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.
The 2025 Chevrolet LCF was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
17 brands supply engine parts for the 2025 Chevrolet LCF, led by GM GENUINE (94 parts), MELLING (12 parts) and SBI (8 parts), plus 14 more brands. Quality grades include Standard Replacement, Economy and High Performance / Heavy Duty.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2025 Chevrolet LCF. 2 parts have it, including ACDELCO PF63 (Oil Filter) and WIX WL10255 (Oil Filter). Each part number opens a page with every vehicle that part fits.
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 | 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.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 12711681.
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 | View on Amazon |
| MELLING Fits: 6.6L V8 | MC1432 | 🇺🇸 US | LCF 3500HG | View on Amazon |
This table covers the camshafts that open the valves.
2 Camshaft parts are listed for the 2025 Chevrolet LCF, from GM GENUINE and MELLING.
This group includes GM GENUINE 12672469 and MELLING MC1432.
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 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 19260878 | 🇺🇸 US 🇨🇦 CA | LCF 5500HGThickness Diameter .082-.0798 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 19260879 | 🇺🇸 US 🇨🇦 CA | LCF 5500HGTHK DIA .0703-.0699 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12679049 | 🇺🇸 US 🇨🇦 CA | LCF 5500HGPosition # 4(V6) or Position # 5(V8) | 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.
GM GENUINE supplies the 4 Camshaft Bearing parts for the 2025 Chevrolet LCF.
This group includes GM GENUINE 19260877, GM GENUINE 19260878 and GM GENUINE 19260879 and the remaining parts above.
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 | View on Amazon |
This table covers the Camshaft bolts.
This group shows a single part: GM GENUINE 11561455.
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 | View on Amazon |
This table covers the Camshaft Dowel pins.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 24575061.
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 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12589016 | 🇺🇸 US 🇨🇦 CA | Includes Seal | 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.
2 Camshaft Retainer / Thrust Plate parts for the 2025 Chevrolet LCF come from 2 brands — FEL-PRO and GM GENUINE.
This group includes FEL-PRO ES73115 and GM GENUINE 12589016.
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 | 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.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 12735504.
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 | View on Amazon |
This table covers the Connecting Rod bolts.
This group shows a single part: GM GENUINE 11548432.
Crankcase Pressure Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 6.7L L6 DIESEL Turbocharged | 9047119 | 🇺🇸 US | View on Amazon |
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.
This group shows a single part: DORMAN 9047119.
Crankshaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12708884 | 🇺🇸 US 🇨🇦 CA | LCF 5500HG | View on Amazon |
This table covers the crankshafts that turn piston motion into rotation.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 12708884.
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 | 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.
This group shows a single part: GM GENUINE 12729655.
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 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 11548076 | 🇺🇸 US 🇨🇦 CA | LCF 5500HGSINGLE USE | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 11548075 | 🇺🇸 US 🇨🇦 CA | LCF 5500HGSINGLE USE | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged | 11508885 | 🇺🇸 US 🇨🇦 CA | LCF 4500HD or LCF 4500XD or LCF 5500XDwith Adhesive and Flange | View on Amazon |
This table covers the Crankshaft Main Bearing Cap bolts.
GM GENUINE supplies the 4 Crankshaft Main Bearing Cap Bolt parts for the 2025 Chevrolet LCF.
Part numbers include GM GENUINE 11546565, GM GENUINE 11548076 and GM GENUINE 11548075, among others listed above.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 6.6L V8 | TCS46221 | 🇺🇸 US | FrontLCF 3500HG | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12634614 | 🇺🇸 US 🇨🇦 CA | Material: Steel PlasticSeal Type: Spring Loaded Multi Lip | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12665076 | 🇺🇸 US 🇨🇦 CA | RearLCF 5500HG | 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.
3 Crankshaft Seal parts for the 2025 Chevrolet LCF come from 2 brands — GM GENUINE and FEL-PRO.
Part numbers include FEL-PRO TCS46221, GM GENUINE 12634614 and GM GENUINE 12665076.
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 | View on Amazon |
This table covers the Crankshaft Seal covers.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 12705664.
Crankshaft Seal Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12627520 | 🇺🇸 US 🇨🇦 CA | Black | 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.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 12627520.
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) | View on Amazon |
This table covers the cylinder heads that close the top of the block.
This group shows a single part: GM GENUINE 12705857.
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 | View on Amazon |
This table covers the Cylinder Head Alignment Dowel pins.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 12570326.
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 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 11546959 | 🇺🇸 US 🇨🇦 CA | LCF 5500HGSINGLE USE | View on Amazon |
This table covers the bolts that clamp the cylinder head to the block.
GM GENUINE supplies both parts for the 2025 Chevrolet LCF.
This group includes GM GENUINE 11611976 and GM GENUINE 11546959.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ENGINE PRO Fits: 6.6L V8 | 2812688186 | 🇺🇸 US | View on Amazon | |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12688186 | 🇺🇸 US 🇨🇦 CA | LCF 5500HG | 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.
2 Cylinder Head Gasket parts are listed for the 2025 Chevrolet LCF, from ENGINE PRO and GM GENUINE.
This group includes ENGINE PRO 2812688186 and GM GENUINE 12688186.
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 | 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.
This group shows a single part: GM GENUINE 24502262.
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 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 11546667 | 🇺🇸 US 🇨🇦 CA | Thread Diameter (In): 0.63 In | View on Amazon |
This table covers the Engine Block drain plugs.
GM GENUINE supplies both parts for the 2025 Chevrolet LCF.
This group includes GM GENUINE 11602951 and GM GENUINE 11546667.
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 | View on Amazon |
This table covers the Engine Cover grommets.
This group shows a single part: GM GENUINE 12594875.
Exhaust Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12733470 | 🇺🇸 US 🇨🇦 CA | LCF 5500HG | View on Amazon |
| MELLING Fits: 6.6L V8 | V5828 | 🇺🇸 US | LCF 3500HG | 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.
2 Exhaust Valve parts for the 2025 Chevrolet LCF come from 2 brands — GM GENUINE and MELLING.
This group includes GM GENUINE 12733470 and MELLING V5828.
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 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged | 94029588 | 🇺🇸 US 🇨🇦 CA | LowerLCF 4500HD or LCF 4500XD or LCF 5500XD | View on Amazon |
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.
GM GENUINE supplies both parts for the 2025 Chevrolet LCF.
Listed part numbers: GM GENUINE 94033681 and GM GENUINE 94029588.
Harmonic Balancer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12680364 | 🇺🇸 US 🇨🇦 CA | LCF 5500HG | View on Amazon |
This table covers the crankshaft pulleys / harmonic balancers at the front of the engine.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 12680364.
Harmonic Balancer Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 6.6L V8 | 73372 | 🇺🇸 US | LCF 3500HG | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 11547372 | 🇺🇸 US 🇨🇦 CA | LCF 5500HGM16X2X103 | View on Amazon |
This table covers the Harmonic Balancer bolts.
2 Harmonic Balancer Bolt parts for the 2025 Chevrolet LCF come from 2 brands — FEL-PRO and GM GENUINE.
This group includes FEL-PRO 73372 and GM GENUINE 11547372.
Intake Manifold
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12639087 | 🇺🇸 US 🇨🇦 CA | LCF 5500HG | 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.
This group shows a single part: GM GENUINE 12639087.
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 | View on Amazon |
This table covers the Intake Manifold bolts.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 11610472.
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 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12693081 | 🇺🇸 US 🇨🇦 CA | LCF 5500HGValley Pan | 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.
GM GENUINE supplies both parts for the 2025 Chevrolet LCF.
Part numbers include GM GENUINE 12626354 and GM GENUINE 12693081.
Intake Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 6.6L V8 | V5827 | 🇺🇸 US | LCF 3500HG | 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.
This group shows a single part: MELLING V5827.
Motor Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 85043935 | 🇺🇸 US 🇨🇦 CA | FrontLCF 5500HG | 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.
This group shows a single part: GM GENUINE 85043935.
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 | View on Amazon |
This table covers the Motor Mount bolts.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 11515775.
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 | View on Amazon |
| PENTOSIN Fits: 6.6L V8 | 8044214 | 🇺🇸 US | 5W-30-Pentospeed-DEXOS1 GEN31 Liter | View on Amazon |
| PENTOSIN Fits: 6.6L V8 | 8044216 | 🇺🇸 US | 5W-30-Pentospeed-DEXOS1 GEN35 Liters | 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.
3 Oil parts for the 2025 Chevrolet LCF come from 2 brands — PENTOSIN and ACDELCO.
Part numbers include ACDELCO 109324, PENTOSIN 8044214 and PENTOSIN 8044216.
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 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged | 94036238 | 🇺🇸 US 🇨🇦 CA | LCF 4500HD or LCF 4500XD or LCF 5500XDID=11 | 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.
GM GENUINE supplies both parts for the 2025 Chevrolet LCF.
Part numbers include GM GENUINE 24504031 and GM GENUINE 94036238.
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 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12625298 | 🇺🇸 US 🇨🇦 CA | LCF 5500HG28.65 OD | View on Amazon |
This table covers the drain plugs in the oil pan.
2 Oil Drain Plug parts for the 2025 Chevrolet LCF come from GM GENUINE.
Part numbers include GM GENUINE 55577568 and GM GENUINE 12625298.
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 | 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.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 12616850.
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 | View on Amazon |
| MOTORAD Fits: 6.6L V8 | MO190 | 🇺🇸 US | LCF 3500HG | View on Amazon |
This table covers the caps on the oil filler neck.
2 Oil Filler Cap parts for the 2025 Chevrolet LCF come from 2 brands — ACDELCO and MOTORAD.
Part numbers include ACDELCO FC279 and MOTORAD MO190.
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 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged | 94123623 | 🇺🇸 US 🇨🇦 CA | LCF 4500HD or LCF 4500XD or LCF 5500XDID=32 OD=40 | 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.
GM GENUINE supplies both parts for the 2025 Chevrolet LCF.
Listed part numbers: GM GENUINE 24100002 and GM GENUINE 94123623.
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 | View on Amazon |
This table covers the Oil Filler tubes.
This group shows a single part: GM GENUINE 12668614.
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 | View on Amazon |
This table covers the Oil Filler Tube grommets.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 12610201.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FRAM Fits: 6.6L V8 | FE10575 | 🇺🇸 US 🇨🇦 CA | Spin-OnTough Guard or Synthetic Endurance | View on Amazon |
| FVP Fits: 6.6L V8 | R0255 | 🇺🇸 US | LCF 3500HGOriginal Equipment (OE) Part Number 12690385 | View on Amazon |
| PRO-TEC Fits: 6.6L V8 | PXL10255 | 🇺🇸 US | LCF 3500HG | View on Amazon |
| VARIOUS MFR Fits: 6.6L V8 | PG2500 | 🇺🇸 US | View on Amazon |
High Performance / Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | M1212A | 🇺🇸 US | Extended Performance | View on Amazon |
| WIX Fits: 6.6L V8 | WL10255XP | 🇺🇸 US | XP Extreme DutyBest for Synthetic Motor Oils | View on Amazon |
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 | View on Amazon |
| WIX Popular Fits: 6.6L V8 | WL10255 | 🇺🇸 US | Fits LCF 3500HG | View on Amazon |
| HASTINGS / BALDWIN Fits: 6.6L V8 | LF641 | 🇺🇸 US | LCF 4500 or LCF 5500HG or LCF 5500XG | View on Amazon |
| VARIOUS MFR Fits: 6.6L V8 | PG2500EX | 🇺🇸 US | Extended Life | View on Amazon |
| WIX Fits: 5.2L L4 DIESEL Turbocharged | WL10316 | 🇺🇸 US | Fits LCF 5500HD or LCF 5500XD | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS / BALDWIN Fits: 6.7L L6 DIESEL Turbocharged | LF551 | 🇺🇸 US | View on Amazon | |
| WIX Fits: 6.7L L6 DIESEL Turbocharged | WL10316 | 🇺🇸 US | 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.
13 Oil Filter parts for the 2025 Chevrolet LCF come from 8 brands — WIX, VARIOUS MFR, HASTINGS / BALDWIN and 5 other brands. The "Popular" part is ACDELCO PF63.
The Economy section lists 4 options from FRAM, FVP, PRO-TEC and 1 other brand — the catalog's value-priced group. FRAM FE10575 is listed in this group.
The High Performance / Heavy Duty section lists 2 options from MOBIL and WIX — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. MOBIL M1212A is listed in this group.
In the Standard Replacement grade, WIX, ACDELCO, HASTINGS / BALDWIN and 1 other brand supply 5 parts: built to original-equipment specification. A representative part number is ACDELCO PF63.
2 further parts sit outside the graded sections, with the same engine-level match.
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 | View on Amazon |
This table covers the Oil Filter adapters.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 12600225.
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 | 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.
This group shows a single part: GM GENUINE 11546667.
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 | 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.
This group shows a single part: GM GENUINE 12696433.
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 | 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.
This group shows a single part: GM GENUINE 12638820.
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 | View on Amazon |
This table covers the Oil nozzles.
This group shows a single part: GM GENUINE 12678499.
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 | View on Amazon |
This table covers the oil pans that hold the engine's oil sump.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 12739177.
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 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 11588725 | 🇺🇸 US 🇨🇦 CA | LCF 5500HGM8X1.25X35 | View on Amazon |
This table covers the Oil Pan bolts.
2 Oil Pan Bolt parts for the 2025 Chevrolet LCF come from GM GENUINE.
Listed part numbers: GM GENUINE 12554990 and GM GENUINE 11588725.
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 | View on Amazon |
This table covers the Oil Pan covers.
This group shows a single part: GM GENUINE 12630766.
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 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12623359 | 🇺🇸 US 🇨🇦 CA | LCF 5500HGOil Pan Cover Gasket | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12621086 | 🇺🇸 US 🇨🇦 CA | LCF 5500HG | 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.
3 Oil Pan Gasket parts for the 2025 Chevrolet LCF come from GM GENUINE.
This group includes GM GENUINE 12666993, GM GENUINE 12623359 and GM GENUINE 12621086.
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 | View on Amazon |
This table covers the Oil Pump bolts.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 11610074.
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 | 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.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 12638433.
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 | View on Amazon |
This table covers the windage trays that keep crank windage out of the oil sump.
This group shows a single part: GM GENUINE 12619978.
Piston
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12699527 | 🇺🇸 US 🇨🇦 CA | RightLCF 5500HG | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12699528 | 🇺🇸 US 🇨🇦 CA | RightLCF 5500HG | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12699529 | 🇺🇸 US 🇨🇦 CA | LeftLCF 5500HG | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12699530 | 🇺🇸 US 🇨🇦 CA | LeftLCF 5500HG | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12817339 | 🇺🇸 US 🇨🇦 CA | RightLCF 5500HG | 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.
GM GENUINE supplies the 5 Piston parts for the 2025 Chevrolet LCF.
This group includes GM GENUINE 12699527, GM GENUINE 12699528 and GM GENUINE 12699529 and the remaining parts above.
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 | View on Amazon |
This table covers the Piston Pin retainers.
This group shows a single part: GM GENUINE 01647383.
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 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12661872 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
This table covers the rings that seal each piston to the cylinder wall.
GM GENUINE supplies both parts for the 2025 Chevrolet LCF.
Part numbers include GM GENUINE 12735470 and GM GENUINE 12661872.
Push Rod
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12619828 | 🇺🇸 US 🇨🇦 CA | Material: Steel | View on Amazon |
| MELLING Fits: 6.6L V8 | MPR696 | 🇺🇸 US | LCF 3500HG | View on Amazon |
| SBI Fits: 6.6L V8 | 1901555 | 🇺🇸 US | Intake and Exhaust7.850 Length | View on Amazon |
This table covers the pushrods that transfer lifter motion to the rocker arms.
3 Push Rod parts are listed for the 2025 Chevrolet LCF, from GM GENUINE, MELLING and SBI.
Part numbers include GM GENUINE 12619828, MELLING MPR696 and SBI 1901555.
Rocker Arm
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12619829 | 🇺🇸 US 🇨🇦 CA | LCF 5500HG | View on Amazon |
| MELLING Fits: 6.6L V8 | MR913 | 🇺🇸 US | LCF 3500HG | View on Amazon |
| SBI Fits: 6.6L V8 | 1801343 | 🇺🇸 US | Intake and ExhaustRoller Pivot Assy. | View on Amazon |
This table covers the rocker arms that transfer cam motion to the valves.
3 Rocker Arm parts for the 2025 Chevrolet LCF come from 3 brands — GM GENUINE, MELLING and SBI.
Part numbers include GM GENUINE 12619829, MELLING MR913 and SBI 1801343.
Timing Chain
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12646387 | 🇺🇸 US 🇨🇦 CA | LCF 5500HG | View on Amazon |
| MELLING Fits: 6.6L V8 | 3SRH60 | 🇺🇸 US | LCF 3500HG | View on Amazon |
This table covers the timing chains that keep the cams in time with the crank.
2 Timing Chain parts are listed for the 2025 Chevrolet LCF, from GM GENUINE and MELLING.
Listed part numbers: GM GENUINE 12646387 and MELLING 3SRH60.
Timing Chain & Component Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING Fits: 6.6L V8 | 33SRH60SX | 🇺🇸 US | Does Not Include Sprockets | View on Amazon |
| MELLING Fits: 6.6L V8 | 33SRH60SE | 🇺🇸 US | Balance Shaft Drive Components Not Included | View on Amazon |
This table covers kits that group a timing chain with the related tensioners and guides.
2 Timing Chain & Component Kit parts for the 2025 Chevrolet LCF come from MELLING.
This group includes MELLING 33SRH60SX and MELLING 33SRH60SE.
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 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12630107 | 🇺🇸 US 🇨🇦 CA | LCF 5500HGCAM DRIVE | View on Amazon |
| MELLING Fits: 6.6L V8 | BT5174 | 🇺🇸 US | LCF 3500HG | 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.
3 Timing Chain Tensioner parts for the 2025 Chevrolet LCF come from 2 brands — GM GENUINE and MELLING.
Listed part numbers: GM GENUINE 11515758, GM GENUINE 12630107 and MELLING BT5174.
Timing Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12691692 | 🇺🇸 US 🇨🇦 CA | FrontLCF 5500HG | View on Amazon |
| SKP Fits: 6.6L V8 | SK12691692 | 🇺🇸 US | FrontLCF 3500HG or LCF 5500HG or LCF 5500XG | View on Amazon |
This table covers the Timing covers.
2 Timing Cover parts are listed for the 2025 Chevrolet LCF, from GM GENUINE and SKP.
Part numbers include GM GENUINE 12691692 and SKP SK12691692.
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 | View on Amazon |
| MELLING Fits: 6.6L V8 | S1355 | 🇺🇸 US | LCF 3500HG | View on Amazon |
This table covers the crankshaft sprockets that drive the timing chain or belt.
2 Timing Crank Sprocket parts for the 2025 Chevrolet LCF come from 2 brands — GM GENUINE and MELLING.
Part numbers include GM GENUINE 12713934 and MELLING S1355.
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 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12727455 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: YES | View on Amazon |
This table covers the Valve covers.
GM GENUINE supplies both parts for the 2025 Chevrolet LCF.
Part numbers include GM GENUINE 12723317 and GM GENUINE 12727455.
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 | 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.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 11547061.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Fits: 6.6L V8 | VS50907R | 🇺🇸 US | Permadry RubberValve Cover Grommets Not Included | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12619787 | 🇺🇸 US 🇨🇦 CA | LCF 5500HG | 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.
2 Valve Cover Gasket parts for the 2025 Chevrolet LCF come from 2 brands — FEL-PRO and GM GENUINE.
Part numbers include FEL-PRO VS50907R and GM GENUINE 12619787.
Valve Guide
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SBI Fits: 6.6L V8 | 1403204 | 🇺🇸 US | Intake and Exhaust0.3150 I.D. | 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.
This group shows a single part: SBI 1403204.
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 | View on Amazon |
| SBI Fits: 6.6L V8 | VL559 | 🇺🇸 US | Intake and Exhaust0.842 Body Diameter | View on Amazon |
This table covers the lifters / tappets that transfer cam motion to the valves.
2 Valve Lifter parts for the 2025 Chevrolet LCF come from 2 brands — GM GENUINE and SBI.
Listed part numbers: GM GENUINE 12698945 and SBI VL559.
Valve Lifter Guide
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12595365 | 🇺🇸 US 🇨🇦 CA | Tray | View on Amazon |
This table covers the guides that keep each lifter aligned.
This group shows a single part: GM GENUINE 12595365.
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 | View on Amazon |
| SBI Fits: 6.6L V8 | 1601688 | 🇺🇸 US | Intake and Exhaust2.253 Length | 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.
2 Valve Spring parts are listed for the 2025 Chevrolet LCF, from GM GENUINE and SBI.
Listed part numbers: GM GENUINE 12728733 and SBI 1601688.
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 | View on Amazon |
| MELLING Fits: 6.6L V8 | VSR709 | 🇺🇸 US | LCF 3500HG | View on Amazon |
This table covers the Valve Spring retainers.
2 Valve Spring Retainer parts are listed for the 2025 Chevrolet LCF, from GM GENUINE and MELLING.
Listed part numbers: GM GENUINE 10166344 and MELLING VSR709.
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 | View on Amazon |
| MELLING Fits: 6.6L V8 | VL760 | 🇺🇸 US | LCF 3500HG | View on Amazon |
| SBI Fits: 6.6L V8 | 1211085 | 🇺🇸 US | Intake and Exhaust0.2900 Length | View on Amazon |
This table covers the keepers that lock each valve-spring retainer to the stem.
3 Valve Spring Retainer Keeper parts are listed for the 2025 Chevrolet LCF, from GM GENUINE, MELLING and SBI.
Part numbers include GM GENUINE 10166345, MELLING VL760 and SBI 1211085.
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 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12689007 | 🇺🇸 US 🇨🇦 CA | IntakeLCF 5500HG | View on Amazon |
| SBI Fits: 6.6L V8 | 1221337 | 🇺🇸 US | IntakeViton Material | View on Amazon |
| SBI Fits: 6.6L V8 | 1221338 | 🇺🇸 US | ExhaustViton Material | 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.
4 Valve Stem Seal parts for the 2025 Chevrolet LCF come from 2 brands — GM GENUINE and SBI.
This group includes GM GENUINE 12689006, GM GENUINE 12689007 and SBI 1221337 and the remaining parts above.
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 | 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.
This group shows a single part: GM GENUINE 12675031.
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 | 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.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 12623437.
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 | View on Amazon |
This table covers the cam phaser sprockets used by the variable-valve-timing system.
This group shows a single part: GM GENUINE 12689342.
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.