Innerwith 8.00, 8.50 Ring Gear
View on
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SKF M802048011
🇺🇸 US
Tapered Roller Bearing Set (Bearing and Race)
Fitment notes — SKF M802048011
Tapered Roller Bearing Set (Bearing and Race)
Rear Innerwith 8.00, 8.50 Ring Gear
View on
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TIMKEN M86610
🇺🇸 US
Race
Fitment notes — TIMKEN M86610
Race
Fits:
Front Outer4WD
or:
Rear Outer5 Passenger
View on
Amazon
TIMKEN M88010
🇺🇸 US
Race
Fitment notes — TIMKEN M88010
Race
Fits:
Front Inner4WD
or:
Rear Outer7 Passenger
View on
Amazon
TIMKEN M88048
🇺🇸 US
Fits Front Inner4WD
Fitment notes — TIMKEN M88048
Fits:
Front Inner4WD
or:
Rear Outer7 Passenger
View on
Amazon
USA STANDARD GEAR USA13073
🇺🇸 US
KitIncludes Timken Pinion Bearings
Fitment notes — USA STANDARD GEAR USA13073
KitIncludes Timken Pinion Bearings
RearGM 8.6"
View on
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USA STANDARD GEAR ZPKGM86A
🇺🇸 US
RearGM 8.6"
Fitment notes — USA STANDARD GEAR ZPKGM86A
RearGM 8.6"pinion Bearing Kit
View on
Amazon

This table covers the bearings and races on the differential pinion.

Differential Pinion Bearing Baffle

Brand Part Number Markets Notes Buy
AAM 9785792
🇺🇸 US
View on
Amazon
GM GENUINE 09785792
🇺🇸 US 🇨🇦 CA
Fits Rear.058-.071 THK
Fitment notes — GM GENUINE 09785792
Fits:
Rear.058-.071 THK3.42 Rear Axle Ratio (GU6),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N77),Aluminum Wheel (N80),Aluminum Wheel (PFE)
or:
Rear.058-.071 THK4.10 Rear Axle Ratio (GT5),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N77),Aluminum Wheel (N80),Aluminum Wheel (PFE)
or:
RearExc. Positraction Limited-Slip Rear Axle (G80), Limited Slip Differential (G86).058-.071 THK3.73 Rear Axle Ratio (GT4),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N77),Aluminum Wheel (N80),Aluminum Wheel (PFE)
or:
RearExc. Sport Performance Package (B4U).058-.071 THK3.73 Rear Axle Ratio (GT4),Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N77),Aluminum Wheel (N80),Aluminum Wheel (PFE)
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GM GENUINE 12479162
🇺🇸 US 🇨🇦 CA
Fits .062-.068 THK3.73 Rear Axle Ratio (GT4), Limited Slip Differential (G86)or .062-.068 THK
Fitment notes — GM GENUINE 12479162
Fits:
.062-.068 THK3.73 Rear Axle Ratio (GT4), Limited Slip Differential (G86)or .062-.068 THK3.42 Rear Axle Ratio (GU6),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)or .062-.068 THK4.10 Rear Axle Ratio (GT5),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)
or:
Exc. Limited Slip Differential (G86).062-.068 THK3.73 Rear Axle Ratio (GT4),Aluminum Wheel (N87) or Styled Aluminum Wheel (PD8)
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MOTIVE GEAR 4111
🇺🇸 US
Differential Pinion Bearing Spacer
Fitment notes — MOTIVE GEAR 4111
Differential Pinion Bearing Spacer
FrontGM 7.6" IFS
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This table covers the baffles that control oil at the pinion bearings.

Differential Pinion Flange

Brand Part Number Markets Notes Buy
AAM 40016324
🇺🇸 US
with 10 Bolt Coverwith 8.0 (In) Rear Axle
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This table covers the flanges that connect the driveshaft to the differential pinion.

Differential Pinion Nut

Brand Part Number Markets Notes Buy
USA STANDARD GEAR Popular USA33152
🇺🇸 US
Differential Pinion Shaft Nut
Fitment notes — USA STANDARD GEAR USA33152
Differential Pinion Shaft Nut
Fits:
RearGM 8.6"pinion Shaft Nut-7/8-14 Thread
or:
RearGM 8.0"pinion Shaft Nut-7/8-14 Thread
or:
Front4WDGM 7.6IFSpinion Shaft Nut-7/8-14 Thread
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AAM 9783762
🇺🇸 US
Fits with 8.6 (In) Rear Axl
Fitment notes — AAM 9783762
Fits:
with 8.6 (In) Rear Axl
or:
with 8.0 (In) Rear Axle
View on
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GM GENUINE 09783762
🇺🇸 US 🇨🇦 CA
Fits Front4WD
Fitment notes — GM GENUINE 09783762
Fits:
Front4WD7/8-14 X 11/163.73 Rear Axle Ratio (GT4),4.10 Rear Axle Ratio (GT5),3.42 Rear Axle Ratio (GU6)
or:
Rear Axle7/8-14 X 11/16Pinion Gear Nut
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GM GENUINE 88891763
🇺🇸 US 🇨🇦 CA
Fits Front4WD
Fitment notes — GM GENUINE 88891763
Fits:
Front4WDM10
or:
Rear AxleM10Pinion Gear Nut
View on
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MOTIVE GEAR 1260823
🇺🇸 US
Differential Pinion Shaft NutPinion Nut
Fitment notes — MOTIVE GEAR 1260823
Differential Pinion Shaft NutPinion Nut
Front4WDGM 7.6" IFS, 8"
View on
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This table covers the Differential Pinion nuts.

Differential Pinion Repair Sleeve

Brand Part Number Markets Notes Buy
AAM Popular 26060975
🇺🇸 US
Sleeve To adapt standard yoke To Use late model triple Lip pinion sealwith 10 Bolt Cover
Fitment notes — AAM 26060975
Sleeve To adapt standard yoke To Use late model triple Lip pinion sealwith 10 Bolt Coverwith 8.6 (In) Rear Axle
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SKF 99212
🇺🇸 US
Shaft Diameter: 2.125 In
Fitment notes — SKF 99212
Shaft Diameter: 2.125 In
Rearwith 8.5 Ring Gear
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USA STANDARD GEAR USA41150
🇺🇸 US
Drive Shaft Pinion Yoke
Fitment notes — USA STANDARD GEAR USA41150
Drive Shaft Pinion Yoke
RearGM 8.6"Triple Lip Pinion Seal Sleeve2.110" Hub DiameterInstalls onto 1.940 In. Yoke Hub
View on
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USA STANDARD GEAR USA41210
🇺🇸 US
Pinion Yoke Sleeve
Fitment notes — USA STANDARD GEAR USA41210
Pinion Yoke Sleeve
RearGM 8.0"Triple Lip Pinion Seal SleeveTo Use with Triple Lip Seal1.690" OD Hub DiameterInstalls onto 1.522 In. Yoke Hub
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WJB / INMOTION PARTS WS99210
🇺🇸 US
Rear Outerwith AAM Axle
Fitment notes — WJB / INMOTION PARTS WS99210
Rear Outerwith AAM Axlewith 8.625 IN Ring Gear
View on
Amazon

This table covers the wear sleeves used to restore a grooved pinion seal surface.

Differential Pinion Seal

Brand Part Number Markets Notes Buy
NATIONAL Popular 710474
🇺🇸 US
Rear Outerwith 8 IN Ring Gear
Fitment notes — NATIONAL 710474
Rear Outerwith 8 IN Ring Gearwith AAM Axle
View on
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NATIONAL Popular 710506
🇺🇸 US
Rear Outerwith 8.625 IN Ring Gear
Fitment notes — NATIONAL 710506
Rear Outerwith 8.625 IN Ring Gearwith AAM Axle
View on
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SKF Popular 17407
🇺🇸 US
Rearwith 8 Ring Gear
View on
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SKF Popular 21285
🇺🇸 US
Rearwith 8.5 Ring Gear
View on
Amazon
WJB / INMOTION PARTS Popular WS710506
🇺🇸 US
Rear Outerwith AAM Axle
Fitment notes — WJB / INMOTION PARTS WS710506
Rear Outerwith AAM Axlewith 8.625 IN Ring Gear
View on
Amazon
AAM 26064028
🇺🇸 US
with 8.6 (In) Rear Axle
View on
Amazon
ACDELCO 710506
🇺🇸 US 🇨🇦 CA
Gold
Fitment notes — ACDELCO 710506
Gold
Rearwith 8.5 IN or 8.6 IN Ring Gear
View on
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BCA NS710474
🇺🇸 US
Rear Outerwith AAM Axle
Fitment notes — BCA NS710474
Rear Outerwith AAM Axlewith 8 IN Ring Gear
View on
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BCA NS710506
🇺🇸 US
Rear Outerwith AAM Axle
Fitment notes — BCA NS710506
Rear Outerwith AAM Axlewith 8.625 IN Ring Gear
View on
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BCA NS710547
🇺🇸 US
Front Outer4WD
Fitment notes — BCA NS710547
Front Outer4WDwith AAM Axlewith 7.25 IN Ring Gearwith Independent Front Suspension
View on
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GM GENUINE 12471523
🇺🇸 US 🇨🇦 CA
Fits Exc. Positraction Limited-Slip Rear Axle (G80)4.10 Rear Axle Ratio (GT5)
Fitment notes — GM GENUINE 12471523
Fits:
Exc. Positraction Limited-Slip Rear Axle (G80)4.10 Rear Axle Ratio (GT5)2 PIECE PINION SEALTRIPLE LIP
or:
Exc. Positraction Limited-Slip Rear Axle (G80), Limited Slip Differential (G86)3.73 Rear Axle Ratio (GT4)2 PIECE PINION SEALTRIPLE LIP
or:
Exc. Positraction Limited-Slip Rear Axle (G80)3.42 Rear Axle Ratio (GU6),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N77),Aluminum Wheel (N80),Aluminum Wheel (PFE)2 PIECE PINION SEALTRIPLE LIP
or:
3.42 Rear Axle Ratio (GU6)Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N77),Aluminum Wheel (N80),Aluminum Wheel (PFE)2 Piece Pinion SealTriple Lipor Exc. CHEVROLET TRAILBLAZER SS Performance Package (B4U)3.73 Rear Axle Ratio (GT4),Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N74),Aluminum Wheel (N75),Aluminum Wheel (N77),Aluminum Wheel (N80),Aluminum Wheel (PFE)2 PIECE PINION SEALTRIPLE LIP
View on
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GM GENUINE 12471614
🇺🇸 US 🇨🇦 CA
Front4WD
View on
Amazon
GM GENUINE 26064028
🇺🇸 US 🇨🇦 CA
Fits Rear Axle3.73 Rear Axle Ratio (GT4), Limited Slip Differential (G86)
Fitment notes — GM GENUINE 26064028
Fits:
Rear Axle3.73 Rear Axle Ratio (GT4), Limited Slip Differential (G86)2 PIECE PINION SEALTRIPLE LIP
or:
Rear Axle3.42 Rear Axle Ratio (GU6),Aluminum Wheel (N87),STYLED Aluminum Wheel (PD8)2 PIECE PINION SEALTRIPLE LIP
or:
Rear Axle4.10 Rear Axle Ratio (GT5),Aluminum Wheel (N87),STYLED Aluminum Wheel (PD8)2 PIECE PINION SEALTRIPLE LIP
or:
Rear AxleExc. Positraction Limited-Slip Rear Axle (G80), Limited Slip Differential (G86)3.73 Rear Axle Ratio (GT4),Aluminum Wheel (N87),STYLED Aluminum Wheel (PD8),Aluminum Wheel (QF8)2 PIECE PINION SEALTRIPLE LIP
View on
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MOTIVE GEAR 26064028
🇺🇸 US
RearGM 8.625 Differential
View on
Amazon
NATIONAL 710547
🇺🇸 US
Front Outer4WD
Fitment notes — NATIONAL 710547
Front Outer4WDwith 7.25 IN Ring Gearwith AAM AxleIndependent front suspension
View on
Amazon
SCHAEFFLER SS2796
🇺🇸 US
Rear2.66" O.D. X 0.55" Width
View on
Amazon
SCHAEFFLER SS3119
🇺🇸 US
Rearwith 8.50 In Ring Gear
Fitment notes — SCHAEFFLER SS3119
Rearwith 8.50 In Ring Gear53.975 mm Inside Diameter X 70.2818 mm Outside Diameter X 12.7 mm Thick
View on
Amazon
SCHAEFFLER SS2556
🇺🇸 US
Front2.66" O.D. X 0.44" Width
View on
Amazon
TIMKEN 710474
🇺🇸 US
Front4WD
View on
Amazon
TIMKEN 710506
🇺🇸 US
Rear
View on
Amazon
WJB / INMOTION PARTS WS710474
🇺🇸 US
Rear Outerwith AAM Axle
Fitment notes — WJB / INMOTION PARTS WS710474
Rear Outerwith AAM Axlewith 8 IN Ring Gear
View on
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WJB / INMOTION PARTS WS710547
🇺🇸 US
Front Outer4WD
Fitment notes — WJB / INMOTION PARTS WS710547
Front Outer4WDIndependent Front Suspensionwith AAM Axlewith 7.25 IN Ring Gear
View on
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This table covers the seals at the differential pinion yoke. 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.

Differential Pinion Shaft Lock Bolt

Brand Part Number Markets Notes Buy
GM GENUINE 25872305
🇺🇸 US 🇨🇦 CA
Fits Front4WD
Fitment notes — GM GENUINE 25872305
Fits:
Front4WD.3X18X30, 12.7THD
or:
Rear Axle.3X18X30, 12.7THD
View on
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USA STANDARD GEAR USA33067
🇺🇸 US
Differential Cross Pin Bolt
Fitment notes — USA STANDARD GEAR USA33067
Differential Cross Pin Bolt
Fits:
RearGM 8.6",-5/16" x 18 Thread1.75" Long, Differential Cross Pin Bolt
or:
RearGM 8.0"-5/16" x 18 Thread1.75" Long, Differential Cross Pin Bolt
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This table covers the Differential Pinion Shaft Lock bolts.

Differential Pinion Shim

Brand Part Number Markets Notes Buy
RICHMOND Popular 1600901
🇺🇸 US
Rear DifferentialGM 8.5/8.625"
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USA STANDARD GEAR Popular USA55008
🇺🇸 US
Rear Differential4WD
Fitment notes — USA STANDARD GEAR USA55008
Rear Differential4WDGM 7.6IFSPinion depth shim kit
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USA STANDARD GEAR Popular USA55009
🇺🇸 US
Rear DifferentialGM 8.6"
Fitment notes — USA STANDARD GEAR USA55009
Rear DifferentialGM 8.6"pinion Depth shim Kit
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EATON EAT3664
🇺🇸 US 🇨🇦 CA
.015" positraction shim.
Fitment notes — EATON EAT3664
.015" positraction shim.
Fits:
Rear4WD
or:
RearRWD
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EATON EAT3667
🇺🇸 US 🇨🇦 CA
.030" positraction shim.
Fitment notes — EATON EAT3667
.030" positraction shim.
Fits:
Rear4WD
or:
RearRWD
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GM GENUINE 12479114
🇺🇸 US 🇨🇦 CA
REAR AXLEExc. Sport Performance Package (B4U)
Fitment notes — GM GENUINE 12479114
REAR AXLEExc. Sport Performance Package (B4U).025-.029'
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GM GENUINE 12479118
🇺🇸 US 🇨🇦 CA
REAR AXLEExc. Sport Performance Package (B4U)
Fitment notes — GM GENUINE 12479118
REAR AXLEExc. Sport Performance Package (B4U).044-.047'
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GM GENUINE 12479116
🇺🇸 US 🇨🇦 CA
REAR AXLEExc. Sport Performance Package (B4U)
Fitment notes — GM GENUINE 12479116
REAR AXLEExc. Sport Performance Package (B4U).035-.039'
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GM GENUINE 12479117
🇺🇸 US 🇨🇦 CA
REAR AXLEExc. Sport Performance Package (B4U)
Fitment notes — GM GENUINE 12479117
REAR AXLEExc. Sport Performance Package (B4U).040-.043'
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MOTIVE GEAR 1100
🇺🇸 US
Pinion Shim Pack
Fitment notes — MOTIVE GEAR 1100
Pinion Shim Pack
Fits:
Rear DifferentialGM 8.5/8.625"or Rear DifferentialGM 8"
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MOTIVE GEAR 1104
🇺🇸 US
Pinion Shim Pack
Fitment notes — MOTIVE GEAR 1104
Pinion Shim Pack
Front DifferentialGM 7.6" IFS2.25" OD1.45" ID
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USA STANDARD GEAR USA16042
🇺🇸 US
Dura Grip Posi Shim Kit
Fitment notes — USA STANDARD GEAR USA16042
Dura Grip Posi Shim Kit
RearGM 8.6"
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This table covers the Differential Pinion shims.

Differential Rebuild Kit

Master Kit

Brand Part Number Markets Notes Buy
RICHMOND Popular XL10261
🇺🇸 US
EXCel
Fitment notes — RICHMOND XL10261
EXCel
RearFor GM 8.5"/8.625" (10 Bolt)
View on
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RICHMOND Popular 8310261
🇺🇸 US
Timken Bearings
Fitment notes — RICHMOND 8310261
Timken Bearings
RearGM 8.5"/8.625" (10 Bolt)
View on
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TIMKEN Popular DRK321CMK
🇺🇸 US
Master Kit
Fitment notes — TIMKEN DRK321CMK
Master Kit
Rear8.5", 8.625" RING GEAR
View on
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BCA NBRA327MK
🇺🇸 US
Master Kit
Fitment notes — BCA NBRA327MK
Master Kit
Rearwith 8 IN Ring Gear
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BCA NBDRK320KMK
🇺🇸 US
Master Kit
Fitment notes — BCA NBDRK320KMK
Master Kit
Frontwith 7.25 IN Ring Gear
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BCA NBRA321CMK
🇺🇸 US
Master Kit
Fitment notes — BCA NBRA321CMK
Master Kit
Rearwith 8.5 IN or 8.6 IN Ring Gear
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DANA 10038957
🇺🇸 US
SpicerMaster Kit
Fitment notes — DANA 10038957
SpicerMaster KitIncludes Shims and Ring Gear Bolts
Rearwith GM 8.5 & 8.6 Axles
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DORMAN 697119
🇺🇸 US
Rear8.5" Ring Gear
Fitment notes — DORMAN 697119
Rear8.5" Ring GearStandard Design
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DORMAN 797119
🇺🇸 US
Rear8.5" Ring Gear
Fitment notes — DORMAN 797119
Rear8.5" Ring GearImproved Design
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MOTIVE GEAR R10RLMK
🇺🇸 US
Rear8.5" Ring Gear
Fitment notes — MOTIVE GEAR R10RLMK
Rear8.5" Ring GearStandard DesignGM 8.625 Differential
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MOTIVE GEAR R10RLMKT
🇺🇸 US
with Timken Bearings
Fitment notes — MOTIVE GEAR R10RLMKT
with Timken Bearings
Rear8.5" or 8.625" Ring GearMaster KitGM 8.625 Differential
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MOTIVE GEAR R76RIFSMK
🇺🇸 US
Master Bearing Kit Includes Koyo Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Seals (Axle, Pinion), Ring Gear Bolts
Fitment notes — MOTIVE GEAR R76RIFSMK
Master Bearing Kit Includes Koyo Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Seals (Axle, Pinion), Ring Gear Bolts
Front4WDGM 7.6" IFS
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MOTIVE GEAR R76RIFSMKT
🇺🇸 US
Master Bearing Kit Includes Timken Tapered Bearings , Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Seals (Axle, Pinion), RIN
Fitment notes — MOTIVE GEAR R76RIFSMKT
Master Bearing Kit Includes Timken Tapered Bearings , Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Seals (Axle, Pinion), RIN
Front4WDGM 7.6" IFS
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MOTIVE GEAR R10RLEMK
🇺🇸 US
Master Bearing Kit Includes Koyo Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, Ring Gear Bolts
Fitment notes — MOTIVE GEAR R10RLEMK
Master Bearing Kit Includes Koyo Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, Ring Gear Bolts
RearGM 8.5"/8.625"
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MOTIVE GEAR RG8RMK
🇺🇸 US
Master Bearing Kit Includes Koyo Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, Ring Gear Bolts
Fitment notes — MOTIVE GEAR RG8RMK
Master Bearing Kit Includes Koyo Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, Ring Gear Bolts
RearGM 8" (10 Bolt)
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MOTIVE GEAR RG8RMKT
🇺🇸 US
Master Bearing Kit Includes Timken Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, Ring Gear Bolt
Fitment notes — MOTIVE GEAR RG8RMKT
Master Bearing Kit Includes Timken Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, Ring Gear Bolt
RearGM 8" (10 Bolt)
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SKF SDK321KMK
🇺🇸 US
Master Kit
Fitment notes — SKF SDK321KMK
Master Kit
Rearwith 8.50 & 8.625 Ring Gear
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SKF SDK320DMK
🇺🇸 US
Master Kit
Fitment notes — SKF SDK320DMK
Master Kit
Rearwith 8.00 Ring Gear
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USA STANDARD GEAR ZKGM86
🇺🇸 US
Master Overhaul KitIncludes Koyo Bearings
Fitment notes — USA STANDARD GEAR ZKGM86
Master Overhaul KitIncludes Koyo Bearings
RearGM 8.6"Rear
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USA STANDARD GEAR ZKGM80
🇺🇸 US
Differential Rebuild KitsIncludes Koyo Bearings
Fitment notes — USA STANDARD GEAR ZKGM80
Differential Rebuild KitsIncludes Koyo Bearings
Rear8"
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USA STANDARD GEAR USA14092
🇺🇸 US
Yukon Master KitTimken Bearings
Fitment notes — USA STANDARD GEAR USA14092
Yukon Master KitTimken Bearings
RearGM 8.6" RearUses M802048 Inner Pinion Bearing
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USA STANDARD GEAR USA14081
🇺🇸 US
Yukon Master KitTimken Bearings
Fitment notes — USA STANDARD GEAR USA14081
Yukon Master KitTimken Bearings
RearGM 8.0"
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USA STANDARD GEAR USA14165
🇺🇸 US
Yukon Master KitTimken Bearings
Fitment notes — USA STANDARD GEAR USA14165
Yukon Master KitTimken Bearings
Front4WDGM 7.6 in. IFS
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USA STANDARD GEAR ZKGM76IFS
🇺🇸 US
Master Overhaul KitIncludes Koyo Bearings
Fitment notes — USA STANDARD GEAR ZKGM76IFS
Master Overhaul KitIncludes Koyo Bearings
Front4WDGM 7.6 in. IFS
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Mega Kit

Brand Part Number Markets Notes Buy
MOTIVE GEAR Popular R10RLSKT
🇺🇸 US
Super Bearing Kit Includes Timken Tapered Bearings , Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Ring Gear BOL
Fitment notes — MOTIVE GEAR R10RLSKT
Super Bearing Kit Includes Timken Tapered Bearings , Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Ring Gear BOL
RearGM 8.5"/8.625" (10 Bolt)
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MOTIVE GEAR R10RLSK
🇺🇸 US
Super Bearing Kit Includes Koyo Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Ring Gear Bolts
Fitment notes — MOTIVE GEAR R10RLSK
Super Bearing Kit Includes Koyo Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Ring Gear Bolts
RearGM 8.5"/8.625" (10 Bolt)
View on
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Standard Kit

Brand Part Number Markets Notes Buy
NATIONAL Popular RA321C
🇺🇸 US
Rearwith 8.625 IN Ring Gear
Fitment notes — NATIONAL RA321C
Rearwith 8.625 IN Ring Gearwith AAM Axle
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TIMKEN Popular DRK321C
🇺🇸 US
Standard Kit
Fitment notes — TIMKEN DRK321C
Standard Kit
Rear8.5", 8.625" RING GEAR
View on
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AAM 74010005
🇺🇸 US
with 3.73 Axle Ratiowith 8.0 (In) Rear Axle
View on
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BCA NBDRK321K
🇺🇸 US
Standard Kit
Fitment notes — BCA NBDRK321K
Standard Kit
Rearwith 8.5 IN or 8.6 IN Ring Gear
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BCA NBRA321C
🇺🇸 US
Standard Kit
Fitment notes — BCA NBRA321C
Standard Kit
Rearwith 8.5 IN or 8.6 IN Ring Gear
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BCA NBRA327
🇺🇸 US
Standard Kit
Fitment notes — BCA NBRA327
Standard Kit
Rearwith 8 IN Ring Gear
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BCA NBDRK320K
🇺🇸 US
Standard Kit
Fitment notes — BCA NBDRK320K
Standard Kit
Frontwith 7.25 IN Ring Gear
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DANA 10038956
🇺🇸 US
SpicerStandard Kit
Fitment notes — DANA 10038956
SpicerStandard Kit
Rearwith GM 8.5 & 8.6 Axles
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LUK GDK321C
🇺🇸 US
Standard Kit
Fitment notes — LUK GDK321C
Standard Kit
Rear, 8.5"/8.6"
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LUK GDK321K
🇺🇸 US
Standard Kit
Fitment notes — LUK GDK321K
Standard Kit
Rear, 8.5"/8.6"
View on
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MOTIVE GEAR R10RL
🇺🇸 US
Bearing Kit Includes Koyo Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, and Thread Locking
Fitment notes — MOTIVE GEAR R10RL
Bearing Kit Includes Koyo Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, and Thread Locking
RearGM 8.625" (10 Bolt)
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MOTIVE GEAR R10RLT
🇺🇸 US
Bearing Kit Includes Timken Tapered Bearings , Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, and Thread L
Fitment notes — MOTIVE GEAR R10RLT
Bearing Kit Includes Timken Tapered Bearings , Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, and Thread L
RearGM 8.5"/8.625" (10 Bolt)
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MOTIVE GEAR R76RIFS
🇺🇸 US
Bearing Kit Includes Koyo Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Seals (Axle, Pinion), and Thread L
Fitment notes — MOTIVE GEAR R76RIFS
Bearing Kit Includes Koyo Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Seals (Axle, Pinion), and Thread L
Front4WDGM 7.6" IFS
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MOTIVE GEAR RG8R
🇺🇸 US
Bearing Kit Includes Koyo Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, and Thread Locking Comp
Fitment notes — MOTIVE GEAR RG8R
Bearing Kit Includes Koyo Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, and Thread Locking Comp
RearGM 8" (10 Bolt)
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MOTIVE GEAR RG8RT
🇺🇸 US
Bearing Kit Includes Timken Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, and Thread Locking Compound
Fitment notes — MOTIVE GEAR RG8RT
Bearing Kit Includes Timken Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, and Thread Locking Compound
RearGM 8" (10 Bolt)
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SKF SDK320D
🇺🇸 US
Standard Kit
Fitment notes — SKF SDK320D
Standard Kit
Rearwith 8.00 Ring Gear
View on
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SKF SDK321K
🇺🇸 US
Standard Kit
Fitment notes — SKF SDK321K
Standard Kit
Rearwith 8.50 & 8.625 Ring Gear
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TIMKEN DRK320D
🇺🇸 US
Standard Kit
Fitment notes — TIMKEN DRK320D
Standard Kit
Rear8" Ring Gear
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USA STANDARD GEAR ZBKGM86
🇺🇸 US
Standard KitsIncludes Koyo Bearings, Pinion Bearings, Carrier Bearings, Crush Sleeve, Pinion Seal
Fitment notes — USA STANDARD GEAR ZBKGM86
Standard KitsIncludes Koyo Bearings, Pinion Bearings, Carrier Bearings, Crush Sleeve, Pinion Seal
RearGM 8.6"10 BoltBearing and Seal KitNo Shims
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USA STANDARD GEAR USA11071
🇺🇸 US
Standard KitIncludes Timken Carrier Bearings, Races, Pinion Bearings, Races, Pinion Seal, and Crush Sleeve
Fitment notes — USA STANDARD GEAR USA11071
Standard KitIncludes Timken Carrier Bearings, Races, Pinion Bearings, Races, Pinion Seal, and Crush Sleeve
RearGM 8.6" RearDifferential Bearing Kit
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WJB / INMOTION PARTS WKRA327
🇺🇸 US
Rearwith AAM Axle
Fitment notes — WJB / INMOTION PARTS WKRA327
Rearwith AAM Axlewith 8 IN Ring Gear
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WJB / INMOTION PARTS WKRA321C
🇺🇸 US
Rearwith AAM Axle
Fitment notes — WJB / INMOTION PARTS WKRA321C
Rearwith AAM Axlewith 8.625 IN Ring Gear
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This table covers kits that group the bearings, races and seals for a differential rebuild.

Differential Ring and Pinion

Economy

Brand Part Number Markets Notes Buy
RICHMOND Popular GM75OE
🇺🇸 US
EXCel
Fitment notes — RICHMOND GM75OE
EXCel
Fits:
FrontFor GM 7.6" IFS
or:
RearGM 7.6 IFS Differential
View on
Amazon
RICHMOND Popular GM75TK
🇺🇸 US
EXCel
Fitment notes — RICHMOND GM75TK
EXCel
Fits:
FrontFor GM 7.6" IFSThick Ring GearRequires a 3.08 and Numerically Lower Ratio Carrier
or:
FrontFor GM 7.6" IFSThick Ring GearRequires a 3.23 and Numerically Higher Ratio CarrierRequires Notched Cross Shaft 80-0270-1 For Open Carriers
or:
RearGM 7.625 Differential
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RICHMOND Popular GM85
🇺🇸 US
EXCel
Fitment notes — RICHMOND GM85
EXCel
Fits:
RearFor GM 8.5"/8.625" (10 Bolt)
or:
RearGM 8.625 Differential
View on
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RICHMOND Popular GM75
🇺🇸 US
EXCel
Fitment notes — RICHMOND GM75
EXCel
Fits:
FrontFor GM 7.6" IFSRequires Notched Cross Shaft 80-0270-1 For Open Carriers
or:
RearGM 7.625 Differential
View on
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DANA 2023698
🇺🇸 US
SVL
Fitment notes — DANA 2023698
SVL
Rear10 Boltwith 3.23 Gear Ratiowith GM 8.5 & 8.6 Axles
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DANA 2020639
🇺🇸 US
SVL
Fitment notes — DANA 2020639
SVL
Rearwith 3.23 Gear Ratiowith GM 7.5 Axle
View on
Amazon
DANA 2023704
🇺🇸 US
SVL
Fitment notes — DANA 2023704
SVL
Rear10 Boltwith 4.88 Gear Ratiowith GM 8.5 & 8.6 Axles
View on
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DANA 2020395
🇺🇸 US
SVL
Fitment notes — DANA 2020395
SVL
Rearwith 3.73 Gear Ratiowith GM 7.5 Axle
View on
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DANA 2019331
🇺🇸 US
SVL
Fitment notes — DANA 2019331
SVL
Rearwith 3.08 Gear Ratiowith GM 7.5 Axle
View on
Amazon
DANA 2023695
🇺🇸 US
SVL
Fitment notes — DANA 2023695
SVL
Rear10 Boltwith 3.73 Gear Ratiowith GM 8.5 & 8.6 Axles
View on
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DANA 2020642
🇺🇸 US
SVL
Fitment notes — DANA 2020642
SVL
Rear10 Boltwith 3.42 Gear Ratiowith GM 8.5 & 8.6 Axles
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DANA 2020954
🇺🇸 US
SVL
Fitment notes — DANA 2020954
SVL
Rear10 Boltwith 3.90 Gear Ratiowith GM 8.5 & 8.6 Axles
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DANA 10035672
🇺🇸 US
SVL
Fitment notes — DANA 10035672
SVL
Rearwith 4.56 Gear Ratiowith GM 7.5 & 7.6 Axleswith Thick Gear
View on
Amazon
DANA 10035667
🇺🇸 US
SVL
Fitment notes — DANA 10035667
SVL
Rearwith 3.90 Gear Ratiowith GM 7.5 & 7.6 Axleswith Thick Gear
View on
Amazon
DORMAN 697812
🇺🇸 US
Rear8.625" Ring Gear
Fitment notes — DORMAN 697812
Rear8.625" Ring Gearwith 2.73 Axle Ratio
View on
Amazon
DORMAN 697810
🇺🇸 US
Rear8.625" Ring Gear
Fitment notes — DORMAN 697810
Rear8.625" Ring Gearwith 3.23 Axle Ratio
View on
Amazon
DORMAN 697300
🇺🇸 US
Rear8.625" Ring Gear
Fitment notes — DORMAN 697300
Rear8.625" Ring Gearwith 3.42 Axle Ratio
View on
Amazon
DORMAN 697301
🇺🇸 US
Rear8.625" Ring Gear
Fitment notes — DORMAN 697301
Rear8.625" Ring Gearwith 3.73 Axle Ratio
View on
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DORMAN 697303
🇺🇸 US
Rear8.625" Ring Gear
Fitment notes — DORMAN 697303
Rear8.625" Ring Gearwith 4.10 Axle Ratio
View on
Amazon
DORMAN 697201
🇺🇸 US
Rear8.5" Ring Gear
Fitment notes — DORMAN 697201
Rear8.5" Ring GearCarrier Break 2.56/2.73with 4.56 Axle Ratio
View on
Amazon

High Performance

Brand Part Number Markets Notes Buy
MOTIVE GEAR G885
🇺🇸 US
Motive Gear Performance
Fitment notes — MOTIVE GEAR G885
Motive Gear Performance
Fits:
RearGM 8.625 Differential
or:
Rear8.5" Ring Gearwith 3.73 Axle RatioGM 8.625 Differential
or:
RearGM 8.5"/8.625" (10 Bolt)
View on
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MOTIVE GEAR G875X
🇺🇸 US
Performance
Fitment notes — MOTIVE GEAR G875X
Performance
FrontGM 7.6" IFSThick Ring GearRequires 3.08 and Numerically Lower Ratio Carrier
View on
Amazon
MOTIVE GEAR G875
🇺🇸 US
Performance26 Spline or 28 Spline
Fitment notes — MOTIVE GEAR G875
Performance26 Spline or 28 Spline
FrontGM 7.6" IFSRequires Notched Cross Shaft 80-0270-1 For Open Carriers
View on
Amazon
MOTIVE GEAR G975
🇺🇸 US
Performance
Fitment notes — MOTIVE GEAR G975
Performance
FrontGM 7.6" IFSPRO Gear (Gear Ratio: 3.90 Gear Ratio)
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
AAM 26066706
🇺🇸 US
with 3.73 Axle Ratiowith 8.6 (In) Rear Axle
View on
Amazon
AAM 40053031
🇺🇸 US
with 4.10 Axle Ratiowith 8.6 (In) Rear Axle
View on
Amazon
AAM 40053802
🇺🇸 US
with 4.56 Axle Ratiowith 8.6 (In) Rear Axle
View on
Amazon
AAM 40053029
🇺🇸 US
with 3.42 Axle Ratiowith 8.6 (In) Rear Axle
View on
Amazon
AAM 40127810
🇺🇸 US
with 3.08 Axle Ratiowith 8.6 (In) Rear Axle
View on
Amazon
AAM 40108742
🇺🇸 US
with 3.23 Axle Ratiowith 8.6 (In) Rear Axle
View on
Amazon
GM GENUINE GM85373
🇺🇸 US 🇨🇦 CA
OEM3.73 ratio
Fitment notes — GM GENUINE GM85373
OEM3.73 ratio
Fits:
RearRWDGM 8.6"or Rear4WDGM 8.6"
View on
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GM GENUINE GM85342
🇺🇸 US 🇨🇦 CA
OEM3.42 ratio
Fitment notes — GM GENUINE GM85342
OEM3.42 ratio
Fits:
RearRWDGM 8.6"or Rear4WDGM 8.6"
View on
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GM GENUINE GM85456
🇺🇸 US 🇨🇦 CA
OEM4.56 ratio
Fitment notes — GM GENUINE GM85456
OEM4.56 ratio
Fits:
RearRWDGM 8.6"or Rear4WDGM 8.6"
View on
Amazon
MOTIVE GEAR GM10A
🇺🇸 US
A-Line Ring and Pinion
Fitment notes — MOTIVE GEAR GM10A
A-Line Ring and Pinion
Fits:
Rear8.625" Ring Gearwith 3.73 Axle RatioGM 8.625 Differential
or:
RearGM 8.5"/8.625" (10 Bolt)
View on
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MOTIVE GEAR GM75A
🇺🇸 US
A-Line Ring and Pinion
Fitment notes — MOTIVE GEAR GM75A
A-Line Ring and Pinion
FrontGM 7.6" IFS
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MOTIVE GEAR GM75
🇺🇸 US
26 Spline or 28 Spline
Fitment notes — MOTIVE GEAR GM75
26 Spline or 28 Spline
Fits:
RearGM 7.625 Differential
or:
FrontGM 7.6" IFS
View on
Amazon
MOTIVE GEAR GM10
🇺🇸 US
Fits RearGM 8.625 Differential
Fitment notes — MOTIVE GEAR GM10
Fits:
RearGM 8.625 Differential
or:
Rear8.625" Ring Gearwith 2.73 Axle RatioGM 8.625 Differential
or:
Rear8.625" Ring Gearwith 3.08 Axle RatioGM 8.625 Differential
or:
Rear8.625" Ring Gearwith 3.42 Axle RatioGM 8.625 Differential
or:
Rear8.625" Ring Gearwith 4.10 Axle RatioGM 8.625 Differential
or:
RearGM 8.5"/8.625" (10 Bolt)
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RICHMOND 4900171
🇺🇸 US
RearGM 8.5"/8.625" (10 Bolt)
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RICHMOND 4900441
🇺🇸 US
FrontGM 7.6" IFS
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RICHMOND 4900051
🇺🇸 US
FrontGM 7.6" IFS
Fitment notes — RICHMOND 4900051
FrontGM 7.6" IFSThick Ring GearRequires 3.08 and Numerically Lower Ratio Carrier
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USA STANDARD GEAR ZGGM85
🇺🇸 US 🇨🇦 CA
Ring Gear Diam: 8.5"Differential Cover Bolts: 10
Fitment notes — USA STANDARD GEAR ZGGM85
Ring Gear Diam: 8.5"Differential Cover Bolts: 10Ring Gear Bolts: 10pinion Splines: 30
4WDRearGM 8.5" / 8.6"
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USA STANDARD GEAR ZGGM80
🇺🇸 US 🇨🇦 CA
Ring Gear Diam: 8"Differential Cover Bolts: 10
Fitment notes — USA STANDARD GEAR ZGGM80
Ring Gear Diam: 8"Differential Cover Bolts: 10Ring Gear Bolts: 10pinion Splines: 27
4WDRearGM 8.0" (Gear Ratio: 4.11 Gear Ratio)
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Brand Part Number Markets Notes Buy
MOTIVE GEAR Popular SS10
🇺🇸 US
Differential Carrier Shim Kit
Fitment notes — MOTIVE GEAR SS10
Differential Carrier Shim Kit
Front4WDGM 8.0"
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RICHMOND Popular 3800061
🇺🇸 US
Kit
Fitment notes — RICHMOND 3800061
Kit
Front4WDGM 8.0"
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GM GENUINE 19541990
🇺🇸 US 🇨🇦 CA
Fits 3.73 Rear Axle Ratio (GT4), Limited Slip Differential (G86)
Fitment notes — GM GENUINE 19541990
Fits:
3.73 Rear Axle Ratio (GT4), Limited Slip Differential (G86)
or:
Exc. Limited Slip Differential (G86)3.73 Rear Axle Ratio (GT4),Aluminum Wheel (N87),STYLED Aluminum Wheel (PD8)
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This table covers the ring-and-pinion gear sets that set the axle ratio.

Differential Ring Gear Bolt

Brand Part Number Markets Notes Buy
USA STANDARD GEAR Popular USA33049
🇺🇸 US
Fits Rear DifferentialGM 8.6", Ring Gear Bolt
Fitment notes — USA STANDARD GEAR USA33049
Fits:
Rear DifferentialGM 8.6", Ring Gear BoltLeft Hand Thread, -7/16-20UNF
or:
Rear DifferentialGM 8.0", Ring Gear BoltLeft Hand Thread, -7/16-20UNF
or:
Front Differential4WDGM 7.6IFS, Ring Gear BoltLeft Hand Thread, -7/16-20UNF
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AAM 40061033
🇺🇸 US
Fits 7/16" x 20 x .88" - Left Hand 6 PT Serrated Hex with Adhesivewith 8.6 (In) Rear Axl
Fitment notes — AAM 40061033
Fits:
7/16" x 20 x .88" - Left Hand 6 PT Serrated Hex with Adhesivewith 8.6 (In) Rear Axl
or:
7/16" x 20 x .88" - Left Hand 6 PT Serrated Hex with Adhesivewith 7.6 (In) Rear Axl
or:
7/16" x 20 x .88" - Left Hand 6 PT Serrated Hex with Adhesivewith 8.0 (In) Rear Axle
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GM GENUINE 11610549
🇺🇸 US 🇨🇦 CA
7/16-203.73 Rear Axle Ratio (GT4), Limited Slip Differential (G86)
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MOTIVE GEAR 14066913
🇺🇸 US
Ring Gear Bolt
Fitment notes — MOTIVE GEAR 14066913
Ring Gear Bolt
Fits:
Rear DifferentialGM 8.5"/8.625"or Front DifferentialGM 7.6" IFS
or:
Front Differential4WDGM 8.0"
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MOTIVE GEAR PB1792L
🇺🇸 US
Fits Rear DifferentialGM 8.5"/8.625"
Fitment notes — MOTIVE GEAR PB1792L
Fits:
Rear DifferentialGM 8.5"/8.625"Extended Length For Use with Gear Spacer
or:
Front DifferentialGM 7.6" IFSExtended Length For Use with Gear Spacer
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This table covers the Differential Ring Gear bolts.

Differential Seal

Brand Part Number Markets Notes Buy
TIMKEN 710688
🇺🇸 US
Front4WD
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This table covers the seals at the Differential. 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.

Differential Spider Gear

Economy

Brand Part Number Markets Notes Buy
DANA 2023879
🇺🇸 US
SVLCarrier Gear Kit
Fitment notes — DANA 2023879
SVLCarrier Gear Kit
Rear Axlewith V2 Designwith 30 Splineswith GM 8.6 Axlewith Open Differential
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RICHMOND XL4056
🇺🇸 US
ExcelDifferential Carrier Gear Kit
Fitment notes — RICHMOND XL4056
ExcelDifferential Carrier Gear Kit30 SplineIncludes Side and Pinion Gears, Washers, Pinion Shaft and Lock Bolt or Roll Pin
Rear Axlefor GM 8.625" Rear Differential (10 Bolt Cover)1.32" Spline DiameterOpen DifferentialCase Casting# 8064
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Standard Replacement

Brand Part Number Markets Notes Buy
AAM Popular 74047015
🇺🇸 US
Differential Spider and Pinion Gear Kit
Fitment notes — AAM 74047015
Differential Spider and Pinion Gear Kit
with 10 Bolt Coverwith 30 Splineswith 8.6 (In) Rear Axle
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USA STANDARD GEAR Popular ZIKGM86S30V2
🇺🇸 US
Spider Gear or Carrier Gear Kit or Spider Gear SetCast
Fitment notes — USA STANDARD GEAR ZIKGM86S30V2
Spider Gear or Carrier Gear Kit or Spider Gear SetCast
Rear AxleGM 8.6"30 SplineFits '00-'06 Case with Casting Numbers 1073 or 7875with Differentialwithout Limited Slip Differential
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GM GENUINE 19178111
🇺🇸 US 🇨🇦 CA
Carrier Gear Kit
Fitment notes — GM GENUINE 19178111
Carrier Gear Kit
Fits:
3.73 Rear Axle Ratio (GT4),3.42 Rear Axle Ratio (GU6)Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)1/4 Locking Gearor 4.10 Rear Axle Ratio (GT5)Positraction Limited-Slip Rear Axle (G80),Aluminum Wheel (N87),Styled Aluminum Wheel (PD8)1/4 Locking Gear
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MOTIVE GEAR GM86BIL1
🇺🇸 US
Differential Carrier Gear Kit30 Spline
Fitment notes — MOTIVE GEAR GM86BIL1
Differential Carrier Gear Kit30 Spline
Rear AxleGM 8.625" (10 Bolt)1.32" Spline DiameterOpen DifferentialCase Number Ending In 8064Includes Side and Pinion Gears, Washers, Pinion Shaft and Lock Bolt or Roll Pin
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USA STANDARD GEAR ZIKGM86S30V3
🇺🇸 US
Spider Gear or Carrier Gear Kit or Spider Gear Set
Fitment notes — USA STANDARD GEAR ZIKGM86S30V3
Spider Gear or Carrier Gear Kit or Spider Gear Set
Rear AxleGM 8.6"30 SplineFits 2007 & Newer Case with Casting # 8064with Differentialwithout Limited Slip Differential
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USA STANDARD GEAR USA16146
🇺🇸 US
Spider Gear or Carrier Gear Kit or Spider Gear SetForged
Fitment notes — USA STANDARD GEAR USA16146
Spider Gear or Carrier Gear Kit or Spider Gear SetForged
Rear AxleGM 8.6"30 SplineFits 2007 & Newer Case with Casting # 8064with 8.6 (In) Differentialwithout Limited Slip Differential
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This table covers the Differential Spider gears.

Differential Spool

Brand Part Number Markets Notes Buy
MOTIVE GEAR FS1030
🇺🇸 US
30 SplineFull Spool
Fitment notes — MOTIVE GEAR FS1030
30 SplineFull Spool30 SplineSteel
GM 8.5" (10 Bolt)Full Spool2.73 Carrier and Up1999 and Later Requires Use of Bearing LM603049 and Race LM6030121998 and Earlier Use Bearing LM102949 and Race LM10291145 Degree Pressure AngleC-Clip Eliminator Required
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RICHMOND XL5241
🇺🇸 US
Excel30 Spline
Fitment notes — RICHMOND XL5241
Excel30 Spline
for GM 8.5" (10 Bolt)Full Spool2.73 Carrier and Up1999 and Later Requires Use of Bearing LM603049 and Race LM6030121998 and Earlier Use Bearing LM102949 and Race LM10291145 Degree Pressure AngleC-Clip Eliminator Required
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This table covers the spools that lock the differential side gears together.

Differential Washer

Brand Part Number Markets Notes Buy
MOTIVE GEAR Popular 3984818
🇺🇸 US
Differential Pinion Gear Thrust Washer
Fitment notes — MOTIVE GEAR 3984818
Differential Pinion Gear Thrust Washer
RearGM 8.5/8.625"Pinion Gear Thrust Washer
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USA STANDARD GEAR Popular USA33167
🇺🇸 US
Pinion Gear Washer
Fitment notes — USA STANDARD GEAR USA33167
Pinion Gear Washer
Fits:
GM 8.6"or 4WDGM 7.6IFS
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MOTIVE GEAR 559291
🇺🇸 US
Differential Pinion Gear Thrust Washer
Fitment notes — MOTIVE GEAR 559291
Differential Pinion Gear Thrust Washer
FrontGM 7.5" or 7.625"Pinion Gear Thrust Washer
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MOTIVE GEAR RGB4LW
🇺🇸 US
Fits GM 8.5" or 8.625"Lock Washeror GM 7.6" IFS
Fitment notes — MOTIVE GEAR RGB4LW
Fits:
GM 8.5" or 8.625"Lock Washeror GM 7.6" IFSLock Washer
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USA STANDARD GEAR USA33386
🇺🇸 US
Side gear thrust washer
Fitment notes — USA STANDARD GEAR USA33386
Side gear thrust washer
RearGM 8.6"Standard Open
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USA STANDARD GEAR USA33527
🇺🇸 US
Pinion gear Thrust Washer
Fitment notes — USA STANDARD GEAR USA33527
Pinion gear Thrust Washer
RearGM 8.0"
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USA STANDARD GEAR USA33528
🇺🇸 US
Side gear thrust washer
Fitment notes — USA STANDARD GEAR USA33528
Side gear thrust washer
RearGM 8.0"
View on
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This table covers the Differential washers.

Drive Shaft

Brand Part Number Markets Notes Buy
SKP Popular SK938190
🇺🇸 US
Front4WD
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CARDONE 651019
🇺🇸 US
RearRWD
Fitment notes — CARDONE 651019
RearRWDwith 57.24 (In) Long Driveshaft5 Passenger
View on
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DORMAN 936499
🇺🇸 US
Length: 57.25"
Fitment notes — DORMAN 936499
Length: 57.25"
RearRWDwith 5 Passenger Seating
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ULTRA-POWER 938190
🇺🇸 US 🇨🇦 CA
35" Long
Fitment notes — ULTRA-POWER 938190
35" Long
Front4WD/AWD
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WJB / INMOTION PARTS WDS38190
🇺🇸 US
Front4WD
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This table covers the driveshafts that carry torque from the transmission or transfer case.

Drive Shaft Bolt

Brand Part Number Markets Notes Buy
GM GENUINE 11548472
🇺🇸 US 🇨🇦 CA
Front4WD
Fitment notes — GM GENUINE 11548472
Front4WDM5/16-24X1.3
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This table covers the Drive Shaft bolts.

Drive Shaft End Yoke

Strap Style (Easier to Install)

Brand Part Number Markets Notes Buy
USA STANDARD GEAR USA41092
🇺🇸 US
Drive Shaft Pinion Yoke
Fitment notes — USA STANDARD GEAR USA41092
Drive Shaft Pinion Yoke
Rear DifferentialGM 8.6"Pinion YokeFor Use with 1350 U-Joint1.188" Cap DiameterStrap StyleForged
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USA STANDARD GEAR USA41071
🇺🇸 US
Drive Shaft Pinion Yoke
Fitment notes — USA STANDARD GEAR USA41071
Drive Shaft Pinion Yoke
Rear DifferentialGM 8.5 & 8.6"Pinion Yoke30 SplineStrap StyleMechanic 3R U-Joint1.125" Cap DiameterInside Snap Ring
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USA STANDARD GEAR USA41073
🇺🇸 US
Drive Shaft Pinion Yoke
Fitment notes — USA STANDARD GEAR USA41073
Drive Shaft Pinion Yoke
Rear DifferentialGM 8.0" RearPinion Yoke27 SplineStrap StyleFor Use with Mechanics 3R U-Joint1.125" Cap Diameter
View on
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U-Bolt Style (Stronger)

Brand Part Number Markets Notes Buy
DANA Popular 10025466
🇺🇸 US
Spicer
Fitment notes — DANA 10025466
Spicer
Rear Differentialwith 30 Splineswith Dana 1350 Series Drive Shaftwith GM 8.5 & 8.6 Axles
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USA STANDARD GEAR USA41093
🇺🇸 US
Drive Shaft Pinion Yoke
Fitment notes — USA STANDARD GEAR USA41093
Drive Shaft Pinion Yoke
Rear DifferentialGM 8.6"Pinion YokeFor Use with 1350 U-Joint1.188" Cap DiameterU-Bolt StyleForged
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This table covers the Drive Shaft End yokes.

Drive Shaft Retainer

Brand Part Number Markets Notes Buy
GM GENUINE 03882979
🇺🇸 US 🇨🇦 CA
Front4WD
Fitment notes — GM GENUINE 03882979
Front4WDUse with 7-1/2" Diameter Ring Gear
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This table covers the Drive Shaft retainers.

Buying Drivetrain Parts for a 2007 Isuzu Ascender

On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.

  • Confirm you have the 4.2L L6 engine — every part on this page is matched to it.
  • Read the notes on each row for position, trim and spec qualifiers before you order.
  • Where labor overlaps, replace the differential or transfer-case fluid with any axle or seal job while everything is already open.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Differential Rebuild Kit and Differential Pinion Bearing / Race .

Frequently Asked Questions

How many drivetrain parts fit the 2007 Isuzu Ascender?

Our catalog currently lists 405 drivetrain parts for the 2007 Isuzu Ascender across 50 subcategories and 32 brands, covering the 4.2L L6 engine. Each part is matched to the engine(s) it fits.

What are the signs of drivetrain problems on a 2007 Isuzu Ascender?

Common symptoms include clicking in tight turns, a clunk when shifting between drive and reverse, vibration that builds with speed, or gear oil on the inside of a wheel. 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 differential or transfer-case fluid with any axle or seal job while everything is already open.

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 2007 Isuzu Ascender 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 2007 Isuzu Ascender?

Every part on this page is matched to the 4.2L L6 engine. Then a torn CV boot caught early is a cheap boot kit; caught late it is a whole axle — inspect before deciding which to buy. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2007 Isuzu Ascender

Drivetrain Parts for Other Isuzu Ascender Years

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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.