2020 Chevrolet Suburban Engine Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

This page lists 531 engine parts for the 2020 Chevrolet Suburban, across 99 part types, covering both the 5.3L V8 and the 6.2L V8. Every part shows its brand, manufacturer part number and fitment notes.

On the 2020 Chevrolet Suburban, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. 66 parts of the 531 listed are Connecting Rod Bearing (24 parts), Oil (22 parts) and Timing Chain & Component Kit (20 parts). The other 96 part types cover the remaining 465 parts.

Barometric Pressure Sensor

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 12711681
🇺🇸 US 🇨🇦 CA
6 speed Automatic trans.
Fitment notes — GM GENUINE 12711681
6 speed Automatic trans.
10 speed Automatic trans.
View on
Amazon

This table covers the Barometric pressure sensors. Typical signs include a check-engine light for MAP or fuel-rail pressure, or a limp mode under load. A vacuum leak or a clogged reference line will fake a bad pressure sensor.

Camshaft

Heavy Duty / Towing

Brand Part Number Markets Notes Buy
MELLING Fits: all 2020 Suburban engines 22142
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High Performance
Fitment notes — MELLING 22142
High Performance
Class 1 CamshaftTRI Lobe Camshaft with +32% Fuel Pump Lobe DiameterDuration @ .050 Intake 216 Degree, Exhaust 228 DegreeFuel Pump Lobe Lash Cap is RequiredNot Computer CompatibleNon DOD CamshaftVVT Lockout Bushing Required
View on
Amazon

High Performance

Brand Part Number Markets Notes Buy
MELLING Popular Fits: all 2020 Suburban engines 22329
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High PerformanceNo Warranty
Fitment notes — MELLING 22329
High PerformanceNo Warranty
Class 3 CamshaftTRI Lobe Camshaft with +14% Fuel Pump Lobe DiameterDuration @ .050 Intake 193 Degree, Exhaust 199 DegreeNo Fuel Pump Lobe Lash is RequiredNot Computer CompatibleNon DOD CamshaftVVT Lockout Bushing Required
View on
Amazon
MELLING Fits: all 2020 Suburban engines 22242
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High Performance
Fitment notes — MELLING 22242
High Performance
Class 2 CamshaftTRI Lobe Camshaft with +32% Fuel Pump Lobe DiameterDuration @ .050 Intake 220 Degree, Exhaust 232 DegreeFuel Pump Lobe Lash Cap is RequiredNot Computer CompatibleNon DOD CamshaftVVT Lockout Bushing Required
View on
Amazon
MELLING Fits: all 2020 Suburban engines 22330
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High PerformanceNo Warranty
Fitment notes — MELLING 22330
High PerformanceNo Warranty
Class 3 CamshaftTRI Lobe Camshaft with +32% Fuel Pump Lobe DiameterDuration @ .050 Intake 224 Degree, Exhaust 238 DegreeFuel Pump Lobe Lash Cap is RequiredNot Computer CompatibleNon DOD CamshaftVVT Lockout Bushing Required
View on
Amazon
MELLING Fits: all 2020 Suburban engines 22331
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High PerformanceNo Warranty
Fitment notes — MELLING 22331
High PerformanceNo Warranty
Class 3 CamshaftTRI Lobe Camshaft with +32% Fuel Pump Lobe DiameterDuration @ .050 Intake 230 Degree, Exhaust 244 DegreeFuel Pump Lobe Lash Cap is RequiredNot Computer CompatibleNon DOD CamshaftVVT Lockout Bushing Required
View on
Amazon
MELLING Fits: all 2020 Suburban engines 22332
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High PerformanceNo Warranty
Fitment notes — MELLING 22332
High PerformanceNo Warranty
Class 3 CamshaftTRI Lobe Camshaft with +32% Fuel Pump Lobe DiameterDuration @ .050 Intake 218 Degree, Exhaust 230 DegreeFuel Pump Lobe Lash Cap is RequiredNot Computer CompatibleNon DOD CamshaftVVT Lockout Bushing Required
View on
Amazon
MELLING Fits: all 2020 Suburban engines 22342
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High Performance
Fitment notes — MELLING 22342
High Performance
Class 3 CamshaftTRI Lobe Camshaft with +32% Fuel Pump Lobe DiameterDuration @ .050 Intake 224 Degree, Exhaust 236 DegreeFuel Pump Lobe Lash Cap is RequiredNot Computer CompatibleNon DOD CamshaftVVT Lockout Bushing Required
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 5.3L V8 12619823
🇺🇸 US 🇨🇦 CA
View on
Amazon
MELLING Popular Fits: 5.3L V8 MC1423
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
MELLING Popular Fits: 6.2L V8 MC1437
🇺🇸 US 🇨🇦 CA
AFM Delete CamshaftThe Vehicles Engine Control Module/Power Train Control Module Must be Reprogrammed To Turn Off The Active Fuel Management System In The Operating Software.
Fitment notes — MELLING MC1437
AFM Delete CamshaftThe Vehicles Engine Control Module/Power Train Control Module Must be Reprogrammed To Turn Off The Active Fuel Management System In The Operating Software.The Valve Lifter Guides Used In Non-Active Fuel Management Engines Are Different From Those Used In Active Fuel Management Engines and Must be Replaced When Installing The Non-Active Fuel Management Lifters.
View on
Amazon
SKP Popular Fits: 5.3L V8 SKMC1423
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
ENGINETECH Fits: 5.3L V8 ES5438
🇺🇸 US
Use roller followers
View on
Amazon
ENGINETECH Fits: 5.3L V8 ES1429
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Displacement On Demand delete camshaft
View on
Amazon
MELLING Fits: 5.3L V8 MC1429
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
DOD Delete CamshaftRequires non-AFM lifters, and lifter guides. AFM must be deleted both mechanically, and electronically. Module programming required
View on
Amazon

This table covers the camshafts that open the valves.

Camshaft Bearing

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 12686894
🇺🇸 US 🇨🇦 CA
COMPLETE ENGINE
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 SH2231S
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
CoatedHigh Performance
View on
Amazon

This table covers the Camshaft 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.

Camshaft Bolt

Brand Part Number Markets Notes Buy
ELRING Fits: all 2020 Suburban engines 857390
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Retainer Bolt
View on
Amazon

This table covers the Camshaft bolts.

Camshaft Dowel Pin

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 24575061
🇺🇸 US 🇨🇦 CA
Outside Diameter (In): 0.185 In
Fitment notes — GM GENUINE 24575061
Outside Diameter (In): 0.185 In
17MM LONG
View on
Amazon

This table covers the Camshaft Dowel pins.

Camshaft Retainer / Thrust Plate

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: all 2020 Suburban engines ES73115
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Camshaft retainer plate & mounting bolts includedComplete Set
Fitment notes — FEL-PRO ES73115
Camshaft retainer plate & mounting bolts includedComplete Set
Will Service Both Recessed Bolt Holes & Flat-Type Bolt Holes
View on
Amazon
MELLING Popular Fits: all 2020 Suburban engines MF127
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
APEX Fits: all 2020 Suburban engines AES319
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Retainer Bolt
View on
Amazon
APEX Fits: all 2020 Suburban engines AES318
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with Mounting Bolts
View on
Amazon
ELRING Fits: all 2020 Suburban engines 857150
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
without Bolts/Screws
Fitment notes — ELRING 857150
without Bolts/Screws
Frontal sidedLS ModelBody code: C15906
Frontal sidedBody code: C15906
View on
Amazon
ELRING Fits: all 2020 Suburban engines 857320
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with Bolts/Screws
Fitment notes — ELRING 857320
with Bolts/Screws
Frontal sidedLS ModelBody code: C15906
Frontal sidedBody code: C15906
View on
Amazon
ENGINETECH Fits: all 2020 Suburban engines CR9016
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Retainer plate with recessed bolt holes
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 12589016
🇺🇸 US 🇨🇦 CA
Includes Seal
Fitment notes — GM GENUINE 12589016
Includes Seal
Use with Bolt 11561455
View on
Amazon

This table covers the Camshaft Retainer / Thrust 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.

Camshaft Seal

Brand Part Number Markets Notes Buy
AJUSA Fits: 6.2L V8 01713900
🇺🇸 US 🇨🇦 CA
View on
Amazon
VICTOR REINZ Fits: all 2020 Suburban engines 711836900
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with Recessed Bolts
View on
Amazon

This table covers the seals at each camshaft end. 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.

Connecting Rod

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.3L V8 12649190
🇺🇸 US 🇨🇦 CA
Material: Forged Steel
View on
Amazon
GM GENUINE Fits: 6.2L V8 12714549
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the connecting rods between each piston and the crankshaft.

Connecting Rod Bearing

High Performance

Brand Part Number Markets Notes Buy
MAHLE / CLEVITE Fits: 5.3L V8 CB663HN
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High PerformanceH Series (Tri-Metal)
Fitment notes — MAHLE / CLEVITE CB663HN
High PerformanceH Series (Tri-Metal)NarrowedPairMax. Length: 0.7920
N
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 CB663HND
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High PerformanceH Series (Tri-Metal)
Fitment notes — MAHLE / CLEVITE CB663HND
High PerformanceH Series (Tri-Metal)Narrowed / Doweled Connecting RodPairMax. Length: 0.7920
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 CB663FN
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High PerformancePair
Fitment notes — MAHLE / CLEVITE CB663FN
High PerformancePairNarrowed
F Series (Tri-Metal)N
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 CB663FND
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High PerformancePair
Fitment notes — MAHLE / CLEVITE CB663FND
High PerformancePairNarrowed / Doweled Connecting Rod
F Series (Tri-Metal)
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 CB663FXN
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High PerformancePair
Fitment notes — MAHLE / CLEVITE CB663FXN
High PerformancePair.001in Extra Oil Clearance / Narrowed
F Series (Tri-Metal)XN
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 CB663FXND
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High PerformancePair
Fitment notes — MAHLE / CLEVITE CB663FXND
High PerformancePair.001in Extra Oil Clearance / Narrowed / Doweled Connecting Rod
F Series (Tri-Metal)XND
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 CB663HXN
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High Performance.001in Extra Oil Clearance / Narrowed
Fitment notes — MAHLE / CLEVITE CB663HXN
High Performance.001in Extra Oil Clearance / NarrowedH Series (Tri-Metal)PairMax. Length: 0.7920
XN (Size: Standard)
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 CB663HXND
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High Performance.001 in Extra Oil Clearance / Narrowed / Doweled Connecting Rod
Fitment notes — MAHLE / CLEVITE CB663HXND
High Performance.001 in Extra Oil Clearance / Narrowed / Doweled Connecting RodH Series (Tri-Metal)PairMax. Length: 0.7920
XND (Size: Standard)
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 CB663HNC
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High PerformanceH Series (Tri-Metal)
Fitment notes — MAHLE / CLEVITE CB663HNC
High PerformanceH Series (Tri-Metal)Narrowed / CoatedPair
NC
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 CB663HXNC
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High Performance.001in Extra Oil Clearance / Narrowed / Coated
Fitment notes — MAHLE / CLEVITE CB663HXNC
High Performance.001in Extra Oil Clearance / Narrowed / CoatedH Series (Tri-Metal)Pair
XNC (Size: Standard)
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 CB663HNDC
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High PerformanceH Series (Tri-Metal)
Fitment notes — MAHLE / CLEVITE CB663HNDC
High PerformanceH Series (Tri-Metal)Narrowed / Doweled Connecting Rod / CoatedPair
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 5.3L V8 BB253J
🇺🇸 US
Set
Fitment notes — ENGINETECH BB253J
Set
Standard OD
View on
Amazon
MAHLE / CLEVITE Popular Fits: 5.3L V8 CB663A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
A Series (Aluminum)Pair
Fitment notes — MAHLE / CLEVITE CB663A
A Series (Aluminum)PairVertical Oil Clearance (maximum): 0.0028
View on
Amazon
MAHLE / CLEVITE Popular Fits: 5.3L V8 CB663P
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
P Series (Tri-Metal)Pair
Fitment notes — MAHLE / CLEVITE CB663P
P Series (Tri-Metal)Pair
Chevrolet Engine
View on
Amazon
MAHLE / CLEVITE Popular Fits: 5.3L V8 CB663A8
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
A Series (Aluminum)Set
Fitment notes — MAHLE / CLEVITE CB663A8
A Series (Aluminum)SetVertical Oil Clearance (maximum): 0.0028
View on
Amazon
MAHLE / CLEVITE Popular Fits: 5.3L V8 CB663P8
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
P Series (Tri-Metal)Set
Fitment notes — MAHLE / CLEVITE CB663P8
P Series (Tri-Metal)SetVertical Oil Clearance (minimum): 0.0007
View on
Amazon
ENGINETECH Fits: 5.3L V8 BB353J
🇺🇸 US
Set
Fitment notes — ENGINETECH BB353J
Set
0.002 Oversized O.D
View on
Amazon
GM GENUINE Fits: 5.3L V8 12668160
🇺🇸 US 🇨🇦 CA
Contains 2 Bearing Inserts
Fitment notes — GM GENUINE 12668160
Contains 2 Bearing Inserts
6 speed Automatic trans.Standard
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 CB1776A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
A Series (Aluminum)Pair
Fitment notes — MAHLE / CLEVITE CB1776A
A Series (Aluminum)Pair
Connecting Rods with Housing Bore Resized .002 IN Larger Than Stock
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 CB1776A8
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
A Series (Aluminum)Set
Fitment notes — MAHLE / CLEVITE CB1776A8
A Series (Aluminum)Set
Connecting Rods with Housing Bore Resized .002 IN Larger Than Stock
View on
Amazon
SEALED POWER Fits: 5.3L V8 2555A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
A-Series Aluminum BearingsStandard Shaft Minimum (Inch): 2.0990 In
View on
Amazon
SEALED POWER Fits: 5.3L V8 82555A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
SetA-Series aluminum bearings
View on
Amazon
Brand Part Number Markets Notes Buy
ENGINETECH Fits: 6.2L V8 BB622J
🇺🇸 US
Set
Fitment notes — ENGINETECH BB622J
Set
Bimetal, polymer coated
View on
Amazon
GM GENUINE Fits: 6.2L V8 12735504
🇺🇸 US 🇨🇦 CA
Contains 2 Bearing Inserts
Fitment notes — GM GENUINE 12735504
Contains 2 Bearing Inserts
Standard
View on
Amazon

This table covers the bearings in the connecting-rod big ends. 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.

Connecting Rod Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.3L V8 11570662
🇺🇸 US 🇨🇦 CA
SINGLE USEM9X44,13
View on
Amazon
GM GENUINE Fits: 6.2L V8 11548432
🇺🇸 US 🇨🇦 CA
M9X1X44
View on
Amazon

This table covers the Connecting Rod bolts.

Conversion / Lower Gasket Set

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: all 2020 Suburban engines CS26744
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes RTV Sealant
View on
Amazon
SKP Popular Fits: all 2020 Suburban engines SKCS26744
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
AJUSA Fits: 5.3L V8 54323200
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
AJUSA Fits: 6.2L V8 54290100
🇺🇸 US 🇨🇦 CA
View on
Amazon
APEX Fits: all 2020 Suburban engines ACS13051
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
ELRING Fits: all 2020 Suburban engines B45740
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Transmission SidedLS Model
Fitment notes — ELRING B45740
Transmission SidedLS ModelBody code: C15906
Transmission SidedBody code: C15906
View on
Amazon
ELRING Fits: 5.3L V8 050740
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
LS ModelBody code: C15906
View on
Amazon
MAHLE / CLEVITE Fits: all 2020 Suburban engines CS54996
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon

This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.

Crankshaft

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.3L V8 12685650
🇺🇸 US 🇨🇦 CA
Main Journal Bushing Width: 0.86 InMaterial: Cast Iron
View on
Amazon

This table covers the crankshafts that turn piston motion into rotation.

Crankshaft Main Bearing

High Performance

Brand Part Number Markets Notes Buy
KING ENGINE BEARINGS Fits: 6.2L V8 MB5013XP
🇺🇸 US 🇨🇦 CA
Race bearings, Trimetal [Pmax Black]Set
View on
Amazon
KING ENGINE BEARINGS Fits: 6.2L V8 MB5013XPX
🇺🇸 US 🇨🇦 CA
Race bearings, Trimetal [Pmax Black]Set
Fitment notes — KING ENGINE BEARINGS MB5013XPX
Race bearings, Trimetal [Pmax Black]Setwith Extra Oil Clearance
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
ENGINETECH Fits: 6.2L V8 BC623J
🇺🇸 US
Set
Fitment notes — ENGINETECH BC623J
Set
Bimetal polymer coated
View on
Amazon
GM GENUINE Fits: 6.2L V8 12729655
🇺🇸 US 🇨🇦 CA
Fits UpperCOMPLETE KIT POSITIONS 1-5
Fitment notes — GM GENUINE 12729655
Fits:
UpperCOMPLETE KIT POSITIONS 1-5
or:
LowerCOMPLETE KIT POSITIONS 1-5
View on
Amazon
MAHLE / CLEVITE Fits: 6.2L V8 MS2339A
🇺🇸 US 🇨🇦 CA
A Series (Aluminum)F1 Coated
Fitment notes — MAHLE / CLEVITE MS2339A
A Series (Aluminum)F1 CoatedSet
View on
Amazon
Brand Part Number Markets Notes Buy
ENGINETECH Fits: 5.3L V8 BC623J
🇺🇸 US
Set
Fitment notes — ENGINETECH BC623J
Set
Bimetal polymer coated
View on
Amazon
ENGINETECH Fits: 5.3L V8 BC500J
🇺🇸 US 🇲🇽 MX
Set
View on
Amazon
GM GENUINE Fits: 5.3L V8 12729654
🇺🇸 US 🇨🇦 CA
Complete Main Bearing Kit Positions 1-5
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 MS2339A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
A Series (Aluminum)F1 Coated
Fitment notes — MAHLE / CLEVITE MS2339A
A Series (Aluminum)F1 CoatedSet
View on
Amazon

This table covers the main bearings that support the crankshaft in the block. 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.

Crankshaft Main Bearing Cap Bolt

Brand Part Number Markets Notes Buy
ELRING Fits: all 2020 Suburban engines B75610
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
LS ModelBody code: C15906
Fitment notes — ELRING B75610
LS ModelBody code: C15906
Body code: C15906
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 11546565
🇺🇸 US 🇨🇦 CA
M8X1.25X25HEX FLANGE
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 11548076
🇺🇸 US 🇨🇦 CA
M10X2X96
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 11548075
🇺🇸 US 🇨🇦 CA
M10X2X82
View on
Amazon

This table covers the Crankshaft Main Bearing Cap bolts.

Crankshaft Seal

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: all 2020 Suburban engines BS40765
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
PTFE RubberIncludes Sleeve
Fitment notes — FEL-PRO BS40765
PTFE RubberIncludes Sleeve
Rear1 Piece
View on
Amazon
GM GENUINE Popular Fits: all 2020 Suburban engines 12634614
🇺🇸 US 🇨🇦 CA
Material: Steel PlasticSeal Type: Spring Loaded Multi Lip
Fitment notes — GM GENUINE 12634614
Material: Steel PlasticSeal Type: Spring Loaded Multi LipFront
View on
Amazon
GM GENUINE Popular Fits: all 2020 Suburban engines 12665076
🇺🇸 US 🇨🇦 CA
Rear6 speed Automatic trans.
Fitment notes — GM GENUINE 12665076
Rear6 speed Automatic trans.Single Use
Rear10 Speed TransmissionSingle Use
View on
Amazon
GM GENUINE Popular Fits: 6.2L V8 89060436
🇺🇸 US 🇨🇦 CA
RearReverse Lip Seal
View on
Amazon
APEX Fits: all 2020 Suburban engines ATC13510
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Seal Only
Fitment notes — APEX ATC13510
Seal Only
Front
View on
Amazon
APEX Fits: all 2020 Suburban engines ABS1351
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear
View on
Amazon
APEX Fits: all 2020 Suburban engines ABS1355
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rearwith Housing
View on
Amazon
ELRING Fits: all 2020 Suburban engines 722810
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Inner Diameter [mm]: 54Material: FPM (Fluoride Rubber)
Fitment notes — ELRING 722810
Inner Diameter [mm]: 54Material: FPM (Fluoride Rubber)Radial Shaft Seal Design: ASW of
LS ModelBody code: C15906
Body code: C15906
View on
Amazon
ELRING Fits: all 2020 Suburban engines 464250
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Material: ACM (Polyacrylate)Radial Shaft Seal Design: ASW
Fitment notes — ELRING 464250
Material: ACM (Polyacrylate)Radial Shaft Seal Design: ASW
LS ModelBody code: C15906
Body code: C15906
View on
Amazon
ENGINETECH Fits: 5.3L V8 SK1755
🇺🇸 US
PTFE/Viton
Fitment notes — ENGINETECH SK1755
PTFE/Viton
Rearwith Housing GasketStandardRotation
View on
Amazon
FEL-PRO Fits: all 2020 Suburban engines TCS46221
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
FrontRecommend replacing Engine Crankshaft Pulley Bolt with FEL-Pro 73372
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 JV1755
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
Fitment notes — MAHLE / CLEVITE JV1755
Set
Rear
View on
Amazon
VICTOR REINZ Fits: all 2020 Suburban engines 811058700
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front
View on
Amazon
VICTOR REINZ Fits: all 2020 Suburban engines 811058800
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear
View on
Amazon

This table covers the front and rear seals that keep oil in at the crankshaft. 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.

Crankshaft Seal Cover

Brand Part Number Markets Notes Buy
DORMAN Fits: all 2020 Suburban engines 635786
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 12705663
🇺🇸 US 🇨🇦 CA
Rear6 speed Automatic trans.
Fitment notes — GM GENUINE 12705663
Rear6 speed Automatic trans.
Rear10 Speed Transmission
View on
Amazon
GM GENUINE Fits: 6.2L V8 12705665
🇺🇸 US 🇨🇦 CA
Rear
View on
Amazon

This table covers the Crankshaft Seal covers.

Crankshaft Seal Gasket

Brand Part Number Markets Notes Buy
ELRING Fits: all 2020 Suburban engines 837760
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Transmission SidedLS Model
Fitment notes — ELRING 837760
Transmission SidedLS ModelBody code: C15906
Transmission SidedBody code: C15906
View on
Amazon
ELRING Fits: 5.3L V8 451040
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
UpperRWD
Fitment notes — ELRING 451040
UpperRWDLS ModelBody code: C15906
View on
Amazon
ELRING Fits: all 2020 Suburban engines 860570
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
LS ModelBody code: C15906
Fitment notes — ELRING 860570
LS ModelBody code: C15906
Body code: C15906
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 12627520
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 12627520
Black
Rear
View on
Amazon

This table covers the gaskets that seal the Crankshaft Seal. 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.

Cylinder Deactivation Delete

Brand Part Number Markets Notes Buy
MELLING Fits: 5.3L V8 MDK400
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Does Not Include HP engine tuner for disabling the AFM in the engine control moduleWhen Installing A Delete CAM, The Active Fuel Management Lifters Must be Replaced Using Non-Active Fuel Management Lifters.
Fitment notes — MELLING MDK400
Does Not Include HP engine tuner for disabling the AFM in the engine control moduleWhen Installing A Delete CAM, The Active Fuel Management Lifters Must be Replaced Using Non-Active Fuel Management Lifters.The Valve Lifter Guides Used In Non-Active Fuel Management Engines Are Different From Those Used In Active Fuel Management Engines and Must be Replaced When Installing The Non-Active Fuel Management Lifters.The VLOM Must be Replaced with A Non-Active Fuel Management Valley Cover.
View on
Amazon
MELLING Fits: 5.3L V8 MDK400HPT
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes HP engine tuner For disabling The AFM In The engine control module
Fitment notes — MELLING MDK400HPT
Includes HP engine tuner For disabling The AFM In The engine control module
When Installing A Delete CAM, The Active Fuel Management Lifters Must be Replaced Using Non-Active Fuel Management Lifters.The Valve Lifter Guides Used In Non-Active Fuel Management Engines Are Different From Those Used In Active Fuel Management Engines and Must be Replaced When Installing The Non-Active Fuel Management Lifters.The VLOM Must be Replaced with A Non-Active Fuel Management Valley Cover.
View on
Amazon
MELLING Fits: 6.2L V8 MDK700
🇺🇸 US 🇨🇦 CA
Does Not Include HP engine tuner for disabling the AFM in the engine control moduleWhen Installing A Delete CAM, The Active Fuel Management Lifters Must be Replaced Using Non-Active Fuel Management Lifters.
Fitment notes — MELLING MDK700
Does Not Include HP engine tuner for disabling the AFM in the engine control moduleWhen Installing A Delete CAM, The Active Fuel Management Lifters Must be Replaced Using Non-Active Fuel Management Lifters.The Valve Lifter Guides Used In Non-Active Fuel Management Engines Are Different From Those Used In Active Fuel Management Engines and Must be Replaced When Installing The Non-Active Fuel Management Lifters.The VLOM Must be Replaced with A Non-Active Fuel Management Valley Cover.
View on
Amazon
MELLING Fits: 6.2L V8 MDK700HPT1
🇺🇸 US 🇨🇦 CA
When Installing A Delete CAM, The Active Fuel Management Lifters Must be Replaced Using Non-Active Fuel Management Lifters.The Valve Lifter Guides Used In Non-Active Fuel Management Engines Are Different From Those Used In Active Fuel Management Engines and Must be Replaced When Installing The Non-Active Fuel Management Lifters.
Fitment notes — MELLING MDK700HPT1
When Installing A Delete CAM, The Active Fuel Management Lifters Must be Replaced Using Non-Active Fuel Management Lifters.The Valve Lifter Guides Used In Non-Active Fuel Management Engines Are Different From Those Used In Active Fuel Management Engines and Must be Replaced When Installing The Non-Active Fuel Management Lifters.The VLOM Must be Replaced with A Non-Active Fuel Management Valley Cover.
View on
Amazon

This table covers the kits that disable cylinder deactivation.

Cylinder Deactivation Delete Block-Off Plug

Brand Part Number Markets Notes Buy
MELLING Fits: 5.3L V8 MDKP1
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Block-Off PlugContains 8 Plugs
Fitment notes — MELLING MDKP1
Block-Off PlugContains 8 Plugs
Use with MDK300, MDK400, and MDK500 DOD Delete KitGen 4 & 5 LS/LT DOD Block Off Plug
View on
Amazon

This table covers the Cylinder Deactivation Delete Block-Off plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.

Cylinder Deactivation Solenoid

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 12697806
🇺🇸 US 🇨🇦 CA
LESS LIFTERS
Fitment notes — GM GENUINE 12697806
LESS LIFTERS
10 Speed Automatic Trans.Less Lifters
View on
Amazon

This table covers the Cylinder Deactivation solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid.

Cylinder Head

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 6.2L V8 12699617
🇺🇸 US 🇨🇦 CA
Exhaust Valve Diameter: 1.59 In
View on
Amazon

This table covers the cylinder heads that close the top of the block.

Cylinder Head Alignment Dowel Pin

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 12570326
🇺🇸 US 🇨🇦 CA
6 speed Automatic trans.
Fitment notes — GM GENUINE 12570326
6 speed Automatic trans.
10 speed Automatic trans.
View on
Amazon
GM GENUINE Fits: 5.3L V8 90351710
🇺🇸 US 🇨🇦 CA
Fits 6 speed Automatic trans.Enhanced Towing Performance Package (NHT)
Fitment notes — GM GENUINE 90351710
Fits:
6 speed Automatic trans.Enhanced Towing Performance Package (NHT)Cylinder Head Location18.5mm OD
or:
6 speed Automatic trans.Except Enhanced Towing Performance Package (NHT)Cylinder Head Location18.5mm OD
View on
Amazon
PIONEER Fits: 5.3L V8 S1115
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
PIONEER Fits: 5.3L V8 PG525
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon

This table covers the Cylinder Head Alignment Dowel pins.

Cylinder Head Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: all 2020 Suburban engines 11546959
🇺🇸 US 🇨🇦 CA
M12X1.75X134
View on
Amazon
APEX Fits: all 2020 Suburban engines AHB1351
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
View on
Amazon
FEL-PRO Fits: all 2020 Suburban engines ES73121
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
Fitment notes — FEL-PRO ES73121
Set
Head Bolts with Washers
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 11611976
🇺🇸 US 🇨🇦 CA
M12X1.75X102
View on
Amazon
MAHLE / CLEVITE Fits: all 2020 Suburban engines GS33938
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Cylinder Head Bolt KitSet
View on
Amazon

This table covers the bolts that clamp the cylinder head to the block.

Cylinder Head Gasket

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: 5.3L V8 26744PT
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Perma TorqueMLS
View on
Amazon
FEL-PRO Popular Fits: 6.2L V8 26749PT
🇺🇸 US 🇨🇦 CA
Perma TorqueMLS
View on
Amazon
GM GENUINE Popular Fits: 5.3L V8 12622325
🇺🇸 US 🇨🇦 CA
Cylinder Bore Diameter: 3.84 In
Fitment notes — GM GENUINE 12622325
Cylinder Bore Diameter: 3.84 In
HEAD BOLT REPLACEMENT REQUIRED
View on
Amazon
GM GENUINE Popular Fits: 6.2L V8 12688943
🇺🇸 US 🇨🇦 CA
NEW HEAD BOLTS REQ'D WHEN HEAD IS REMOVED
View on
Amazon
AJUSA Fits: 5.3L V8 10264700
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Multi Layered Steel
Fitment notes — AJUSA 10264700
Multi Layered Steel
97.5 Bore Diameter
View on
Amazon
APEX Fits: 6.2L V8 AHG1356
🇺🇸 US 🇨🇦 CA
View on
Amazon
ELRING Fits: 5.3L V8 043440
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Diameter [MM]: 97,4Installed Thickness [MM]: 1,83
Fitment notes — ELRING 043440
Diameter [MM]: 97,4Installed Thickness [MM]: 1,83Material: Multi-Layer Steel (MLS)
LS ModelBody code: C15906
View on
Amazon
ELRING Fits: 6.2L V8 244421
🇺🇸 US 🇨🇦 CA
Installed Thickness [MM]: 1,33
Fitment notes — ELRING 244421
Installed Thickness [MM]: 1,33
Body code: C15906
View on
Amazon
ENGINE PRO Fits: 5.3L V8 2812622325
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Number of Layers: 5
View on
Amazon
ENGINE PRO Fits: 5.3L V8 2812058420
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Number of Layers: 7
View on
Amazon
ENGINE PRO Fits: 6.2L V8 2812654622
🇺🇸 US 🇨🇦 CA
Number of Layers: 7
View on
Amazon
ENGINE PRO Fits: 6.2L V8 2812688943
🇺🇸 US 🇨🇦 CA
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 54996
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Multi-Layered Steel
View on
Amazon
MAHLE / CLEVITE Fits: 6.2L V8 55332
🇺🇸 US 🇨🇦 CA
Multi-Layered Steel
View on
Amazon
VICTOR REINZ Fits: 5.3L V8 611078000
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon

This table covers the head gaskets that seal the block to the cylinder head. 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.

Cylinder Head Gasket Set

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: 6.2L V8 HS26749PT
🇺🇸 US 🇨🇦 CA
Includes Permadry Molded Rubber Valve Cover Gasket(s), Valve Stem Seals
View on
Amazon
GM GENUINE Popular Fits: 5.3L V8 12700996
🇺🇸 US 🇨🇦 CA
6 speed Automatic trans.Includes Intake and Exhaust Manifold Gasket, Throttle Body, Cylinder Head And Valve Rocker Arm
View on
Amazon
GM GENUINE Popular Fits: 6.2L V8 19433116
🇺🇸 US 🇨🇦 CA
Contains Head Gaskets (Quantity 2), Exhaust Manifold Gaskets (Quantity 2), Intake Gaskets (Quantity 8), Valve Cover Gaskets (Quantity 2) and Throttle Body Gasket (Quantity 1)
Fitment notes — GM GENUINE 19433116
Contains Head Gaskets (Quantity 2), Exhaust Manifold Gaskets (Quantity 2), Intake Gaskets (Quantity 8), Valve Cover Gaskets (Quantity 2) and Throttle Body Gasket (Quantity 1)
10 speed Automatic trans.
View on
Amazon
SKP Popular Fits: 5.3L V8 SKHS54996
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
AJUSA Fits: 5.3L V8 52614200
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Complete Set
View on
Amazon
ENGINETECH Fits: 5.3L V8 C325HSD
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with MLS head gaskets
View on
Amazon
ENGINETECH Fits: 6.2L V8 C376HSB
🇺🇸 US
with MLS head gaskets
View on
Amazon
FEL-PRO Fits: 5.3L V8 HS26744PT
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Permadry Molded Rubber Valve Cover Gasket(s), Valve Stem Seals
View on
Amazon
FEL-PRO Fits: 5.3L V8 HS26744PTVK
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Head Bolts, Permadry Molded Rubber Valve Cover Gasket(s), Valve Stem Seals
Fitment notes — FEL-PRO HS26744PTVK
Includes Head Bolts, Permadry Molded Rubber Valve Cover Gasket(s), Valve Stem Seals
Head Bolts with WashersHead Bolt Replacement Recommended
View on
Amazon
FEL-PRO Fits: 6.2L V8 HS26749APTVK
🇺🇸 US 🇨🇦 CA
Includes Head Bolts, Permadry Molded Rubber Valve Cover Gasket(s), Valve Stem Seals
Fitment notes — FEL-PRO HS26749APTVK
Includes Head Bolts, Permadry Molded Rubber Valve Cover Gasket(s), Valve Stem Seals
Head Bolts with WashersHead Bolt Replacement Recommended
View on
Amazon
ITM ENGINE COMPONENTS Fits: 6.2L V8 0910306
🇺🇸 US 🇨🇦 CA
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 HS54996
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Valve Stem Seals
View on
Amazon
MAHLE / CLEVITE Fits: 6.2L V8 HS55332
🇺🇸 US 🇨🇦 CA
Includes Valve Stem Seals
View on
Amazon
VICTOR REINZ Fits: 5.3L V8 021102301
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon

This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.

Cylinder Head Plug

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 6.2L V8 24502262
🇺🇸 US 🇨🇦 CA
1.014 OD,.32 THK,FROM .05 THK 304 STAINLESS
View on
Amazon

This table covers the Cylinder Head plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.

Cylinder Repair Sleeve

Brand Part Number Markets Notes Buy
MELLING Fits: 5.3L V8 CSL355F
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Aluminum Cylinder Block OnlySemi Finished Inside Diameter
View on
Amazon

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

Engine Block Drain Plug

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 11602951
🇺🇸 US 🇨🇦 CA
M28X1.25X18
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 11546667
🇺🇸 US 🇨🇦 CA
Thread Diameter (In): 0.63 In
Fitment notes — GM GENUINE 11546667
Thread Diameter (In): 0.63 In
M16X1.5X16.25
View on
Amazon

This table covers the Engine Block drain plugs.

Engine Block Heater

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 12586687
🇺🇸 US 🇨🇦 CA
Engine Block Heater (K05)
View on
Amazon
KAT'S HEATERS Fits: 6.2L V8 28510
🇺🇸 US 🇨🇦 CA
Engine Heater Replacement Cord
Fitment notes — KAT'S HEATERS 28510
Engine Heater Replacement Cord
120 Volts18 Gauge3 Wire3 Prong5 ft.with ThermostatEasiest Mounting Location: Left Front
View on
Amazon

This table covers the block heaters that warm the coolant or oil in cold weather.

Engine Cover

Brand Part Number Markets Notes Buy
TECHPRO Fits: all 2020 Suburban engines GM1228194
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Lower
View on
Amazon
VARIOUS MFR Fits: all 2020 Suburban engines GM1228194
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
CAPA Certified
Fitment notes — VARIOUS MFR GM1228194
CAPA Certified
Front Lower [CAPA Certified]
View on
Amazon

This table covers the Engine covers.

Engine Cover Grommet

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 12594875
🇺🇸 US 🇨🇦 CA
Material: Rubber
Fitment notes — GM GENUINE 12594875
Material: Rubber
Top
View on
Amazon

This table covers the Engine Cover grommets.

Engine Kit Gasket Set

Brand Part Number Markets Notes Buy
AJUSA Fits: 5.3L V8 50552300
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
AJUSA Fits: 6.2L V8 50530700
🇺🇸 US 🇨🇦 CA
View on
Amazon
ELRING Fits: 5.3L V8 919250
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with crankshaft sealwithout valve stem seals
Fitment notes — ELRING 919250
with crankshaft sealwithout valve stem seals
LS ModelBody code: C15906
View on
Amazon
ELRING Fits: 6.2L V8 919310
🇺🇸 US 🇨🇦 CA
with crankshaft sealwithout valve stem seals
Fitment notes — ELRING 919310
with crankshaft sealwithout valve stem seals
Body code: C15906
View on
Amazon
FEL-PRO Fits: 5.3L V8 2603198
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Permadry Molded Rubber Valve Cover Gasket(s), RTV Sealant
View on
Amazon
FEL-PRO Fits: 6.2L V8 2603203
🇺🇸 US 🇨🇦 CA
Includes Permadry Molded Rubber Valve Cover Gasket(s), RTV Sealant
View on
Amazon

This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.

Exhaust Valve

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 5.3L V8 12678745
🇺🇸 US 🇨🇦 CA
Valve Head Diameter: 0.84 In
View on
Amazon
ENGINETECH Fits: 5.3L V8 V3433
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
.3136 stem1.5mm55 Head
View on
Amazon
GM GENUINE Fits: 6.2L V8 12678746
🇺🇸 US 🇨🇦 CA
Valve Head Diameter: 0.86 In
View on
Amazon
MELLING Fits: 5.3L V8 V3433
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
MELLING Fits: 6.2L V8 V5815
🇺🇸 US 🇨🇦 CA
View on
Amazon
QUALCAST Fits: 5.3L V8 1013433
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
1.555 Head Dia. 0.3136 Stem 5.207 OAL
View on
Amazon
QUALCAST Fits: 6.2L V8 1030815
🇺🇸 US 🇨🇦 CA
1.594 Head Diameter.
View on
Amazon
SBI Fits: 5.3L V8 13433
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the exhaust valves that let combustion gas out of the cylinder. 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.

Fuel Pump Camshaft Follower

Brand Part Number Markets Notes Buy
WELLS Fits: all 2020 Suburban engines 5T5014
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Guide and Follower
View on
Amazon

This table covers the followers that drive a mechanical fuel pump off the camshaft.

Harmonic Balancer

Brand Part Number Markets Notes Buy
ATP Fits: all 2020 Suburban engines 102406
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
DORMAN Fits: all 2020 Suburban engines 594716
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 12684590
🇺🇸 US 🇨🇦 CA
View on
Amazon
ULTRA-POWER Fits: all 2020 Suburban engines 594716
🇺🇸 US 🇨🇦 CA
DIRECT REPL
View on
Amazon

This table covers the crankshaft pulleys / harmonic balancers at the front of the engine.

Harmonic Balancer Bolt

Brand Part Number Markets Notes Buy
FEL-PRO Fits: all 2020 Suburban engines 73372
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 11547372
🇺🇸 US 🇨🇦 CA
M16X2X103
View on
Amazon

This table covers the Harmonic Balancer bolts.

Intake Manifold

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.3L V8 12748173
🇺🇸 US 🇨🇦 CA
View on
Amazon
GM GENUINE Fits: 6.2L V8 12748172
🇺🇸 US 🇨🇦 CA
View on
Amazon
VAICO Fits: 5.3L V8 V510597
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
VAICO Fits: 6.2L V8 V570113
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the Intake manifolds. Typical signs include an exhaust tick, a vacuum leak, or a gasket that has burned through. Replace the gaskets and hardware; a warped flange will leak with a new gasket alone.

Intake Manifold Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 11610472
🇺🇸 US 🇨🇦 CA
M6X1X50.65
View on
Amazon
GM GENUINE Fits: 5.3L V8 11611692
🇺🇸 US 🇨🇦 CA
M6X2.65X30
View on
Amazon

This table covers the Intake Manifold bolts.

Intake Manifold Gasket

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: all 2020 Suburban engines MS97402
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
Fitment notes — FEL-PRO MS97402
Set
Lower
View on
Amazon
GM GENUINE Popular Fits: all 2020 Suburban engines 12626354
🇺🇸 US 🇨🇦 CA
View on
Amazon
MAHLE / CLEVITE Popular Fits: 5.3L V8 MS19945
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
SetMolded Rubber
View on
Amazon
APEX Fits: all 2020 Suburban engines AMS13511
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
Fitment notes — APEX AMS13511
Set
Lift Valley Cover Set
View on
Amazon
APEX Fits: all 2020 Suburban engines AMS13510
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
View on
Amazon
ELRING Fits: all 2020 Suburban engines 449780
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Material: Fluoroelastomer (FPM/FKM)
Fitment notes — ELRING 449780
Material: Fluoroelastomer (FPM/FKM)
LS ModelBody code: C15906
Body code: C15906
View on
Amazon
ENGINETECH Fits: 5.3L V8 IC325A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Engine VIN Code 0,3,J,MValley Pan Set
Fitment notes — ENGINETECH IC325A
Engine VIN Code 0,3,J,MValley Pan SetUsed when servicing AFM solenoids
View on
Amazon
FEL-PRO Fits: all 2020 Suburban engines MS97404
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Valley Gasket
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 MS19944
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
SetMolded Rubber
Fitment notes — MAHLE / CLEVITE MS19944
SetMolded Rubber
Valley Pan Gasket
View on
Amazon
MAHLE / CLEVITE Fits: all 2020 Suburban engines MIS19945
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Contains Intake Gaskets, Valley Pan Gasket, Fuel injection Seals Needed For Intake InstallationMaster Set
Fitment notes — MAHLE / CLEVITE MIS19945
Contains Intake Gaskets, Valley Pan Gasket, Fuel injection Seals Needed For Intake InstallationMaster SetMolded Rubber
View on
Amazon
VICTOR REINZ Fits: all 2020 Suburban engines 111086701
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Valley Pan
View on
Amazon
VICTOR REINZ Fits: all 2020 Suburban engines 111081902
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
Fitment notes — VICTOR REINZ 111081902
Set
Lower
View on
Amazon

This table covers the gaskets between the intake manifold and the cylinder head. 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.

Intake Valve

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 5.3L V8 12619825
🇺🇸 US 🇨🇦 CA
Original Equipment Replacement: YesValve Material: Steel
View on
Amazon
ENGINETECH Fits: 5.3L V8 V3432
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
.3136 stem1.929 Head
View on
Amazon
MELLING Fits: 5.3L V8 V3432
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
MELLING Fits: 6.2L V8 V5814
🇺🇸 US 🇨🇦 CA
Solid Valve Stem
View on
Amazon
MELLING Fits: 6.2L V8 V5814HS
🇺🇸 US 🇨🇦 CA
Hollow Valve Stem
View on
Amazon
QUALCAST Fits: 5.3L V8 1013432
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
1.929 Head Dia. 0.3136 Stem 5.211 OAL
View on
Amazon
QUALCAST Fits: 6.2L V8 1030814
🇺🇸 US 🇨🇦 CA
2.125 Head Diameter.
View on
Amazon
SBI Fits: 5.3L V8 13432
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. 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.

Motor Mount

Economy

Brand Part Number Markets Notes Buy
SKP Fits: all 2020 Suburban engines SKMA5738
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Right
View on
Amazon
SKP Fits: all 2020 Suburban engines SKMA5739
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Left
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
ANCHOR Popular Fits: all 2020 Suburban engines 3275
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front LeftTechnical Service Bulletin (TSB) 17-NA-166
Fitment notes — ANCHOR 3275
Front LeftTechnical Service Bulletin (TSB) 17-NA-166Reuse OE Heat ShieldHydraulic
View on
Amazon
ANCHOR Popular Fits: all 2020 Suburban engines 3276
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front RightTechnical Service Bulletin (TSB) 17-NA-166
Fitment notes — ANCHOR 3276
Front RightTechnical Service Bulletin (TSB) 17-NA-166Reuse OE Heat ShieldHydraulic
View on
Amazon
ANCHOR Popular Fits: all 2020 Suburban engines 3565
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Leftwith Heat Shield
Fitment notes — ANCHOR 3565
Front Leftwith Heat ShieldHydraulic
View on
Amazon
ANCHOR Popular Fits: all 2020 Suburban engines 3566
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Rightwith Heat Shield
Fitment notes — ANCHOR 3566
Front Rightwith Heat ShieldHydraulic
View on
Amazon
DEA / MARMON RIDE CONTROL Fits: all 2020 Suburban engines A5738
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Right
Fitment notes — DEA / MARMON RIDE CONTROL A5738
Front Right
Mounting Bracket Included: YES
View on
Amazon
DEA / MARMON RIDE CONTROL Fits: all 2020 Suburban engines A5739
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Left
Fitment notes — DEA / MARMON RIDE CONTROL A5739
Front Left
Mounting Bracket Included: YES
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 85579398
🇺🇸 US 🇨🇦 CA
Bracket Color: Black
Fitment notes — GM GENUINE 85579398
Bracket Color: Black
Left6 speed Automatic trans.
Fits:
Left6 speed Automatic trans.or Left10 speed Automatic trans.
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 85579397
🇺🇸 US 🇨🇦 CA
Bracket Color: Black
Fitment notes — GM GENUINE 85579397
Bracket Color: Black
Right6 speed Automatic trans.
Fits:
Right6 speed Automatic trans.or Right10 speed Automatic trans.
View on
Amazon
PIONEER Fits: all 2020 Suburban engines 613276
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Rightwithout Bracket and Heatshield
View on
Amazon
PIONEER Fits: all 2020 Suburban engines 613275
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Leftwithout Bracket and Heatshield
View on
Amazon
PIONEER Fits: all 2020 Suburban engines 610007
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front RightCOMPLETE ASSEMBLY
View on
Amazon
PIONEER Fits: all 2020 Suburban engines 610006
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front LeftComplete Assembly
View on
Amazon
WESTAR Fits: all 2020 Suburban engines EM4173
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Does Not Include Heat Shield
Fitment notes — WESTAR EM4173
Does Not Include Heat Shield
Front LeftReuse OEM Heat Shield
View on
Amazon
WESTAR Fits: all 2020 Suburban engines EM4174
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front RightReuse OEM Heat Shield
View on
Amazon
WESTAR Fits: all 2020 Suburban engines EM4539
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Rightwith Heat Shield
View on
Amazon
WESTAR Fits: all 2020 Suburban engines EM4538
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front Leftwith Heat Shield
View on
Amazon

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

Motor Mount Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 11588273
🇺🇸 US 🇨🇦 CA
Single Use10MMX1.5X40MM
Fitment notes — GM GENUINE 11588273
Single Use10MMX1.5X40MMSupport Bracket Bolt
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 11517639
🇺🇸 US 🇨🇦 CA
To Frame Bracket12X1.75X44,35THD
Fitment notes — GM GENUINE 11517639
To Frame Bracket12X1.75X44,35THDSupport Bracket Bolt
View on
Amazon

This table covers the Motor Mount bolts.

Motor Mount Kit

Brand Part Number Markets Notes Buy
ANCHOR Popular Fits: all 2020 Suburban engines 300863
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
RWDwith Engine Mount Heat Shield
View on
Amazon
ANCHOR Popular Fits: all 2020 Suburban engines 300862
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
4WD6 speed trans.
Fitment notes — ANCHOR 300862
4WD6 speed trans.with Engine Mount Heat Shields
View on
Amazon
ANCHOR Fits: all 2020 Suburban engines 300008
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
RWDReuse OE Heat Shields
View on
Amazon
ANCHOR Fits: all 2020 Suburban engines 300010
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
4WD6 speed trans.
Fitment notes — ANCHOR 300010
4WD6 speed trans.Reuse OE Heat Shields
View on
Amazon
ANCHOR Fits: all 2020 Suburban engines 300009
🇺🇸 US 🇨🇦 CA
4WD10 speed trans.
Fitment notes — ANCHOR 300009
4WD10 speed trans.Reuse OE Heat Shields
View on
Amazon
ANCHOR Fits: all 2020 Suburban engines 300861
🇺🇸 US 🇨🇦 CA
4WD10 speed trans.
Fitment notes — ANCHOR 300861
4WD10 speed trans.with Engine Mount Heat Shields
View on
Amazon

This table covers the Motor Mount kits.

Oil

Summary: Notes list SAE 0W-20. Confirm the engine and the weight on the filler cap before you buy. Replacement brands in this table include LIQUI MOLY, MOBIL and VALVOLINE.

Full Synthetic

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: all 2020 Suburban engines 109302
🇺🇸 US
dexos 1 Gen 2 New Formulation or 0W-20(DEXOS1 GEN 3) X 6Full Synthetic
Fitment notes — ACDELCO 109302
dexos 1 Gen 2 New Formulation or 0W-20(DEXOS1 GEN 3) X 6Full Synthetic1 Quart
View on
Amazon
LIQUI MOLY Popular Fits: all 2020 Suburban engines 20438
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Molygen New Generation 0W-205 Liter
View on
Amazon
LIQUI MOLY Popular Fits: all 2020 Suburban engines 22046
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Top Tec 6600 0W-205 Liter
View on
Amazon
MOBIL Popular Fits: all 2020 Suburban engines 124184
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
0W-20Mobil 1 Advanced Fuel Economy
Fitment notes — MOBIL 124184
0W-20Mobil 1 Advanced Fuel EconomyFull SyntheticSAE 0W-201 Quart
View on
Amazon
VALVOLINE Popular Fits: all 2020 Suburban engines VV916
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Protection Full Synthetic SAE 0W-201 Quart
View on
Amazon
LIQUI MOLY Fits: all 2020 Suburban engines 2207
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Special TEC AA 0W-201 Liter
Fitment notes — LIQUI MOLY 2207
Special TEC AA 0W-201 LiterAPI SP, Ilsac GF-6A
View on
Amazon
LIQUI MOLY Fits: all 2020 Suburban engines 20436
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Molygen New Generation 0W-201 Liter
View on
Amazon
LIQUI MOLY Fits: all 2020 Suburban engines 22044
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Top Tec 6600 0W-201 Liter
View on
Amazon
LIQUI MOLY Fits: all 2020 Suburban engines 2208
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Special Tec AA 0W-205 Liter
View on
Amazon
LIQUI MOLY Fits: all 2020 Suburban engines 22048
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Top Tec 6600 0W-2020 Liter
View on
Amazon
LUCAS OIL Fits: all 2020 Suburban engines 10564
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
FULL SYNTHETIC MOTOR OIL SAE 0W-201 qt
View on
Amazon
LUCAS OIL Fits: all 2020 Suburban engines 18003
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Full Synthetic Motor Oil SAE 0W-206 Gallon
View on
Amazon
MOBIL Fits: all 2020 Suburban engines 120926
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Extended Performance 0W-20Mobil 1 Extended Performance
Fitment notes — MOBIL 120926
Extended Performance 0W-20Mobil 1 Extended PerformanceFull SyntheticSAE 0W-201 Quart
View on
Amazon
MOBIL Fits: all 2020 Suburban engines 124592
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Truck & SUV 0W-20Mobil 1 Truck & SUV
Fitment notes — MOBIL 124592
Truck & SUV 0W-20Mobil 1 Truck & SUVFull SyntheticSAE 0W-201 Quart
View on
Amazon
PENTOSIN Fits: all 2020 Suburban engines 8044210
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
0W-20-Pentospeed-DEXOS1 GEN31 Liter
View on
Amazon
PENTOSIN Fits: all 2020 Suburban engines 8044212
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
0W-20-Pentospeed-DEXOS1 GEN35 Liters
View on
Amazon
VALVOLINE Fits: all 2020 Suburban engines 891682
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Extended Protection Full Synthetic SAE 0W-201 Quart
View on
Amazon
VALVOLINE Fits: 5.3L V8 904536
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Restore & Protect Full Synthetic SAE 0W-201 Quart
View on
Amazon
VALVOLINE Fits: 5.3L V8 904538
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Restore & Protect Full Synthetic SAE 0W-205 Quart
View on
Amazon
VALVOLINE Fits: all 2020 Suburban engines 881150
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Advanced Protection Full Synthetic SAE 0W-20Easy Pour 5 Quart
View on
Amazon

High Mileage (>75,000 Miles)

Brand Part Number Markets Notes Buy
MOBIL Fits: all 2020 Suburban engines 122535
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High Mileage 0W-20Mobil 1 High Mileage
Fitment notes — MOBIL 122535
High Mileage 0W-20Mobil 1 High MileageFull SyntheticSAE 0W-201 Quart
View on
Amazon
MOBIL Fits: all 2020 Suburban engines 123836
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Extended Performance High Mileage 0W-20Extended Performance High Mileage Synthetic Motor Oil 0W-20, 1 Quart
View on
Amazon

This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable.

Oil Cooler Gasket

Brand Part Number Markets Notes Buy
DORMAN Popular Fits: all 2020 Suburban engines 66219
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Seals Two Pipes
View on
Amazon
GM GENUINE Popular Fits: all 2020 Suburban engines 23129010
🇺🇸 US 🇨🇦 CA
Engine Oil Cooling System (KC4)
View on
Amazon
ELRING Fits: all 2020 Suburban engines 836150
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Oil Sump,LeftLS Model
Fitment notes — ELRING 836150
Oil Sump,LeftLS ModelBody code: C15906
Oil Sump,LeftBody code: C15906
View on
Amazon
FEL-PRO Fits: all 2020 Suburban engines 73160
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Fits with Dual Round PortAdapteror with Dual Round Port
Fitment notes — FEL-PRO 73160
Fits:
with Dual Round PortAdapteror with Dual Round PortOil Pan Cover
View on
Amazon
FEL-PRO Fits: all 2020 Suburban engines 73127
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with Dual Round PortOil Cooler Line
View on
Amazon
MAHLE / CLEVITE Fits: all 2020 Suburban engines B33562
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Engine Oil Cooler GasketMolded Rubber
Fitment notes — MAHLE / CLEVITE B33562
Engine Oil Cooler GasketMolded Rubber
Oil Cooler Line Dual Round Port
View on
Amazon
VICTOR REINZ Fits: all 2020 Suburban engines 711777900
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon

This table covers the gaskets that seal the Oil Cooler. 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.

Oil Cooler Line

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 84791853
🇺🇸 US 🇨🇦 CA
Engine Oil Cooling System (KC4)
View on
Amazon

This table covers the Oil Cooler lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early.

Oil Cooler Line Connector

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 23378668
🇺🇸 US 🇨🇦 CA
View on
Amazon

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

Oil Cooler Seal

Brand Part Number Markets Notes Buy
ELRING Fits: all 2020 Suburban engines B17840
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
LS ModelBody code: C15906
Fitment notes — ELRING B17840
LS ModelBody code: C15906
Body code: C15906
View on
Amazon

This table covers the seals at the Oil Cooler. 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.

Oil Dipstick / Tube

Brand Part Number Markets Notes Buy
DORMAN Fits: all 2020 Suburban engines 918665
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Dipstick Only
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 12652951
🇺🇸 US 🇨🇦 CA
Tube Only
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 12643278
🇺🇸 US 🇨🇦 CA
Dipstick Only
View on
Amazon

This table covers the Oil Dipstick tubes.

Oil Dipstick / Tube Seal

Brand Part Number Markets Notes Buy
ELRING Fits: all 2020 Suburban engines 584210
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Inner Diameter [MM]: 6,07
Fitment notes — ELRING 584210
Inner Diameter [MM]: 6,07
LS ModelBody code: C15906
Body code: C15906
View on
Amazon
FEL-PRO Fits: all 2020 Suburban engines 73889
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 24504031
🇺🇸 US 🇨🇦 CA
6.07 ID1.78 Diameter
View on
Amazon

This table covers the seals at the Oil Dipstick / Tube. 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.

Oil Drain Plug

Brand Part Number Markets Notes Buy
DORMAN Popular Fits: all 2020 Suburban engines 090034
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
M12 x 1.75 Thread
Fitment notes — DORMAN 090034
M12 x 1.75 Thread
Gasket Included
View on
Amazon
DORMAN Popular Fits: all 2020 Suburban engines 090175
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Integrated GasketM12 x 1.75 Thread
View on
Amazon
AGS Fits: all 2020 Suburban engines ODP00009
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
M12x1.75
View on
Amazon
ELRING Fits: all 2020 Suburban engines 823400
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with Seal RingBolt Head-/Nut Design: Male Hex
Fitment notes — ELRING 823400
with Seal RingBolt Head-/Nut Design: Male HexThread Size: M12X1,75x17
LS ModelBody code: C15906
Body code: C15906
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 11562588
🇺🇸 US 🇨🇦 CA
with SealExc. Magnet
Fitment notes — GM GENUINE 11562588
with SealExc. Magnetwith Hex HeadM12X1.75X25
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 12625298
🇺🇸 US 🇨🇦 CA
28.65 OD
View on
Amazon
VAICO Fits: all 2020 Suburban engines V400755
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Thread Size: M 12 X 1,75Includes Gasket
View on
Amazon

This table covers the drain plugs in the oil pan.

Oil Drain Plug Gasket

Brand Part Number Markets Notes Buy
FEL-PRO Popular Fits: all 2020 Suburban engines 70820
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rubber
Fitment notes — FEL-PRO 70820
Rubber
Dished Washer0.410 (in) Inside Diameter x 0.820 (in) Outside Diameter
View on
Amazon
GM GENUINE Popular Fits: all 2020 Suburban engines 12616850
🇺🇸 US 🇨🇦 CA
Diameter 19.39
View on
Amazon
AJUSA Fits: all 2020 Suburban engines 01288800
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
DORMAN Fits: all 2020 Suburban engines 097119
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rubber Gasket
Fitment notes — DORMAN 097119
Rubber Gasket
M12 Drain Plug
View on
Amazon
DORMAN Fits: all 2020 Suburban engines 97119
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rubber GasketRubber
Fitment notes — DORMAN 97119
Rubber GasketRubberSizeM12, 7/16"Inside Dia: 0.448"/11.38mmOutside Dia.: 0.811"/20.60mmThickness: 0.102"/2.59mm
M12 Drain Plug
View on
Amazon
ELRING Fits: 5.3L V8 056130
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Material: FPM (fluoride rubber)Outer Diameter [MM]: 20,8
Fitment notes — ELRING 056130
Material: FPM (fluoride rubber)Outer Diameter [MM]: 20,8Shape: O-Ring
RWDLS ModelBody code: C15906
View on
Amazon
FEL-PRO Fits: all 2020 Suburban engines 71244
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rubber
Fitment notes — FEL-PRO 71244
Rubber
Dished Washer0.415 (in) Inside Diameter x 0.740 (in) Outside Diameter
View on
Amazon
ULTRA-POWER Fits: all 2020 Suburban engines 097119
🇺🇸 US 🇨🇦 CA
ID: 0.448"RUBBER GASKET
View on
Amazon
VAICO Fits: all 2020 Suburban engines V401110
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
VICTOR REINZ Fits: all 2020 Suburban engines 711351300
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
0.4150 IN Inside Diameter
View on
Amazon

This table covers the crush washers and gaskets under the oil drain plug. 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.

Oil Filler Cap

Brand Part Number Markets Notes Buy
ACDELCO Fits: all 2020 Suburban engines 12713785
🇺🇸 US 🇨🇦 CA
GM Original Equipment
Fitment notes — ACDELCO 12713785
GM Original Equipment
0W-20
View on
Amazon
CALORSTAT Fits: all 2020 Suburban engines OC2314
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
PlasticTwist-On
View on
Amazon
MOTORAD Fits: all 2020 Suburban engines MO190
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon

This table covers the caps on the oil filler neck.

Oil Filler Cap Gasket

Brand Part Number Markets Notes Buy
ELRING Fits: all 2020 Suburban engines 592250
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
SealMaterial: AEM (Ethylene Acrylate Rubber)
Fitment notes — ELRING 592250
SealMaterial: AEM (Ethylene Acrylate Rubber)
LS ModelBody code: C15906
Body code: C15906
View on
Amazon
ELRING Fits: all 2020 Suburban engines 823620
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
SealMaterial: HNBR (hydrogenated nitrile butadiene rubber)
Fitment notes — ELRING 823620
SealMaterial: HNBR (hydrogenated nitrile butadiene rubber)
LS ModelBody code: C15906
Body code: C15906
View on
Amazon
FEL-PRO Fits: all 2020 Suburban engines 73193
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Services OEM bonded Cap sealAftermarket Design
Fitment notes — FEL-PRO 73193
Services OEM bonded Cap sealAftermarket Design28 (mm) Inside DiameterSeal
View on
Amazon

This table covers the gaskets that seal the Oil Filler Cap. 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.

Oil Filler Tube

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 12668614
🇺🇸 US 🇨🇦 CA
Gasket Or Seal Included: YES
View on
Amazon

This table covers the Oil Filler tubes.

Oil Filter

Economy

Brand Part Number Markets Notes Buy
FRAM Fits: all 2020 Suburban engines FE10575
🇺🇸 US 🇨🇦 CA
Spin-OnTough Guard or Synthetic Endurance
View on
Amazon
FVP Fits: all 2020 Suburban engines R0255
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
OE# 12690385
View on
Amazon
PRO-TEC Fits: all 2020 Suburban engines PXL10255
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
VARIOUS MFR Fits: all 2020 Suburban engines PG2500
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon

High Performance / Heavy Duty

Brand Part Number Markets Notes Buy
WIX Popular Fits: all 2020 Suburban engines WL10255XP
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
XP Extreme DutyBest For Synthetic Motor Oils
Fitment notes — WIX WL10255XP
XP Extreme DutyBest For Synthetic Motor OilsMedia Material: Synthetic Blend
XP Extreme DutyBest for Synthetic Motor Oils
View on
Amazon
MOBIL Fits: all 2020 Suburban engines M1212A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Extended Performance
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: all 2020 Suburban engines PF63
🇺🇸 US 🇨🇦 CA
GM Original Equipment
Fitment notes — ACDELCO PF63
GM Original Equipment
6 speed Automatic trans.
10 speed trans.10 speed Automatic trans.
View on
Amazon
WIX Popular Fits: all 2020 Suburban engines WL10255
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Media Material: Enhanced Cellulose
View on
Amazon
ACDELCO Fits: all 2020 Suburban engines PF63A
🇺🇸 US 🇨🇦 CA
SilverBlack Shell
Fitment notes — ACDELCO PF63A
SilverBlack ShellSpin-On
View on
Amazon
BOSCH Fits: all 2020 Suburban engines 3502
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Premium Oil Filter
View on
Amazon
HASTINGS / BALDWIN Fits: all 2020 Suburban engines LF641
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
MAHLE / CLEVITE Fits: all 2020 Suburban engines OC1047
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Spin-On
View on
Amazon
VARIOUS MFR Fits: all 2020 Suburban engines PG2500EX
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Extended Life
View on
Amazon

This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive.

Oil Filter Adapter

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 12600225
🇺🇸 US 🇨🇦 CA
Threaded FittingM20XM22
View on
Amazon

This table covers the Oil Filter adapters.

Oil Galley Plug

Brand Part Number Markets Notes Buy
ENGINETECH Fits: all 2020 Suburban engines OGV2
🇺🇸 US 🇨🇦 CA
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 11546667
🇺🇸 US 🇨🇦 CA
Thread Diameter (In): 0.63 In
Fitment notes — GM GENUINE 11546667
Thread Diameter (In): 0.63 In
Engine BlockM16X1.5X16.25
View on
Amazon
MELLING Fits: all 2020 Suburban engines MOGP200
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
MELLING Fits: all 2020 Suburban engines MOGP200HP
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High PerformanceDouble O-Ring Design
Fitment notes — MELLING MOGP200HP
High PerformanceDouble O-Ring DesignBlack anodized billet 6061-T6 aluminum
3.04 inches Long
View on
Amazon

This table covers the Oil Galley plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.

Oil Level Sensor

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: all 2020 Suburban engines 12696434
🇺🇸 US 🇨🇦 CA
Wiring Harness Length (In): 10.04 In
Fitment notes — GM GENUINE 12696434
Wiring Harness Length (In): 10.04 In
6 speed Automatic trans.
10 speed Automatic trans.
View on
Amazon
STANDARD MOTOR PRODUCTS Fits: all 2020 Suburban engines PS616
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
ULTRA-POWER Fits: all 2020 Suburban engines PS616
🇺🇸 US 🇨🇦 CA
View on
Amazon
UNITED MOTOR PRODUCTS Fits: all 2020 Suburban engines OPS316
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
WELLS Fits: all 2020 Suburban engines 5S15947
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon

This table covers the Oil Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.

Oil Level Sensor Gasket / O-Ring

Brand Part Number Markets Notes Buy
ELRING Fits: all 2020 Suburban engines 351330
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
LS ModelBody code: C15906
Fitment notes — ELRING 351330
LS ModelBody code: C15906
Body code: C15906
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 12638820
🇺🇸 US 🇨🇦 CA
Material: Rubber
View on
Amazon

This table covers the Oil Level Sensor Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove.

Oil Nozzle

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 12678499
🇺🇸 US 🇨🇦 CA
Injector Spray NozzlePiston Nozzle
View on
Amazon

This table covers the Oil nozzles.

Oil Pan

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: all 2020 Suburban engines 12669909
🇺🇸 US 🇨🇦 CA
Lower
View on
Amazon
DORMAN Fits: all 2020 Suburban engines 264216
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Lower
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 12684605
🇺🇸 US 🇨🇦 CA
Engine Oil Cooler Return Fitting: YES
View on
Amazon
SPECTRA PREMIUM Fits: all 2020 Suburban engines GMP97A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
LowerGasket and/or Sealant Not Included
View on
Amazon
VAICO Fits: all 2020 Suburban engines V570129
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Upper
View on
Amazon

This table covers the oil pans that hold the engine's oil sump.

Oil Pan Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 12554990
🇺🇸 US 🇨🇦 CA
M6X1.0X136
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 11588725
🇺🇸 US 🇨🇦 CA
M8X1.25X35
View on
Amazon

This table covers the Oil Pan bolts.

Oil Pan Cover

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 12630766
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the Oil Pan covers.

Oil Pan Gasket

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: all 2020 Suburban engines 12666993
🇺🇸 US 🇨🇦 CA
Front
View on
Amazon
GM GENUINE Popular Fits: all 2020 Suburban engines 12621086
🇺🇸 US 🇨🇦 CA
View on
Amazon
VICTOR REINZ Popular Fits: all 2020 Suburban engines 703141410
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
RTV Silicone
View on
Amazon
APEX Fits: all 2020 Suburban engines AOP1351
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Lower
View on
Amazon
ELRING Fits: all 2020 Suburban engines 837770
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Drain Plug Gasket Included: No
Fitment notes — ELRING 837770
Drain Plug Gasket Included: No
FrontLS ModelBody code: C15906
FrontBody code: C15906
View on
Amazon
ELRING Fits: all 2020 Suburban engines 836340
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Drain Plug Gasket Included: NoNumber of Bolt Holes: 0
Fitment notes — ELRING 836340
Drain Plug Gasket Included: NoNumber of Bolt Holes: 0
LS ModelBody code: C15906
Body code: C15906
View on
Amazon
FEL-PRO Fits: all 2020 Suburban engines OS30893
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Lower
View on
Amazon
FEL-PRO Fits: all 2020 Suburban engines OS30953T
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Permadryplus with Speedfit
Fitment notes — FEL-PRO OS30953T
Permadryplus with Speedfit
UpperThis gasket does Not require a 12-24 hour cure time. Replacement For OEM RTV
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 12623359
🇺🇸 US 🇨🇦 CA
Oil Pan Cover Gasket
View on
Amazon
MAHLE / CLEVITE Fits: all 2020 Suburban engines B33746
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Steel
Fitment notes — MAHLE / CLEVITE B33746
Steel
Side Cover Gasket
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 OS32577
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes RTV Sealant
Fitment notes — MAHLE / CLEVITE OS32577
Includes RTV Sealant
Upper
View on
Amazon
VICTOR REINZ Fits: 5.3L V8 101028101
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon

This table covers the gaskets between the oil pan and the block. 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.

Oil Pressure Filter

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 12623757
🇺🇸 US 🇨🇦 CA
View on
Amazon

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

Oil Pressure Sender / Switch Seal

Brand Part Number Markets Notes Buy
ELRING Fits: all 2020 Suburban engines 050420
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
LS ModelBody code: C15906
Fitment notes — ELRING 050420
LS ModelBody code: C15906
Body code: C15906
View on
Amazon

This table covers the seals at the Oil Pressure Sender / Switch. 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.

Oil Pump

Brand Part Number Markets Notes Buy
ENGINETECH Fits: 5.3L V8 EP555
🇺🇸 US
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 12686433
🇺🇸 US 🇨🇦 CA
Mount Hole Diameter (In): 0.366 INOil Pump Pressure Type: Standard Pressure
Fitment notes — GM GENUINE 12686433
Mount Hole Diameter (In): 0.366 INOil Pump Pressure Type: Standard PressureSolenoid Included: YES
View on
Amazon
MELLING Fits: all 2020 Suburban engines M555
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
MELLING Fits: all 2020 Suburban engines M555418S
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Oil Pickup Tube Assembly
View on
Amazon

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

Oil Pump Alignment Tool

Brand Part Number Markets Notes Buy
MELLING Fits: all 2020 Suburban engines M55500
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Use with M555 Oil Pump
View on
Amazon

This table covers the Oil Pump Alignment tools. This is a service tool, not a wear part — match the application in the notes.

Oil Pump Gasket

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 12638433
🇺🇸 US 🇨🇦 CA
SINGLE USE
View on
Amazon

This table covers the gaskets that seal the Oil Pump. 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.

Oil Pump Pickup Tube / Screen

Brand Part Number Markets Notes Buy
MELLING Fits: all 2020 Suburban engines 418S
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
SEALED POWER Fits: all 2020 Suburban engines 22415106
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
124.21mm Tube Length25.578mm Inside Diameter
View on
Amazon

This table covers the pickup tubes and screens that feed the oil pump.

Oil Sump Windage Tray

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 12619978
🇺🇸 US 🇨🇦 CA
View on
Amazon

This table covers the windage trays that keep crank windage out of the oil sump.

Piston

Premium

Brand Part Number Markets Notes Buy
ENGINETECH Fits: 5.3L V8 P53018
🇺🇸 US
Anodized HeadCoated Skirt
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 2244033
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Skirt Coated
View on
Amazon
SEALED POWER Fits: 5.3L V8 H1546CPALR
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
HypereutecticAlloy
Fitment notes — SEALED POWER H1546CPALR
HypereutecticAlloyRing Groove Widths: 1.2mm, 1.5mm, 2.5mmCoated Skirt
33.38mm Compression Distance
View on
Amazon
SILV-O-LITE Fits: 6.2L V8 3540HCA
🇺🇸 US 🇨🇦 CA
Floating Pin TypeCentered Pin Configuration
Fitment notes — SILV-O-LITE 3540HCA
Floating Pin TypeCentered Pin ConfigurationDome TopSilvolite
View on
Amazon
SILV-O-LITE Fits: 6.2L V8 3540HCAK1
🇺🇸 US 🇨🇦 CA
SilvoliteFloating Pin Type
Fitment notes — SILV-O-LITE 3540HCAK1
SilvoliteFloating Pin TypeCentered Pin ConfigurationDome TopIncludes Rings
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 5.3L V8 12656877
🇺🇸 US 🇨🇦 CA
LeftStandard Size
View on
Amazon
GM GENUINE Popular Fits: 5.3L V8 12656876
🇺🇸 US 🇨🇦 CA
RightStandard Size
View on
Amazon
GM GENUINE Popular Fits: 6.2L V8 12656874
🇺🇸 US 🇨🇦 CA
RightStandard
View on
Amazon
GM GENUINE Popular Fits: 6.2L V8 12656875
🇺🇸 US 🇨🇦 CA
LeftStandard
View on
Amazon
GM GENUINE Fits: 5.3L V8 12659283
🇺🇸 US 🇨🇦 CA
Left.5MM O/S
View on
Amazon
GM GENUINE Fits: 5.3L V8 12659284
🇺🇸 US 🇨🇦 CA
Right.5MM O/S
View on
Amazon
GM GENUINE Fits: 6.2L V8 12658743
🇺🇸 US 🇨🇦 CA
LeftLH Piston Assembly
Fitment notes — GM GENUINE 12658743
LeftLH Piston Assembly.5mm O/S
View on
Amazon
GM GENUINE Fits: 6.2L V8 12658744
🇺🇸 US 🇨🇦 CA
RightRH Piston Assembly
Fitment notes — GM GENUINE 12658744
RightRH Piston Assembly.5mm O/S
View on
Amazon

This table covers the pistons that travel in each cylinder. Typical signs include knock, blow-by, or a cylinder that will not hold compression. Piston work is a short-block job. Match bore, pin and ring pack in the notes — not the photo.

Piston Pin Retainer

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 12569638
🇺🇸 US 🇨🇦 CA
Used with Federal Mogul Pistons
View on
Amazon

This table covers the Piston Pin retainers.

Piston Ring

Premium

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 5.3L V8 M37808
🇺🇸 US
PremiumSet
Fitment notes — ENGINETECH M37808
PremiumSetMoly Coated
1.2mm / 1.5mm / 2.5mm
View on
Amazon
SEALED POWER Popular Fits: 6.2L V8 E1034K
🇺🇸 US 🇨🇦 CA
PremiumSet
Fitment notes — SEALED POWER E1034K
PremiumSetRing Groove Widths: 1.2mm, 1.5mm, 2.5mm
Ductile IronStainless Steel
View on
Amazon
ENGINETECH Fits: 5.3L V8 M37808030
🇺🇸 US
PremiumSet
Fitment notes — ENGINETECH M37808030
PremiumSetMoly Coated
1.2mm / 1.5mm / 2.5mm
View on
Amazon
ENGINETECH Fits: 6.2L V8 M10328
🇺🇸 US
Set
Fitment notes — ENGINETECH M10328
Set
1.2mm / 1.5mm / 2.5mm
View on
Amazon
HASTINGS MANUFACTURING Fits: 5.3L V8 2M5380
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Plasma Moly Top RingTop Ring Surface Treatment: Plasma Moly
Fitment notes — HASTINGS MANUFACTURING 2M5380
Plasma Moly Top RingTop Ring Surface Treatment: Plasma MolyFull Setfor 2 Ring Piston
View on
Amazon
HASTINGS MANUFACTURING Fits: 6.2L V8 2M5381
🇺🇸 US 🇨🇦 CA
Full SetPlasma Moly Top Ring
Fitment notes — HASTINGS MANUFACTURING 2M5381
Full SetPlasma Moly Top Ringfor 2 Ring PistonTop Groove: 1.202nd Groove: 1.501ST Oil Groove: 2.50
Engine. Bore (In.): 4.065Engine. Bore (Metric): 103.25
View on
Amazon
MAHLE / CLEVITE Fits: 5.3L V8 42216CP
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
PremiumMaterial Carbon Steel / Cast Iron / Stainless Steel
Fitment notes — MAHLE / CLEVITE 42216CP
PremiumMaterial Carbon Steel / Cast Iron / Stainless SteelSetAxial Height: 1.2mm / 1.5mm / 2.5mmFacing: Plasma-Moly / Chrome
Shallow Groove (Size: Standard)
View on
Amazon
MAHLE / CLEVITE Fits: 6.2L V8 42217CP
🇺🇸 US 🇨🇦 CA
PremiumMaterial Carbon Steel / Cast Iron / Stainless Steel
Fitment notes — MAHLE / CLEVITE 42217CP
PremiumMaterial Carbon Steel / Cast Iron / Stainless SteelSetAxial Height: 1.2mm / 1.5mm / 2.5mmFacing: Plasma-Moly / Chrome
Shallow Groove
View on
Amazon
SEALED POWER Fits: 5.3L V8 E1023K
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
PremiumRing Groove Widths: 1.2mm, 1.5mm, 2.5mm
Fitment notes — SEALED POWER E1023K
PremiumRing Groove Widths: 1.2mm, 1.5mm, 2.5mmSetMoly Steel Top RingDuctile Second Ring
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 5.3L V8 12691926
🇺🇸 US 🇨🇦 CA
6 speed Automatic trans.Standard Size
View on
Amazon
GM GENUINE Popular Fits: 6.2L V8 12685185
🇺🇸 US 🇨🇦 CA
SetContains Upper/Lower Compression Ring, Oil Rings, Oil Expander
Fitment notes — GM GENUINE 12685185
SetContains Upper/Lower Compression Ring, Oil Rings, Oil Expander
LowerStandard
View on
Amazon
GM GENUINE Fits: 6.2L V8 12687779
🇺🇸 US 🇨🇦 CA
Contains Upper/Lower Compression Rings, Oil Expander, Oil Rails
Fitment notes — GM GENUINE 12687779
Contains Upper/Lower Compression Rings, Oil Expander, Oil Rails
.5MM O/S
View on
Amazon

This table covers the rings that seal each piston to the cylinder wall.

Push Rod

Brand Part Number Markets Notes Buy
ENGINETECH Fits: all 2020 Suburban engines EPR325
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Fits or Intake and Exhaust
Fitment notes — ENGINETECH EPR325
Fits:
or Intake and Exhaust
Intake and Exhaust
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 12619828
🇺🇸 US 🇨🇦 CA
Material: Steel
View on
Amazon
MELLING Fits: all 2020 Suburban engines MPR696
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
SBI Fits: all 2020 Suburban engines 1901555
🇺🇸 US 🇨🇦 CA
Intake and Exhaust7.850 Length
Fitment notes — SBI 1901555
Intake and Exhaust7.850 Length344X075 Diameter/Wall
View on
Amazon

This table covers the pushrods that transfer lifter motion to the rocker arms.

Rocker Arm

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: all 2020 Suburban engines 12619829
🇺🇸 US 🇨🇦 CA
View on
Amazon
ENGINETECH Fits: all 2020 Suburban engines ER913
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
MELLING Fits: all 2020 Suburban engines MR913
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
QUALCAST Fits: all 2020 Suburban engines 402913
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
SBI Fits: all 2020 Suburban engines 1801343
🇺🇸 US 🇨🇦 CA
Intake and ExhaustRoller Pivot Assy.
Fitment notes — SBI 1801343
Intake and ExhaustRoller Pivot Assy.Note: with BoltCaptive Bearing Design with High Grade Steel Trunion
View on
Amazon

This table covers the rocker arms that transfer cam motion to the valves.

Timing Chain

Brand Part Number Markets Notes Buy
MELLING Popular Fits: all 2020 Suburban engines 3SRH60
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
CLOYES Fits: all 2020 Suburban engines 94205
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 12646387
🇺🇸 US 🇨🇦 CA
View on
Amazon
PREFERRED COMPONENTS INC Fits: all 2020 Suburban engines C1360
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
S.A. GEAR Fits: all 2020 Suburban engines 3SRH60
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Eco Tec3
Fitment notes — S.A. GEAR 3SRH60
Eco Tec3
Chain
View on
Amazon

This table covers the timing chains that keep the cams in time with the crank.

Timing Chain & Component Kit

Economy

Brand Part Number Markets Notes Buy
GATES Fits: all 2020 Suburban engines CHK163
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Timing Chain, Guide, Sprocket
View on
Amazon
MELLING Fits: all 2020 Suburban engines 33SRH60SEHVVT
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Service GradeIncludes Variable Valve Timing (VVT) Sprocket, Variable Valve Timing (VVT) Oil Control Valve
View on
Amazon
PREFERRED COMPONENTS INC Fits: all 2020 Suburban engines TS10361
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Balance Shaft Drive Components Not IncludedDoes Not Include Variable Valve Timing (VVT) Sprocket
View on
Amazon
S.A. GEAR Fits: all 2020 Suburban engines 76291
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Does Not Include Camshaft SprocketIncludes Chain, Crank Sprocket, Tensioner
Fitment notes — S.A. GEAR 76291
Does Not Include Camshaft SprocketIncludes Chain, Crank Sprocket, Tensioner
Eco Tec3
View on
Amazon
S.A. GEAR Fits: all 2020 Suburban engines 76291V
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Chain, Crank Sprocket, Tensioner, VVT Cam, VVT Oil Control Valve
Fitment notes — S.A. GEAR 76291V
Includes Chain, Crank Sprocket, Tensioner, VVT Cam, VVT Oil Control Valve
Eco Tec3
View on
Amazon
S.A. GEAR Fits: all 2020 Suburban engines 789855V
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
78985-5V Includes VVT CamSingle Roller 250
Fitment notes — S.A. GEAR 789855V
78985-5V Includes VVT CamSingle Roller 250ECOTEC3
78985-5V Includes VVT CamSingle Roller 250
View on
Amazon

High Performance

Brand Part Number Markets Notes Buy
CLOYES Fits: all 2020 Suburban engines 93678X5Z
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
without Camshaft Gearwith "Z" Racing Chain
View on
Amazon
CLOYES Fits: all 2020 Suburban engines 93679X5Z
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Timing Set
Fitment notes — CLOYES 93679X5Z
Timing Set
with Camshaft Sprocketwith "Z" Racing Chain
View on
Amazon
MELLING Fits: all 2020 Suburban engines 485755
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High PerformanceDoes Not Include Cam Sprocket
Fitment notes — MELLING 485755
High PerformanceDoes Not Include Cam Sprocket
Tensioner Elimination Kit.250 Inch Single Roller - Rolon ChainBillet Steel Crankshaft Sprocket5 Keyway with 2 and 4 Degree AdjustmentCan be Used with VVT (Variable Valve Timing) Camshaft Sprocket
View on
Amazon
MELLING Fits: all 2020 Suburban engines 485755G
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High PerformanceDoes Not Include Cam Sprocket
Fitment notes — MELLING 485755G
High PerformanceDoes Not Include Cam Sprocket
.250 Inch Single Roller - Iwis ChainBillet Steel Crankshaft Sprocket5 Keyway with 2 and 4 Degree AdjustmentChain Tensioner Elimination Kit, Eliminates The Factory Chain Tensioner For A Tighter Chain SetupCan be Used with VVT (Variable Valve Timing) Camshaft Sprocket
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
CLOYES Popular Fits: all 2020 Suburban engines 94205SCX
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Does Not Include SprocketsIncludes: Chain Guide, Chain Tensioner, Chain Tensioner Guide, Timing Chain
View on
Amazon
CLOYES Popular Fits: all 2020 Suburban engines 94205SC
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes: Timing Chain, Timing Chain Tensioner, Crankshaft Sprocket
Fitment notes — CLOYES 94205SC
Includes: Timing Chain, Timing Chain Tensioner, Crankshaft Sprocket
with Crankshaft Chain Sprocket
View on
Amazon
MELLING Popular Fits: all 2020 Suburban engines 33SRH60SX
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Does Not Include Sprockets
View on
Amazon
MELLING Popular Fits: all 2020 Suburban engines 33SRH60SE
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Balance Shaft Drive Components Not Included
View on
Amazon
CLOYES Fits: all 2020 Suburban engines 93678X5
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Timing Set
Fitment notes — CLOYES 93678X5
Timing Set
without Camshaft GearPremium
View on
Amazon
CLOYES Fits: all 2020 Suburban engines 93679X5
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Timing Set
Fitment notes — CLOYES 93679X5
Timing Set
High Performance True Roller Chainwith Camshaft Sprocket
View on
Amazon
ENGINETECH Fits: all 2020 Suburban engines TS0361
🇺🇸 US
Includes crank sprocket, chain and tensioner/guide assembly
Fitment notes — ENGINETECH TS0361
Includes crank sprocket, chain and tensioner/guide assembly
without Cam Sprocket
View on
Amazon
INA Fits: all 2020 Suburban engines ZC76291
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Does Not Include Cam SprocketKit Contains 1 Chain, 1 Crankshaft Sprocket, 1 Tensioner
Fitment notes — INA ZC76291
Does Not Include Cam SprocketKit Contains 1 Chain, 1 Crankshaft Sprocket, 1 Tensioner
Exc. Heavy Duty Towing Package
View on
Amazon
MELLING Fits: all 2020 Suburban engines TOPK1016
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Includes Variable Valve Timing (VVT) Sprocket and VVT Oil Control Valve, Oil Pump
View on
Amazon
S.A. GEAR Fits: all 2020 Suburban engines 76291S
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Does Not Include SprocketsIncludes Chain, Tensioner
Fitment notes — S.A. GEAR 76291S
Does Not Include SprocketsIncludes Chain, Tensioner
Eco Tec3
View on
Amazon

This table covers kits that group a timing chain with the related tensioners and guides.

Timing Chain Tensioner

Brand Part Number Markets Notes Buy
CLOYES Popular Fits: all 2020 Suburban engines 95977
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
GM GENUINE Popular Fits: all 2020 Suburban engines 12630107
🇺🇸 US 🇨🇦 CA
CAM DRIVE
View on
Amazon
ENGINETECH Fits: 5.3L V8 TT5490
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Tensioner/guide assembly
View on
Amazon
ENGINETECH Fits: all 2020 Suburban engines TT5174
🇺🇸 US
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 11515758
🇺🇸 US 🇨🇦 CA
6 speed Automatic trans.M8X1.25X30
Fitment notes — GM GENUINE 11515758
6 speed Automatic trans.M8X1.25X30Tensioner Bolt Only
10 Speed TransmissionM8X1.25X30Tensioner Bolt Only
View on
Amazon
MELLING Fits: all 2020 Suburban engines BT5174
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
PREFERRED COMPONENTS INC Fits: all 2020 Suburban engines T66273
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
S.A. GEAR Fits: all 2020 Suburban engines 91174
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Eco Tec3
Fitment notes — S.A. GEAR 91174
Eco Tec3
Tensioner
View on
Amazon

This table covers the tensioners that keep the timing chain taut. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage.

Timing Cover

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 12691692
🇺🇸 US 🇨🇦 CA
FrontMUST Use with DOWEL PIN 22531637 QTY 2
View on
Amazon
SKP Fits: all 2020 Suburban engines SK12691692
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front
View on
Amazon

This table covers the Timing covers.

Timing Cover Gasket

Brand Part Number Markets Notes Buy
APEX Fits: all 2020 Suburban engines ATC13511
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
ELRING Fits: 5.3L V8 B37310
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
with Crankshaft Seal
Fitment notes — ELRING B37310
with Crankshaft Seal
RWDLS ModelBody code: C15906
View on
Amazon
ENGINETECH Fits: 5.3L V8 TCG293A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Metal / Rubber
Fitment notes — ENGINETECH TCG293A
Metal / Rubber
Engine VIN code J,W
View on
Amazon
FEL-PRO Fits: all 2020 Suburban engines TCS462211
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Recommend replacing Engine Crankshaft Pulley Bolt with FEL-Pro 73372
View on
Amazon

This table covers the gaskets that seal the Timing 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.

Timing Cover Seal

Brand Part Number Markets Notes Buy
ENGINETECH Fits: 5.3L V8 S5673
🇺🇸 US
Front
View on
Amazon
MAHLE / CLEVITE Fits: all 2020 Suburban engines 68019
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front
View on
Amazon

This table covers the seals at the Timing Cover. 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.

Timing Crank Sprocket

Brand Part Number Markets Notes Buy
MELLING Popular Fits: all 2020 Suburban engines S1355
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
CLOYES Fits: all 2020 Suburban engines S1111
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 12713934
🇺🇸 US 🇨🇦 CA
Keyway Adjustable: YESTooth Quantity: 22
View on
Amazon
PREFERRED COMPONENTS INC Fits: all 2020 Suburban engines G56067
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
S.A. GEAR Fits: all 2020 Suburban engines S1355
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Eco Tec3
View on
Amazon

This table covers the crankshaft sprockets that drive the timing chain or belt.

Valve Cover

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 12727455
🇺🇸 US 🇨🇦 CA
Mounting Hardware Included: YES
Fitment notes — GM GENUINE 12727455
Mounting Hardware Included: YES
Right
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 12692546
🇺🇸 US 🇨🇦 CA
Left
View on
Amazon
SKP Fits: all 2020 Suburban engines SK12623927
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rightaluminum
Fitment notes — SKP SK12623927
Rightaluminum
RightGasAluminum
View on
Amazon
SKP Fits: all 2020 Suburban engines SK12692546
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Left
View on
Amazon

This table covers the Valve covers.

Valve Cover Bolt / Screw

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 11547061
🇺🇸 US 🇨🇦 CA
Bolt Type: Hex Flanged
Fitment notes — GM GENUINE 11547061
Bolt Type: Hex Flanged
M6X1X30
View on
Amazon

This table covers the Valve Cover Bolt screws. Typical signs include a rounded head, a seeping bleeder, or a fastener that will not hold torque. Do not force a new screw into a stripped hole — repair the thread first.

Valve Cover Gasket

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 6.2L V8 VCC293A
🇺🇸 US
SetIncludes Grommets
View on
Amazon
FEL-PRO Popular Fits: all 2020 Suburban engines VS50907R
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Permadry RubberValve Cover Grommets Not Included
View on
Amazon
GM GENUINE Popular Fits: all 2020 Suburban engines 12619787
🇺🇸 US 🇨🇦 CA
View on
Amazon
APEX Fits: all 2020 Suburban engines AVC1351
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
ELRING Fits: all 2020 Suburban engines 448410
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Material: Polyacrylate Rubber (ACM)
Fitment notes — ELRING 448410
Material: Polyacrylate Rubber (ACM)
LS ModelBody code: C15906
Body code: C15906
View on
Amazon
MAHLE / CLEVITE Fits: all 2020 Suburban engines VS50731
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
SetMolded Rubber
View on
Amazon
VICTOR REINZ Fits: all 2020 Suburban engines 151118001
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
View on
Amazon

This table covers the gaskets that seal the valve cover to the cylinder head. 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.

Valve Cover Grommet

Brand Part Number Markets Notes Buy
ELRING Fits: 5.3L V8 050390
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
material: NBR (nitrile butadiene rubber)
Fitment notes — ELRING 050390
material: NBR (nitrile butadiene rubber)
RWDLS ModelBody code: C15906
View on
Amazon

This table covers the Valve Cover grommets.

Valve Guide

Brand Part Number Markets Notes Buy
ENGINETECH Fits: 5.3L V8 GD3204
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Fits or Intake and Exhaust
View on
Amazon
QUALCAST Fits: 5.3L V8 303204
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
2.235 Overall Length. 0.3150 Inside Diameter. 0.5000 Outside Diameter
View on
Amazon
SBI Fits: 5.3L V8 1403204
🇺🇸 US 🇨🇦 CA
Intake and Exhaust0.3150 I.D.
Fitment notes — SBI 1403204
Intake and Exhaust0.3150 I.D.0.5000 O.D.2.235 Length1-SR Type
View on
Amazon

This table covers the pressed-in bronze and cast-iron guides that align valve stems. Typical signs include oil smoke on startup, a guide that has gone oval, or a valve that no longer seats quietly. Guides are a machine-shop fit. Confirm stem diameter in the notes before ordering.

Valve Lifter

Economy

Brand Part Number Markets Notes Buy
SKP Fits: all 2020 Suburban engines SK12740071
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
For Intake And Exhaust Valves, Cylinders 1, 4, 6, 7Active Fuel Management Engine
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 5.3L V8 L2281
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
HydraulicRoller Follower
Fitment notes — ENGINETECH L2281
HydraulicRoller Follower
Non-deactivating type
View on
Amazon
ENGINETECH Popular Fits: 6.2L V8 L2303
🇺🇸 US
HydraulicRoller Follower
Fitment notes — ENGINETECH L2303
HydraulicRoller Follower
Deactivating type
View on
Amazon
GM GENUINE Popular Fits: all 2020 Suburban engines 12698945
🇺🇸 US 🇨🇦 CA
LIFTERS ONLYNON-ACTIVE FUEL MANAGEMENT LIFTER
View on
Amazon
MELLING Popular Fits: all 2020 Suburban engines JB2079
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Hydraulic
Fitment notes — MELLING JB2079
Hydraulic
For Intake And Exhaust Valves, Cylinders 2, 3, 5, 8Active Fuel Management Engine
View on
Amazon
MELLING Popular Fits: all 2020 Suburban engines JB8011
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Hydraulic
Fitment notes — MELLING JB8011
Hydraulic
For Intake And Exhaust Valves, Cylinders 1, 4, 6, 7Active Fuel Management Engine
View on
Amazon
ENGINETECH Fits: 5.3L V8 LG2281K
🇺🇸 US
KitContains L2281-16, EG365-4
Fitment notes — ENGINETECH LG2281K
KitContains L2281-16, EG365-4Roller FollowerHydraulic
Non-deactivating type Contains L2281-16, EG365-4
View on
Amazon
ENGINETECH Fits: all 2020 Suburban engines LG2303K
🇺🇸 US
KitContains L2303K-16, EG596(2) and EG608(2)
Fitment notes — ENGINETECH LG2303K
KitContains L2303K-16, EG596(2) and EG608(2)HydraulicRoller FollowerContains L2303K-16,EG596(2) and EG608(2)
VIN code CGEN VAluminumblock with AFM (cylinder deactivation)Deactivating type Contains L2303K-16, EG596(2) and EG608(2)
VIN Code 8,F,Jwith AFM (cylinder deactivation)Deactivating type Contains L2303K-16,EG596(2) and EG608(2)
View on
Amazon
ENGINETECH Fits: all 2020 Suburban engines L2303K
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
HydraulicRoller Follower
Fitment notes — ENGINETECH L2303K
HydraulicRoller Follower
Engine VIN Code CGEN Valuminumblock with AFM (cylinder deactivation)
View on
Amazon
GM GENUINE Fits: 6.2L V8 12740071
🇺🇸 US 🇨🇦 CA
10 Speed Transmission10 speed Automatic trans.
Fitment notes — GM GENUINE 12740071
10 Speed Transmission10 speed Automatic trans.Hydraulic, Roller, Active Fuel Management Lifter
View on
Amazon
MELLING Fits: all 2020 Suburban engines JBK8000
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Kit
Fitment notes — MELLING JBK8000
Kit
Use JB-8011 For Intake and Exhaust Valves, Cylinders 1, 4, 6, 7Use JB-2079 For Intake and Exhaust Valves, Cylinders 2, 3, 5, 8Active Fuel Management Engine
View on
Amazon
QUALCAST Fits: all 2020 Suburban engines 362303RG
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Guide For AFM. Guide Only. 12571608
View on
Amazon
QUALCAST Fits: all 2020 Suburban engines 362303FG
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear Guide For AFM. Guide Only. 12571596
View on
Amazon
QUALCAST Fits: all 2020 Suburban engines 362148
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Hydraulic Roller
View on
Amazon
QUALCAST Fits: all 2020 Suburban engines 362303
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Hydraulic Roller
Fitment notes — QUALCAST 362303
Hydraulic Roller
3.785 OAL AFM "DE-AC". GM # 12639516
View on
Amazon
SBI Fits: all 2020 Suburban engines VL559
🇺🇸 US 🇨🇦 CA
Intake and Exhaust0.842 Body Diameter
Fitment notes — SBI VL559
Intake and Exhaust0.842 Body Diameter2.600 LengthHydraulic Roller TypeOil Hole is Positioned In Line with Roller Pin.Non-Active Fuel ManagementOEM # 17122490
View on
Amazon
SBI Fits: all 2020 Suburban engines VL558
🇺🇸 US 🇨🇦 CA
Active Fuel Mgmt. Hydraulic Roller Type
Fitment notes — SBI VL558
Active Fuel Mgmt. Hydraulic Roller Type
Intake and Exhaust0.842 Body Diameter3.760 Lengthwith SpringDynamic Fuel ManagementNote: Replaces Previous AFM Lifterit is Recommended To Replace In Sets.
View on
Amazon
SEALED POWER Fits: all 2020 Suburban engines HT2148AB
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Hydraulic Roller Lifters
Fitment notes — SEALED POWER HT2148AB
Hydraulic Roller Lifters
Active Fuel Management EngineHT-2148A For Intake and Exhaust on Cylinder 2,3,5,8 and HT-2320 For Intake and Exhaust on Cylinder 1,4,6,7Riveted Retaining Pin
Riveted Retaining Pin
View on
Amazon
SEALED POWER Fits: all 2020 Suburban engines HT2148A
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Hydraulic Roller Lifters
Fitment notes — SEALED POWER HT2148A
Hydraulic Roller Lifters
Active Fuel Management EngineHT-2148A For Intake and Exhaust on Cylinder 2,3,5,8 and HT-2320 For Intake and Exhaust on Cylinder 1,4,6,7Riveted Retaining Pin
Riveted Retaining Pin
View on
Amazon
SEALED POWER Fits: all 2020 Suburban engines HT2320
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Do Not Use this Lifter in Dynamic Fuel Management (DFM) EnginesHT-2148A For Intake and Exhaust on Cylinder 2,3,5,8
Fitment notes — SEALED POWER HT2320
Do Not Use this Lifter in Dynamic Fuel Management (DFM) EnginesHT-2148A For Intake and Exhaust on Cylinder 2,3,5,8Active Fuel Management Engine
Do Not Use this Lifter In Dynamic Fuel Management (DFM) EnginesActive Fuel Management Engine
View on
Amazon

This table covers the lifters / tappets that transfer cam motion to the valves.

Valve Lifter Guide

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: all 2020 Suburban engines 12669185
🇺🇸 US 🇨🇦 CA
Rear
View on
Amazon
GM GENUINE Popular Fits: all 2020 Suburban engines 12669184
🇺🇸 US 🇨🇦 CA
Front
View on
Amazon
MELLING Popular Fits: all 2020 Suburban engines MLG101
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Front
View on
Amazon
ENGINETECH Fits: 5.3L V8 EG608
🇺🇸 US
Composite
Fitment notes — ENGINETECH EG608
Composite
Rearwith AFM (cylinder deactivation)
View on
Amazon
ENGINETECH Fits: 5.3L V8 EG596
🇺🇸 US
Composite
Fitment notes — ENGINETECH EG596
Composite
Frontwith AFM (cylinder deactivation)
View on
Amazon
ENGINETECH Fits: 5.3L V8 EG365
🇺🇸 US
Composite
Fitment notes — ENGINETECH EG365
Composite
Fits:
Frontwithout Active Fuel Management (Cylinder Deactivation) Composite lifter guide
or:
Rearwithout Active Fuel Management (Cylinder Deactivation) Composite lifter guide
View on
Amazon
MELLING Fits: all 2020 Suburban engines MLG102
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Rear
View on
Amazon
SBI Fits: all 2020 Suburban engines VL558FG
🇺🇸 US 🇨🇦 CA
Intake and ExhaustAFM Lifter Guide - Front Type
Fitment notes — SBI VL558FG
Intake and ExhaustAFM Lifter Guide - Front TypeOEM # 12571596
View on
Amazon
SBI Fits: 5.3L V8 VL559G
🇺🇸 US 🇨🇦 CA
Intake and ExhaustNon-AFM Lifter Guide
Fitment notes — SBI VL559G
Intake and ExhaustNon-AFM Lifter GuideOEM # 12595365
View on
Amazon
SBI Fits: all 2020 Suburban engines VL558RG
🇺🇸 US 🇨🇦 CA
Intake and ExhaustAFM Lifter Guide-Rear Type
Fitment notes — SBI VL558RG
Intake and ExhaustAFM Lifter Guide-Rear TypeOEM # 12571608
View on
Amazon
SEALED POWER Fits: all 2020 Suburban engines HT2323K
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
RearActive Fuel Management Engine
View on
Amazon
SEALED POWER Fits: all 2020 Suburban engines HT2322K
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
FrontActive Fuel Management Engine
View on
Amazon

This table covers the guides that keep each lifter aligned.

Valve Spring

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: 5.3L V8 12728733
🇺🇸 US 🇨🇦 CA
Spring Type: Single Spring
View on
Amazon
GM GENUINE Popular Fits: 6.2L V8 12728729
🇺🇸 US 🇨🇦 CA
Spring Type: Single Spring
View on
Amazon
MELLING Popular Fits: 5.3L V8 VS1688
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
MELLING Popular Fits: 6.2L V8 VS2488
🇺🇸 US 🇨🇦 CA
View on
Amazon
ENGINETECH Fits: 5.3L V8 ERV1688
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Conical
Fitment notes — ENGINETECH ERV1688
Conical
Intake or Exhaust2.253" Free Height
View on
Amazon
MELLING Fits: all 2020 Suburban engines VTSS100
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
High Performance
Fitment notes — MELLING VTSS100
High Performance
Setup Spring
View on
Amazon
MELLING Fits: 6.2L V8 VSK461208LT
🇺🇸 US 🇨🇦 CA
High PerformanceIncludes Valve Locks, Spring Retainers, Valve Spring Shims, Valve Stem Seals, Stainless Steel Retainers
Fitment notes — MELLING VSK461208LT
High PerformanceIncludes Valve Locks, Spring Retainers, Valve Spring Shims, Valve Stem Seals, Stainless Steel RetainersStandard Finish Valve Spring
Installed Pressure 160 PSIOpen Pressure 482 PSI
View on
Amazon
MELLING Fits: 6.2L V8 VSK461208TLT
🇺🇸 US 🇨🇦 CA
High PerformanceIncludes Valve Locks, Spring Retainers, Valve Spring Shims, Valve Stem Seals, Titanium Retainers
Fitment notes — MELLING VSK461208TLT
High PerformanceIncludes Valve Locks, Spring Retainers, Valve Spring Shims, Valve Stem Seals, Titanium RetainersStandard Finish Valve Spring
Installed Pressure 160 PSIOpen Pressure 482 PSI
View on
Amazon
MELLING Fits: 6.2L V8 VSK46656LT
🇺🇸 US 🇨🇦 CA
High PerformanceIncludes Valve Locks, Spring Retainers, Valve Spring Shims, Valve Stem Seals, Stainless Steel Retainers
Fitment notes — MELLING VSK46656LT
High PerformanceIncludes Valve Locks, Spring Retainers, Valve Spring Shims, Valve Stem Seals, Stainless Steel RetainersStandard Finish Valve Spring
Installed Pressure 147 PSIOpen Pressure 406 PSI
View on
Amazon
MELLING Fits: 6.2L V8 VSK46656TLT
🇺🇸 US 🇨🇦 CA
High PerformanceIncludes Valve Locks, Spring Retainers, Valve Spring Shims, Valve Stem Seals, Titanium Retainers
Fitment notes — MELLING VSK46656TLT
High PerformanceIncludes Valve Locks, Spring Retainers, Valve Spring Shims, Valve Stem Seals, Titanium RetainersStandard Finish Valve Spring
Installed Pressure 147 PSIOpen Pressure 406 PSI
View on
Amazon
MELLING Fits: 6.2L V8 VSK46659LT
🇺🇸 US 🇨🇦 CA
High PerformanceIncludes Valve Locks, Spring Retainers, Valve Spring Shims, Valve Stem Seals, Stainless Steel Retainers
Fitment notes — MELLING VSK46659LT
High PerformanceIncludes Valve Locks, Spring Retainers, Valve Spring Shims, Valve Stem Seals, Stainless Steel RetainersStandard Finish Valve Spring
Installed Pressure 151 PSIOpen Pressure 417 PSI
View on
Amazon
QUALCAST Fits: 5.3L V8 326688
🇺🇸 US
Intake and Exhaust2.253 Free Length.
View on
Amazon
SBI Fits: 5.3L V8 1601688
🇺🇸 US 🇨🇦 CA
Intake and Exhaust2.253 Length
Fitment notes — SBI 1601688
Intake and Exhaust2.253 Length1.276T O.D.0.858T I.DConical
View on
Amazon

This table covers the springs that close each intake and exhaust valve. 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.

Valve Spring Retainer

Brand Part Number Markets Notes Buy
GM GENUINE Fits: all 2020 Suburban engines 10166344
🇺🇸 US 🇨🇦 CA
EXH
View on
Amazon
MELLING Fits: all 2020 Suburban engines VSR709
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon

This table covers the Valve Spring retainers.

Valve Spring Retainer Keeper

Brand Part Number Markets Notes Buy
MELLING Popular Fits: all 2020 Suburban engines VL760
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
ENGINETECH Fits: all 2020 Suburban engines EPC291
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Fits Single Round Groov
Fitment notes — ENGINETECH EPC291
Fits:
Single Round Groov
or:
Intake and ExhaustSingle Round Groove
Intake and ExhaustSingle Round Groove
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 10166345
🇺🇸 US 🇨🇦 CA
Material: Alloy Steel
View on
Amazon
QUALCAST Fits: all 2020 Suburban engines 345005
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
0.314 Stem. Round Bead In Middle.
View on
Amazon
SBI Fits: all 2020 Suburban engines 1211085
🇺🇸 US 🇨🇦 CA
Intake and Exhaust0.2900 Length
Fitment notes — SBI 1211085
Intake and Exhaust0.2900 Length1 Round bead type0.3100 I.D.
View on
Amazon

This table covers the keepers that lock each valve-spring retainer to the stem.

Valve Stem Seal

Brand Part Number Markets Notes Buy
ENGINETECH Popular Fits: 5.3L V8 S900V
🇺🇸 US
Viton
Fitment notes — ENGINETECH S900V
Viton
Intake and ExhaustIntake and Exhaust Viton
View on
Amazon
FEL-PRO Popular Fits: all 2020 Suburban engines SS71039
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
Fitment notes — FEL-PRO SS71039
Set
Intake and Exhaust
View on
Amazon
GM GENUINE Popular Fits: all 2020 Suburban engines 12689007
🇺🇸 US 🇨🇦 CA
Intake6 speed Automatic trans.
Fitment notes — GM GENUINE 12689007
Intake6 speed Automatic trans.
Intake10 Speed Transmission
View on
Amazon
GM GENUINE Popular Fits: all 2020 Suburban engines 12689006
🇺🇸 US 🇨🇦 CA
Exhaust10 speed Automatic trans.
Fitment notes — GM GENUINE 12689006
Exhaust10 speed Automatic trans.
Exhaust6 speed Automatic trans.
View on
Amazon
APEX Fits: all 2020 Suburban engines AVS3072
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Set
Fitment notes — APEX AVS3072
Set
Intake and Exhaust
View on
Amazon
ELRING Fits: all 2020 Suburban engines 448430
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Material: FPM (fluoride rubber)Outer Diameter [MM]: 30,2
Fitment notes — ELRING 448430
Material: FPM (fluoride rubber)Outer Diameter [MM]: 30,2Valve Stem Diameter [MM]: 8
LS ModelBody code: C15906
Body code: C15906
View on
Amazon
ELRING Fits: all 2020 Suburban engines 454610
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Material: FPM (fluoride rubber)Outer Diameter [MM]: 30,2
Fitment notes — ELRING 454610
Material: FPM (fluoride rubber)Outer Diameter [MM]: 30,2Valve Stem Diameter [MM]: 8
LS ModelBody code: C15906
Body code: C15906
View on
Amazon
ELRING Fits: all 2020 Suburban engines 876100
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Material: FPM (fluoride rubber)Outer Diameter [MM]: 30,1
Fitment notes — ELRING 876100
Material: FPM (fluoride rubber)Outer Diameter [MM]: 30,1Valve Stem Diameter [MM]: 8,5
LS ModelBody code: C15906
Body code: C15906
View on
Amazon
ELRING Fits: all 2020 Suburban engines 876110
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Material: FPM (fluoride rubber)Outer Diameter [MM]: 30,2
Fitment notes — ELRING 876110
Material: FPM (fluoride rubber)Outer Diameter [MM]: 30,2Valve Stem Diameter [MM]: 8,5
LS ModelBody code: C15906
Body code: C15906
View on
Amazon
MAHLE / CLEVITE Fits: all 2020 Suburban engines SS46078
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
SetMetal with Molded Rubber
Fitment notes — MAHLE / CLEVITE SS46078
SetMetal with Molded RubberIncludes 16 Pieces
Intake and ExhaustPositive Type
View on
Amazon
SBI Fits: all 2020 Suburban engines 1221337
🇺🇸 US 🇨🇦 CA
IntakeViton Material
Fitment notes — SBI 1221337
IntakeViton MaterialPositive TypeTop Hat Style5/16 Nominal Stem Diameter
View on
Amazon
SBI Fits: all 2020 Suburban engines 1221338
🇺🇸 US 🇨🇦 CA
ExhaustViton Material
Fitment notes — SBI 1221338
ExhaustViton MaterialPositive TypeTop Hat Style5/16 Nominal Stem Diameter
View on
Amazon
VICTOR REINZ Fits: all 2020 Suburban engines 121003401
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
SetContains 16 Pieces
Fitment notes — VICTOR REINZ 121003401
SetContains 16 PiecesImproved Design
Intake and Exhaust
View on
Amazon

This table covers the seals on each valve stem that control oil into the guides. 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.

Variable Valve Timing (VVT) Solenoid / Actuator

Economy

Brand Part Number Markets Notes Buy
DORMAN Fits: all 2020 Suburban engines 916516
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Oil Control
View on
Amazon
DORMAN Fits: all 2020 Suburban engines 916603
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Adjuster Magnet
View on
Amazon
GATES Fits: 5.3L V8 VVS216
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Oil Control Valve
View on
Amazon
HOLSTEIN Fits: all 2020 Suburban engines 2VTS0566
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Adjuster Magnet
View on
Amazon
HOLSTEIN Fits: all 2020 Suburban engines 2VTS0251
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
ROSTRA Fits: all 2020 Suburban engines 790120
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Oil Control Valve
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: all 2020 Suburban engines 12670340
🇺🇸 US 🇨🇦 CA
Adjuster Magnet
Fitment notes — GM GENUINE 12670340
Adjuster Magnet
Magnet SensorUse with Harn 12671443(L83, L86, LT1, LV3) or Use with Harn 12671445(L8B)
View on
Amazon
GM GENUINE Popular Fits: all 2020 Suburban engines 12681018
🇺🇸 US 🇨🇦 CA
Activation Type: MechanicalThread Size: .551
View on
Amazon
MELLING Popular Fits: all 2020 Suburban engines VCTO1001
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Oil Control
View on
Amazon
CLOYES Fits: all 2020 Suburban engines VTS210
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
S.A. GEAR Fits: all 2020 Suburban engines S1515S
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Oil Control
Fitment notes — S.A. GEAR S1515S
Oil Control
Oil Control ValveECOTEC3
Oil Control Valve
View on
Amazon
STANDARD MOTOR PRODUCTS Fits: 5.3L V8 VVT375
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Oil Control
View on
Amazon
STANDARD MOTOR PRODUCTS Fits: 5.3L V8 VVT376
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Adjuster Magnet
View on
Amazon

This table covers the oil-control solenoids that command the cam phasers. 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.

Variable Valve Timing (VVT) Solenoid Gasket / Seal

Brand Part Number Markets Notes Buy
ELRING Fits: all 2020 Suburban engines 836210
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Material: ACM (Polyacrylate)
Fitment notes — ELRING 836210
Material: ACM (Polyacrylate)
LS ModelBody code: C15906Adjuster Seal
Body code: C15906Adjuster Seal
View on
Amazon
GM GENUINE Fits: all 2020 Suburban engines 12623437
🇺🇸 US 🇨🇦 CA
ADJUSTER MAGNET
View on
Amazon

This table covers the seals at the Variable Valve Timing (VVT) Solenoid Gasket. 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.

Variable Valve Timing (VVT) Sprocket

Economy

Brand Part Number Markets Notes Buy
DORMAN Fits: all 2020 Suburban engines 918706
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon

Standard Replacement

Brand Part Number Markets Notes Buy
GM GENUINE Popular Fits: all 2020 Suburban engines 12623368
🇺🇸 US 🇨🇦 CA
Mount Hole Diameter (mm): 21mm
View on
Amazon
MELLING Popular Fits: all 2020 Suburban engines VCTA1015H
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Service Grade
View on
Amazon
ENGINETECH Fits: 5.3L V8 ECP8359
🇺🇸 US
One required
View on
Amazon
PREFERRED COMPONENTS INC Fits: all 2020 Suburban engines G58359
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon
S.A. GEAR Fits: all 2020 Suburban engines S1515
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Cam VVTEco Tec3
Fitment notes — S.A. GEAR S1515
Cam VVTEco Tec3
Cam VVT
View on
Amazon
STANDARD MOTOR PRODUCTS Fits: all 2020 Suburban engines VVT630
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
Lug Hole Diametermm: 20.828
View on
Amazon

This table covers the cam phaser sprockets used by the variable-valve-timing system.

Variable Valve Timing (VVT) Sprocket Bolt

Brand Part Number Markets Notes Buy
CLOYES Fits: all 2020 Suburban engines VCB119
🇺🇸 US 🇨🇦 CA 🇲🇽 MX
View on
Amazon

This table covers the Variable Valve Timing (VVT) Sprocket bolts.

Buying Engine Parts for a 2020 Chevrolet Suburban

On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.

  • Match the engine first. Some engine parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
  • Read the notes on each row for position, trim and spec qualifiers before you order.
  • Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Connecting Rod Bearing and Oil .

Frequently Asked Questions

How many engine parts fit the 2020 Chevrolet Suburban?

Our catalog currently lists 531 engine parts for the 2020 Chevrolet Suburban across 99 subcategories and 55 brands, covering both the 5.3L V8 and the 6.2L V8. Each part is matched to the engine(s) it fits.

Do engine parts differ between 2020 Chevrolet Suburban engines?

Some do. 340 parts fit every engine; the other 191 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

What are the signs of engine problems on a 2020 Chevrolet Suburban?

Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What oil viscosity is listed for the 2020 Chevrolet Suburban?

Oil rows on this page include SAE 0W-20. Confirm the engine and the weight on the filler cap before you buy — high-mileage and standard fills can differ.

What should I replace at the same time?

Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.

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 2020 Chevrolet Suburban 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 2020 Chevrolet Suburban?

First match the engine — each row shows which engine(s) the part fits. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2020 Chevrolet Suburban

Engine Parts for Other Chevrolet Suburban Years

Switch vehicle or jump to a subcategory

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.