2025 Chevrolet LCF Engine Parts

Engine:

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

139 Engine parts are listed for the 2025 Chevrolet LCF, in 76 part types, covering all 3 engine options (5.2L L4 DIESEL Turbocharged, 6.6L V8 and 6.7L L6 DIESEL Turbocharged). Each one has a brand, a manufacturer part number and notes that say where it fits.

The engine on the 2025 Chevrolet LCF covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. The largest groups are Oil Filter (13 parts), Piston (5 parts) and Camshaft Bearing (4 parts). The other 73 part types cover the remaining 117 parts.

Barometric Pressure Sensor

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12711681
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 12711681
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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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

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12672469
🇺🇸 US 🇨🇦 CA
Exhaust Duration at .050 inch Lift: 338 DD
Fitment notes — GM GENUINE 12672469
Exhaust Duration at .050 inch Lift: 338 DD
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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MELLING Fits: 6.6L V8 MC1432
🇺🇸 US
LCF 3500HG
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This table covers the camshafts that open the valves.

Camshaft Bearing

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 19260877
🇺🇸 US 🇨🇦 CA
LCF 5500HGThickness Diameter .0898-.0894
Fitment notes — GM GENUINE 19260877
LCF 5500HGThickness Diameter .0898-.0894Position # 1 and # 5
LCF 3500HG or LCF 5500HG or LCF 5500XGThickness Diameter .0898-.0894Position # 1 and # 5
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 19260878
🇺🇸 US 🇨🇦 CA
LCF 5500HGThickness Diameter .082-.0798
Fitment notes — GM GENUINE 19260878
LCF 5500HGThickness Diameter .082-.0798Position # 2 and # 4
LCF 3500HG or LCF 5500HG or LCF 5500XGThickness Diameter .082-.0798Position # 2 and # 4
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 19260879
🇺🇸 US 🇨🇦 CA
LCF 5500HGTHK DIA .0703-.0699
Fitment notes — GM GENUINE 19260879
LCF 5500HGTHK DIA .0703-.0699Position # 3
LCF 3500HG or LCF 5500HG or LCF 5500XGTHK DIA .0703-.0699Position # 3
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12679049
🇺🇸 US 🇨🇦 CA
LCF 5500HGPosition # 4(V6) or Position # 5(V8)
Fitment notes — GM GENUINE 12679049
LCF 5500HGPosition # 4(V6) or Position # 5(V8)
LCF 3500HG or LCF 5500HG or LCF 5500XGPosition # 4(V6) or Position # 5
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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
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 11561455
🇺🇸 US 🇨🇦 CA
LCF 5500HGM8X1.25X15
Fitment notes — GM GENUINE 11561455
LCF 5500HGM8X1.25X15M6 X 1.0 X 15.5Retainer Bolt
LCF 3500HG or LCF 5500HG or LCF 5500XGM8X1.25X15M6 X 1.0 X 15.5Retainer Bolt
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This table covers the Camshaft bolts.

Camshaft Dowel Pin

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 24575061
🇺🇸 US 🇨🇦 CA
Outside Diameter (In): 0.185 In
Fitment notes — GM GENUINE 24575061
Outside Diameter (In): 0.185 In
LCF 5500HG17MM LONG
LCF 3500HG or LCF 5500HG or LCF 5500XG17MM LONG
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This table covers the Camshaft Dowel pins.

Camshaft Retainer / Thrust Plate

Brand Part Number Markets Notes Buy
FEL-PRO Fits: 6.6L V8 ES73115
🇺🇸 US
Camshaft retainer plate & mounting bolts includedComplete Set
Fitment notes — FEL-PRO ES73115
Camshaft retainer plate & mounting bolts includedComplete Set
LCF 3500HGWill Service Both Recessed Bolt Holes & Flat-Type Bolt Holes
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12589016
🇺🇸 US 🇨🇦 CA
Includes Seal
Fitment notes — GM GENUINE 12589016
Includes Seal
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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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.

Connecting Rod Bearing

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12735504
🇺🇸 US 🇨🇦 CA
Contains 2 Bearing Inserts
Fitment notes — GM GENUINE 12735504
Contains 2 Bearing Inserts
LCF 5500HGStandard
LCF 3500HG or LCF 5500HG or LCF 5500XGStandard
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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: 5.2L L4 DIESEL Turbocharged, 6.6L V8 11548432
🇺🇸 US 🇨🇦 CA
LCF 5500HGM9X1X44
Fitment notes — GM GENUINE 11548432
LCF 5500HGM9X1X44
LCF 3500HG or LCF 5500HG or LCF 5500XGM9X1X44
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This table covers the Connecting Rod bolts.

Crankcase Pressure Sensor

Brand Part Number Markets Notes Buy
DORMAN Fits: 6.7L L6 DIESEL Turbocharged 9047119
🇺🇸 US
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This table covers the Crankcase 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.

Crankshaft

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12708884
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 12708884
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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This table covers the crankshafts that turn piston motion into rotation.

Crankshaft Main Bearing

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12729655
🇺🇸 US 🇨🇦 CA
LCF 5500HGCOMPLETE KIT POSITIONS 1-5
Fitment notes — GM GENUINE 12729655
LCF 5500HGCOMPLETE KIT POSITIONS 1-5
LCF 3500HG or LCF 5500HG or LCF 5500XGCOMPLETE KIT POSITIONS 1-5
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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
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 11546565
🇺🇸 US 🇨🇦 CA
LCF 5500HGM8X1.25X25
Fitment notes — GM GENUINE 11546565
LCF 5500HGM8X1.25X25HEX FLANGE
LCF 3500HG or LCF 5500HG or LCF 5500XGM8X1.25X25HEX FLANGE
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 11548076
🇺🇸 US 🇨🇦 CA
LCF 5500HGSINGLE USE
Fitment notes — GM GENUINE 11548076
LCF 5500HGSINGLE USEM10X2X96
LCF 3500HG or LCF 5500HG or LCF 5500XGSINGLE USEM10X2X96
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 11548075
🇺🇸 US 🇨🇦 CA
LCF 5500HGSINGLE USE
Fitment notes — GM GENUINE 11548075
LCF 5500HGSINGLE USEM10X2X82
LCF 3500HG or LCF 5500HG or LCF 5500XGSINGLE USEM10X2X82
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged 11508885
🇺🇸 US 🇨🇦 CA
LCF 4500HD or LCF 4500XD or LCF 5500XDwith Adhesive and Flange
Fitment notes — GM GENUINE 11508885
LCF 4500HD or LCF 4500XD or LCF 5500XDwith Adhesive and FlangeM6X12
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This table covers the Crankshaft Main Bearing Cap bolts.

Crankshaft Seal

Brand Part Number Markets Notes Buy
FEL-PRO Fits: 6.6L V8 TCS46221
🇺🇸 US
FrontLCF 3500HG
Fitment notes — FEL-PRO TCS46221
FrontLCF 3500HGRecommend replacing Engine Crankshaft Pulley Bolt with FEL-Pro 73372
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12634614
🇺🇸 US 🇨🇦 CA
Material: Steel PlasticSeal Type: Spring Loaded Multi Lip
Fitment notes — GM GENUINE 12634614
Material: Steel PlasticSeal Type: Spring Loaded Multi Lip
FrontLCF 5500HG
FrontLCF 3500HG or LCF 5500HG or LCF 5500XG
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12665076
🇺🇸 US 🇨🇦 CA
RearLCF 5500HG
Fitment notes — GM GENUINE 12665076
RearLCF 5500HGSingle Use
RearLCF 3500HG or LCF 5500HG or LCF 5500XGSingle Use
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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
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12705664
🇺🇸 US 🇨🇦 CA
RearLCF 5500HG
Fitment notes — GM GENUINE 12705664
RearLCF 5500HG
RearLCF 3500HG or LCF 5500HG or LCF 5500XG
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This table covers the Crankshaft Seal covers.

Crankshaft Seal Gasket

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12627520
🇺🇸 US 🇨🇦 CA
Black
Fitment notes — GM GENUINE 12627520
Black
RearLCF 5500HG
RearLCF 3500HG or LCF 5500HG or LCF 5500XG
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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 Head

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12705857
🇺🇸 US 🇨🇦 CA
Fits LCF 5500HG17,095 lbs Gross Vehicle Weight (C7X)
Fitment notes — GM GENUINE 12705857
Fits:
LCF 5500HG17,095 lbs Gross Vehicle Weight (C7X)
or:
LCF 5500HGGVW Rating 19, 500 lbs
Fits:
LCF 3500HG
or:
LCF 5500HG or LCF 5500XG17,095 lbs Gross Vehicle Weight (C7X)
or:
LCF 5500HG or LCF 5500XGGVW Rating 19, 500 lbs
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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: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12570326
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 12570326
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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This table covers the Cylinder Head Alignment Dowel pins.

Cylinder Head Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 11611976
🇺🇸 US 🇨🇦 CA
LCF 5500HGSINGLE USE
Fitment notes — GM GENUINE 11611976
LCF 5500HGSINGLE USEM12X1.75X102
LCF 3500HG or LCF 5500HG or LCF 5500XGSINGLE USEM12X1.75X102
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 11546959
🇺🇸 US 🇨🇦 CA
LCF 5500HGSINGLE USE
Fitment notes — GM GENUINE 11546959
LCF 5500HGSINGLE USEM12X1.75X134
LCF 3500HG or LCF 5500HG or LCF 5500XGSINGLE USEM12X1.75X134
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This table covers the bolts that clamp the cylinder head to the block.

Cylinder Head Gasket

Brand Part Number Markets Notes Buy
ENGINE PRO Fits: 6.6L V8 2812688186
🇺🇸 US
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12688186
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 12688186
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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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 Plug

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 24502262
🇺🇸 US 🇨🇦 CA
LCF 5500HG1.014 OD,.32 THK,FROM .05 THK 304 STAINLESS
Fitment notes — GM GENUINE 24502262
LCF 5500HG1.014 OD,.32 THK,FROM .05 THK 304 STAINLESS
LCF 3500HG or LCF 5500HG or LCF 5500XG1.014 OD,.32 THK,FROM .05 THK 304 STAINLESS
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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.

Engine Block Drain Plug

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 11602951
🇺🇸 US 🇨🇦 CA
LCF 5500HGM28X1.25X18
Fitment notes — GM GENUINE 11602951
LCF 5500HGM28X1.25X18
LCF 3500HG or LCF 5500HG or LCF 5500XGM28X1.25X18
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 11546667
🇺🇸 US 🇨🇦 CA
Thread Diameter (In): 0.63 In
Fitment notes — GM GENUINE 11546667
Thread Diameter (In): 0.63 In
LCF 5500HGM16X1.5X16.25
LCF 3500HG or LCF 5500HG or LCF 5500XGM16X1.5X16.25
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This table covers the Engine Block drain plugs.

Engine Cover Grommet

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12594875
🇺🇸 US 🇨🇦 CA
Material: Rubber
Fitment notes — GM GENUINE 12594875
Material: Rubber
LCF 5500HGTop
LCF 3500HG or LCF 5500HG or LCF 5500XGTop
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This table covers the Engine Cover grommets.

Exhaust Valve

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12733470
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 12733470
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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MELLING Fits: 6.6L V8 V5828
🇺🇸 US
LCF 3500HG
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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.

Expansion Plug

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged 94033681
🇺🇸 US 🇨🇦 CA
LowerLCF 4500HD or LCF 4500XD or LCF 5500XD
Fitment notes — GM GENUINE 94033681
LowerLCF 4500HD or LCF 4500XD or LCF 5500XDOD=20mm
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged 94029588
🇺🇸 US 🇨🇦 CA
LowerLCF 4500HD or LCF 4500XD or LCF 5500XD
Fitment notes — GM GENUINE 94029588
LowerLCF 4500HD or LCF 4500XD or LCF 5500XD16mm OD
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This table covers the Expansion 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.

Harmonic Balancer

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12680364
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 12680364
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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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: 6.6L V8 73372
🇺🇸 US
LCF 3500HG
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 11547372
🇺🇸 US 🇨🇦 CA
LCF 5500HGM16X2X103
Fitment notes — GM GENUINE 11547372
LCF 5500HGM16X2X103
LCF 3500HG or LCF 5500HG or LCF 5500XGM16X2X103
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This table covers the Harmonic Balancer bolts.

Intake Manifold

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12639087
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 12639087
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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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: 5.2L L4 DIESEL Turbocharged, 6.6L V8 11610472
🇺🇸 US 🇨🇦 CA
LCF 5500HGM6X1X50.65
Fitment notes — GM GENUINE 11610472
LCF 5500HGM6X1X50.65
LCF 3500HG or LCF 5500HG or LCF 5500XGM6X1X50.65
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This table covers the Intake Manifold bolts.

Intake Manifold Gasket

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12626354
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 12626354
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12693081
🇺🇸 US 🇨🇦 CA
LCF 5500HGValley Pan
Fitment notes — GM GENUINE 12693081
LCF 5500HGValley Pan
LCF 3500HG or LCF 5500HG or LCF 5500XGValley Pan
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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
MELLING Fits: 6.6L V8 V5827
🇺🇸 US
LCF 3500HG
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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

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 85043935
🇺🇸 US 🇨🇦 CA
FrontLCF 5500HG
Fitment notes — GM GENUINE 85043935
FrontLCF 5500HG
FrontLCF 3500HG or LCF 5500HG or LCF 5500XG
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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: 5.2L L4 DIESEL Turbocharged, 6.6L V8 11515775
🇺🇸 US 🇨🇦 CA
LCF 5500HG12X1.75X30 10.9
Fitment notes — GM GENUINE 11515775
LCF 5500HG12X1.75X30 10.9
LCF 3500HG or LCF 5500HG or LCF 5500XG12X1.75X30 10.9
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This table covers the Motor Mount bolts.

Oil

Brand Part Number Markets Notes Buy
ACDELCO Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 109324
🇺🇸 US
5W-30(DEXOS1 GEN 3)(Full Synthetic) X 61 Quart
Fitment notes — ACDELCO 109324
5W-30(DEXOS1 GEN 3)(Full Synthetic) X 61 Quart
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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PENTOSIN Fits: 6.6L V8 8044214
🇺🇸 US
5W-30-Pentospeed-DEXOS1 GEN31 Liter
Fitment notes — PENTOSIN 8044214
5W-30-Pentospeed-DEXOS1 GEN31 Liter
For Temperature Above -20 F
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PENTOSIN Fits: 6.6L V8 8044216
🇺🇸 US
5W-30-Pentospeed-DEXOS1 GEN35 Liters
Fitment notes — PENTOSIN 8044216
5W-30-Pentospeed-DEXOS1 GEN35 Liters
For Temperature Above -20 F
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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 Dipstick / Tube Seal

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 24504031
🇺🇸 US 🇨🇦 CA
LCF 5500HG6.07 ID
Fitment notes — GM GENUINE 24504031
LCF 5500HG6.07 ID1.78 Diameter
LCF 3500HG or LCF 5500HG or LCF 5500XG6.07 ID1.78 Diameter
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged 94036238
🇺🇸 US 🇨🇦 CA
LCF 4500HD or LCF 4500XD or LCF 5500XDID=11
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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
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 55577568
🇺🇸 US 🇨🇦 CA
LCF 5500HGM12X1.75X18
Fitment notes — GM GENUINE 55577568
LCF 5500HGM12X1.75X18Hex Head with Internal T45 Torx
LCF 3500HG or LCF 5500HG or LCF 5500XGM12X1.75X18Hex Head with Internal T45 Torx
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12625298
🇺🇸 US 🇨🇦 CA
LCF 5500HG28.65 OD
Fitment notes — GM GENUINE 12625298
LCF 5500HG28.65 OD
LCF 3500HG or LCF 5500HG or LCF 5500XG28.65 OD
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This table covers the drain plugs in the oil pan.

Oil Drain Plug Gasket

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12616850
🇺🇸 US 🇨🇦 CA
LCF 5500HGDiameter 19.39
Fitment notes — GM GENUINE 12616850
LCF 5500HGDiameter 19.39
LCF 3500HG or LCF 5500HG or LCF 5500XGDiameter 19.39
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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: 5.2L L4 DIESEL Turbocharged, 6.6L V8 FC279
🇺🇸 US 🇨🇦 CA
GM Original Equipment
Fitment notes — ACDELCO FC279
GM Original Equipment
LCF 5500HGwithout Fill Tube
LCF 3500HG or LCF 5500HG or LCF 5500XGwithout FILL TUBE
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MOTORAD Fits: 6.6L V8 MO190
🇺🇸 US
LCF 3500HG
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This table covers the caps on the oil filler neck.

Oil Filler Cap Gasket

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 24100002
🇺🇸 US 🇨🇦 CA
LCF 5500HGSize # 320
Fitment notes — GM GENUINE 24100002
LCF 5500HGSize # 32027.94MM Inner Diameter
LCF 3500HG or LCF 5500HG or LCF 5500XGSize # 32027.94MM Inner Diameter
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged 94123623
🇺🇸 US 🇨🇦 CA
LCF 4500HD or LCF 4500XD or LCF 5500XDID=32 OD=40
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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: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12668614
🇺🇸 US 🇨🇦 CA
Gasket Or Seal Included: YES
Fitment notes — GM GENUINE 12668614
Gasket Or Seal Included: YES
Straight TruckLow TiltLCF 5500HG
Fits:
Straight TruckLow TiltLCF 3500HG
or:
Straight TruckLow TiltLCF 5500HG or LCF 5500XG
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This table covers the Oil Filler tubes.

Oil Filler Tube Grommet

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12610201
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 12610201
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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This table covers the Oil Filler Tube grommets.

Oil Filter

Economy

Brand Part Number Markets Notes Buy
FRAM Fits: 6.6L V8 FE10575
🇺🇸 US 🇨🇦 CA
Spin-OnTough Guard or Synthetic Endurance
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FVP Fits: 6.6L V8 R0255
🇺🇸 US
LCF 3500HGOriginal Equipment (OE) Part Number 12690385
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PRO-TEC Fits: 6.6L V8 PXL10255
🇺🇸 US
LCF 3500HG
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VARIOUS MFR Fits: 6.6L V8 PG2500
🇺🇸 US
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High Performance / Heavy Duty

Brand Part Number Markets Notes Buy
MOBIL Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 M1212A
🇺🇸 US
Extended Performance
Fitment notes — MOBIL M1212A
Extended Performance
LCF 5500HG
LCF 3500HG or LCF 4500 or LCF 5500XG
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WIX Fits: 6.6L V8 WL10255XP
🇺🇸 US
XP Extreme DutyBest for Synthetic Motor Oils
Fitment notes — WIX WL10255XP
XP Extreme DutyBest for Synthetic Motor Oils
LCF 3500HG
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Standard Replacement

Brand Part Number Markets Notes Buy
ACDELCO Popular Fits: 6.6L V8, 5.2L L4 DIESEL Turbocharged PF63
🇺🇸 US 🇨🇦 CA
GM Original Equipment
Fitment notes — ACDELCO PF63
GM Original Equipment
LCF 3500HG or LCF 5500HG or LCF 5500XG
LCF 5500HG
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WIX Popular Fits: 6.6L V8 WL10255
🇺🇸 US
Fits LCF 3500HG
Fitment notes — WIX WL10255
Fits:
LCF 3500HG
or:
LCF 4500 or LCF 5500HG or LCF 5500XG
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HASTINGS / BALDWIN Fits: 6.6L V8 LF641
🇺🇸 US
LCF 4500 or LCF 5500HG or LCF 5500XG
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VARIOUS MFR Fits: 6.6L V8 PG2500EX
🇺🇸 US
Extended Life
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WIX Fits: 5.2L L4 DIESEL Turbocharged WL10316
🇺🇸 US
Fits LCF 5500HD or LCF 5500XD
Fitment notes — WIX WL10316
Fits:
LCF 5500HD or LCF 5500XD
or:
LCF 4500HD or LCF 5500HG
or:
LCF 4500XD
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Brand Part Number Markets Notes Buy
HASTINGS / BALDWIN Fits: 6.7L L6 DIESEL Turbocharged LF551
🇺🇸 US
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WIX Fits: 6.7L L6 DIESEL Turbocharged WL10316
🇺🇸 US
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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: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12600225
🇺🇸 US 🇨🇦 CA
LCF 5500HGThreaded Fitting
Fitment notes — GM GENUINE 12600225
LCF 5500HGThreaded FittingM20XM22
LCF 3500HG or LCF 5500HG or LCF 5500XGThreaded FittingM20XM22
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This table covers the Oil Filter adapters.

Oil Galley Plug

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 11546667
🇺🇸 US 🇨🇦 CA
Thread Diameter (In): 0.63 In
Fitment notes — GM GENUINE 11546667
Thread Diameter (In): 0.63 In
Engine BlockLCF 5500HGM16X1.5X16.25
Engine BlockLCF 3500HG or LCF 5500HG or LCF 5500XGM16X1.5X16.25
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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 Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12696433
🇺🇸 US 🇨🇦 CA
LCF 5500HGLabeled 12696433, 12671422
Fitment notes — GM GENUINE 12696433
LCF 5500HGLabeled 12696433, 12671422
LCF 3500HG or LCF 5500HG or LCF 5500XGLabeled 12696433, 12671422
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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
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12638820
🇺🇸 US 🇨🇦 CA
Material: Rubber
Fitment notes — GM GENUINE 12638820
Material: Rubber
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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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: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12678499
🇺🇸 US 🇨🇦 CA
Injector Spray NozzleLCF 5500HG
Fitment notes — GM GENUINE 12678499
Injector Spray NozzleLCF 5500HGPiston Nozzle
Injector Spray NozzleLCF 3500HG or LCF 5500HG or LCF 5500XGPiston Nozzle
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This table covers the Oil nozzles.

Oil Pan

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12739177
🇺🇸 US 🇨🇦 CA
Engine Oil Cooler Return Fitting: No
Fitment notes — GM GENUINE 12739177
Engine Oil Cooler Return Fitting: No
LCF 5500HG
Fits:
LCF 3500HG
or:
LCF 5500HG or LCF 5500XG
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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: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12554990
🇺🇸 US 🇨🇦 CA
LCF 5500HGM6X1.0X136
Fitment notes — GM GENUINE 12554990
LCF 5500HGM6X1.0X136
LCF 3500HG or LCF 5500HG or LCF 5500XGM6X1.0X136
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 11588725
🇺🇸 US 🇨🇦 CA
LCF 5500HGM8X1.25X35
Fitment notes — GM GENUINE 11588725
LCF 5500HGM8X1.25X35
LCF 3500HG or LCF 5500HG or LCF 5500XGM8X1.25X35
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This table covers the Oil Pan bolts.

Oil Pan Cover

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12630766
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 12630766
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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This table covers the Oil Pan covers.

Oil Pan Gasket

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12666993
🇺🇸 US 🇨🇦 CA
FrontLCF 5500HG
Fitment notes — GM GENUINE 12666993
FrontLCF 5500HG
FrontLCF 3500HG or LCF 5500HG or LCF 5500XG
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12623359
🇺🇸 US 🇨🇦 CA
LCF 5500HGOil Pan Cover Gasket
Fitment notes — GM GENUINE 12623359
LCF 5500HGOil Pan Cover Gasket
LCF 3500HG or LCF 5500HG or LCF 5500XGOil Pan Cover Gasket
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12621086
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 12621086
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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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 Pump Bolt

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 11610074
🇺🇸 US 🇨🇦 CA
LCF 5500HGM8X1.25X45
Fitment notes — GM GENUINE 11610074
LCF 5500HGM8X1.25X45
LCF 3500HG or LCF 5500HG or LCF 5500XGM8X1.25X45
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This table covers the Oil Pump bolts.

Oil Pump Gasket

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12638433
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 12638433
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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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 Sump Windage Tray

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12619978
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 12619978
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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This table covers the windage trays that keep crank windage out of the oil sump.

Piston

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12699527
🇺🇸 US 🇨🇦 CA
RightLCF 5500HG
Fitment notes — GM GENUINE 12699527
RightLCF 5500HGStandardRound-Pad Pistons with Cast Mark On Pin Boss
RightLCF 3500HG or LCF 5500HG or LCF 5500XGStandardRound-Pad Pistons with Cast Mark On Pin Boss
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12699528
🇺🇸 US 🇨🇦 CA
RightLCF 5500HG
Fitment notes — GM GENUINE 12699528
RightLCF 5500HG0.5mm O.S.
RightLCF 3500HG or LCF 5500HG or LCF 5500XG0.5mm O.S.
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12699529
🇺🇸 US 🇨🇦 CA
LeftLCF 5500HG
Fitment notes — GM GENUINE 12699529
LeftLCF 5500HGStandardRound-Pad Pistons with Cast Mark On Pin Boss
LeftLCF 3500HG or LCF 5500HG or LCF 5500XGStandardRound-Pad Pistons with Cast Mark On Pin Boss
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12699530
🇺🇸 US 🇨🇦 CA
LeftLCF 5500HG
Fitment notes — GM GENUINE 12699530
LeftLCF 5500HG0.5mm O.S.
LeftLCF 3500HG or LCF 5500HG or LCF 5500XG0.5mm O.S.
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12817339
🇺🇸 US 🇨🇦 CA
RightLCF 5500HG
Fitment notes — GM GENUINE 12817339
RightLCF 5500HGRectangular-Pad Pistons with Laser Etched Mark On Pin Boss
RightLCF 3500HG or LCF 5500HG or LCF 5500XGRectangular-Pad Pistons with Laser Etched Mark On Pin Boss
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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: 5.2L L4 DIESEL Turbocharged, 6.6L V8 01647383
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 01647383
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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This table covers the Piston Pin retainers.

Piston Ring

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12735470
🇺🇸 US 🇨🇦 CA
Top Ring Material: Steel
Fitment notes — GM GENUINE 12735470
Top Ring Material: Steel
LCF 5500HGStandard Size
LCF 3500HG or LCF 5500HG or LCF 5500XGStandard Size
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12661872
🇺🇸 US 🇨🇦 CA
Set
Fitment notes — GM GENUINE 12661872
Set
LCF 5500HGO/S.5MM
LCF 3500HG or LCF 5500HG or LCF 5500XGO/S.5MM
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This table covers the rings that seal each piston to the cylinder wall.

Push Rod

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12619828
🇺🇸 US 🇨🇦 CA
Material: Steel
Fitment notes — GM GENUINE 12619828
Material: Steel
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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MELLING Fits: 6.6L V8 MPR696
🇺🇸 US
LCF 3500HG
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SBI Fits: 6.6L V8 1901555
🇺🇸 US
Intake and Exhaust7.850 Length
Fitment notes — SBI 1901555
Intake and Exhaust7.850 Length344X075 Diameter/Wall
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This table covers the pushrods that transfer lifter motion to the rocker arms.

Rocker Arm

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12619829
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 12619829
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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MELLING Fits: 6.6L V8 MR913
🇺🇸 US
LCF 3500HG
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SBI Fits: 6.6L V8 1801343
🇺🇸 US
Intake and ExhaustRoller Pivot Assy.
Fitment notes — SBI 1801343
Intake and ExhaustRoller Pivot Assy.Note: with BoltCaptive Bearing Design with High Grade Steel Trunion
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This table covers the rocker arms that transfer cam motion to the valves.

Timing Chain

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12646387
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 12646387
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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MELLING Fits: 6.6L V8 3SRH60
🇺🇸 US
LCF 3500HG
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This table covers the timing chains that keep the cams in time with the crank.

Timing Chain & Component Kit

Brand Part Number Markets Notes Buy
MELLING Fits: 6.6L V8 33SRH60SX
🇺🇸 US
Does Not Include Sprockets
Fitment notes — MELLING 33SRH60SX
Does Not Include Sprockets
LCF 3500HG
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MELLING Fits: 6.6L V8 33SRH60SE
🇺🇸 US
Balance Shaft Drive Components Not Included
Fitment notes — MELLING 33SRH60SE
Balance Shaft Drive Components Not Included
LCF 3500HG
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This table covers kits that group a timing chain with the related tensioners and guides.

Timing Chain Tensioner

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 11515758
🇺🇸 US 🇨🇦 CA
LCF 5500HGM8X1.25X30
Fitment notes — GM GENUINE 11515758
LCF 5500HGM8X1.25X30Tensioner Bolt Only
LCF 3500HG or LCF 5500HG or LCF 5500XGM8X1.25X30Tensioner Bolt Only
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12630107
🇺🇸 US 🇨🇦 CA
LCF 5500HGCAM DRIVE
Fitment notes — GM GENUINE 12630107
LCF 5500HGCAM DRIVE
LCF 3500HG or LCF 5500HG or LCF 5500XGCAM DRIVE
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MELLING Fits: 6.6L V8 BT5174
🇺🇸 US
LCF 3500HG
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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: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12691692
🇺🇸 US 🇨🇦 CA
FrontLCF 5500HG
Fitment notes — GM GENUINE 12691692
FrontLCF 5500HGMUST Use with DOWEL PIN 22531637 QTY 2
FrontLCF 3500HG or LCF 5500HG or LCF 5500XGMUST Use with DOWEL PIN 22531637 QTY 2
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SKP Fits: 6.6L V8 SK12691692
🇺🇸 US
FrontLCF 3500HG or LCF 5500HG or LCF 5500XG
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This table covers the Timing covers.

Timing Crank Sprocket

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12713934
🇺🇸 US 🇨🇦 CA
Keyway Adjustable: YESTooth Quantity: 22
Fitment notes — GM GENUINE 12713934
Keyway Adjustable: YESTooth Quantity: 22
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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MELLING Fits: 6.6L V8 S1355
🇺🇸 US
LCF 3500HG
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This table covers the crankshaft sprockets that drive the timing chain or belt.

Valve Cover

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12723317
🇺🇸 US 🇨🇦 CA
Mounting Hardware Included: YES
Fitment notes — GM GENUINE 12723317
Mounting Hardware Included: YES
LeftLCF 5500HG
LeftLCF 3500HG or LCF 5500HG or LCF 5500XG
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12727455
🇺🇸 US 🇨🇦 CA
Mounting Hardware Included: YES
Fitment notes — GM GENUINE 12727455
Mounting Hardware Included: YES
RightLCF 5500HG
RightLCF 3500HG or LCF 5500HG or LCF 5500XG
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This table covers the Valve covers.

Valve Cover Bolt / Screw

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 11547061
🇺🇸 US 🇨🇦 CA
Bolt Type: Hex Flanged
Fitment notes — GM GENUINE 11547061
Bolt Type: Hex Flanged
LCF 5500HGM6X1X30
LCF 3500HG or LCF 5500HG or LCF 5500XGM6X1X30
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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
FEL-PRO Fits: 6.6L V8 VS50907R
🇺🇸 US
Permadry RubberValve Cover Grommets Not Included
Fitment notes — FEL-PRO VS50907R
Permadry RubberValve Cover Grommets Not Included
LCF 3500HG or LCF 5500XG
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12619787
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 12619787
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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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 Guide

Brand Part Number Markets Notes Buy
SBI Fits: 6.6L V8 1403204
🇺🇸 US
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
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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

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12698945
🇺🇸 US 🇨🇦 CA
LCF 5500HGLIFTERS ONLY
Fitment notes — GM GENUINE 12698945
LCF 5500HGLIFTERS ONLYNON-ACTIVE FUEL MANAGEMENT LIFTER
LCF 3500HG or LCF 5500HG or LCF 5500XGLIFTERS ONLYNON-ACTIVE FUEL MANAGEMENT LIFTER
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SBI Fits: 6.6L V8 VL559
🇺🇸 US
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.
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This table covers the lifters / tappets that transfer cam motion to the valves.

Valve Lifter Guide

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12595365
🇺🇸 US 🇨🇦 CA
Tray
Fitment notes — GM GENUINE 12595365
Tray
LCF 5500HGAccommodates 4 Valve Lifters Each, with Side Grooves
LCF 3500HG or LCF 5500HG or LCF 5500XGAccommodates 4 Valve Lifters Each, with Side Grooves
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This table covers the guides that keep each lifter aligned.

Valve Spring

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12728733
🇺🇸 US 🇨🇦 CA
Spring Type: Single Spring
Fitment notes — GM GENUINE 12728733
Spring Type: Single Spring
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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SBI Fits: 6.6L V8 1601688
🇺🇸 US
Intake and Exhaust2.253 Length
Fitment notes — SBI 1601688
Intake and Exhaust2.253 Length1.276T O.D.0.858T I.DConical
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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: 5.2L L4 DIESEL Turbocharged, 6.6L V8 10166344
🇺🇸 US 🇨🇦 CA
LCF 5500HGEXH
Fitment notes — GM GENUINE 10166344
LCF 5500HGEXH
LCF 3500HG or LCF 5500HG or LCF 5500XGEXH
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MELLING Fits: 6.6L V8 VSR709
🇺🇸 US
LCF 3500HG
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This table covers the Valve Spring retainers.

Valve Spring Retainer Keeper

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 10166345
🇺🇸 US 🇨🇦 CA
Material: Alloy Steel
Fitment notes — GM GENUINE 10166345
Material: Alloy Steel
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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MELLING Fits: 6.6L V8 VL760
🇺🇸 US
LCF 3500HG
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SBI Fits: 6.6L V8 1211085
🇺🇸 US
Intake and Exhaust0.2900 Length
Fitment notes — SBI 1211085
Intake and Exhaust0.2900 Length1 Round bead type0.3100 I.D.
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This table covers the keepers that lock each valve-spring retainer to the stem.

Valve Stem Seal

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12689006
🇺🇸 US 🇨🇦 CA
ExhaustLCF 5500HG
Fitment notes — GM GENUINE 12689006
ExhaustLCF 5500HG
ExhaustLCF 3500HG or LCF 5500HG or LCF 5500XG
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GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12689007
🇺🇸 US 🇨🇦 CA
IntakeLCF 5500HG
Fitment notes — GM GENUINE 12689007
IntakeLCF 5500HG
IntakeLCF 3500HG or LCF 5500HG or LCF 5500XG
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SBI Fits: 6.6L V8 1221337
🇺🇸 US
IntakeViton Material
Fitment notes — SBI 1221337
IntakeViton MaterialPositive TypeTop Hat Style5/16 Nominal Stem Diameter
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SBI Fits: 6.6L V8 1221338
🇺🇸 US
ExhaustViton Material
Fitment notes — SBI 1221338
ExhaustViton MaterialPositive TypeTop Hat Style5/16 Nominal Stem Diameter
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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

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12675031
🇺🇸 US 🇨🇦 CA
Adjuster Magnet
Fitment notes — GM GENUINE 12675031
Adjuster Magnet
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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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
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12623437
🇺🇸 US 🇨🇦 CA
LCF 5500HGAdjuster Magnet
Fitment notes — GM GENUINE 12623437
LCF 5500HGAdjuster Magnet
LCF 3500HG or LCF 5500HG or LCF 5500XGAdjuster Magnet
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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

Brand Part Number Markets Notes Buy
GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 12689342
🇺🇸 US 🇨🇦 CA
LCF 5500HG
Fitment notes — GM GENUINE 12689342
LCF 5500HG
LCF 3500HG or LCF 5500HG or LCF 5500XG
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This table covers the cam phaser sprockets used by the variable-valve-timing system.

Buying Engine Parts for a 2025 Chevrolet LCF

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. Every engine part here is 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: Oil Filter and Piston .

Frequently Asked Questions

How many engine parts fit the 2025 Chevrolet LCF?

Our catalog currently lists 139 engine parts for the 2025 Chevrolet LCF across 76 subcategories and 17 brands, covering all 3 engine options (5.2L L4 DIESEL Turbocharged, 6.6L V8 and 6.7L L6 DIESEL Turbocharged). Each part is matched to the engine(s) it fits.

Do engine parts differ between 2025 Chevrolet LCF engines?

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

What are the signs of engine problems on a 2025 Chevrolet LCF?

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 2025 Chevrolet LCF?

Oil rows on this page include SAE 5W-30. 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 2025 Chevrolet LCF 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 2025 Chevrolet LCF?

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 2025 Chevrolet LCF

Engine Parts for Other Chevrolet LCF Years

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