27 Cooling system parts are listed for the 2025 Chevrolet LCF, in 11 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.
On the 2025 Chevrolet LCF, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. 18 parts of the 27 listed are Coolant / Antifreeze (8 parts), Thermostat (7 parts) and Thermostat Housing / Water Outlet (3 parts). The other 8 part types cover the remaining 9 parts.
The 2025 Chevrolet LCF was sold with 3 engines. 1 part fits every engine; the other 26 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2025 Chevrolet LCF cooling system parts are GM GENUINE (9 parts), PRESTONE (5 parts) and ACDELCO (4 parts), plus 4 more brands. Quality grades include Standard Replacement, Economy and Heavy Duty.
2 parts on this 2025 Chevrolet LCF page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including ACDELCO 131160 (Thermostat) and GATES 34198 (Thermostat). Click any part number to see every vehicle that part fits.
Coolant / Antifreeze
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Fits: 6.6L V8 | 719009 | 🇺🇸 US | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | AFC12100 | 🇺🇸 US | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 105027 | 🇺🇸 US | DEX-Cool Extended LifeDexcool (with DE-Ionized Water) (with Bitterant) 1 Gallon | View on Amazon |
| ACDELCO Fits: 5.2L L4 DIESEL Turbocharged | 105034 | 🇺🇸 US | Traditional (1 Gallon) | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Fits: all 2025 LCF engines | 78065 | 🇺🇸 US | Heavy Duty | View on Amazon |
| PRESTONE Fits: 6.7L L6 DIESEL Turbocharged | AFC10000 | 🇺🇸 US | Command ESi PrechargedPurple | View on Amazon |
| PRESTONE Fits: 6.7L L6 DIESEL Turbocharged | AFC12100 | 🇺🇸 US | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
| PRESTONE Fits: 6.7L L6 DIESEL Turbocharged | 115CEL | 🇺🇸 US | Celsius Extended Life Antifreeze or Command ESi Precharged Can1 Gallon | View on Amazon |
This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator.
8 Coolant / Antifreeze parts for the 2025 Chevrolet LCF come from 3 brands — PRESTONE, ACDELCO and VALVOLINE. 1 part fits every engine; the other 7 are engine-specific.
The Economy section lists 1 option from VALVOLINE — the catalog's value-priced group. VALVOLINE 719009 is listed in this group.
In the Heavy Duty grade, PRESTONE supplies 1 part: rated for severe service. A representative part number is PRESTONE AFC12100.
In the Standard Replacement grade, ACDELCO supplies 2 parts: built to original-equipment specification. A representative part number is ACDELCO 105027.
4 further parts sit outside the graded sections, with the same engine-level match.
This group includes VALVOLINE 719009, PRESTONE AFC12100 and ACDELCO 105027 and the remaining parts above.
Coolant Hose Connector / Flange
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 1510595 | 🇺🇸 US 🇨🇦 CA | LCF 5500HG | View on Amazon |
This table covers the Coolant Hose Connector flanges.
This group shows a single part: GM GENUINE 1510595.
Radiator Fan Blade
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 1581671 | 🇺🇸 US 🇨🇦 CA | LCF 5500HG | View on Amazon |
This table covers the Radiator Fan blades. Typical signs include chatter, streaks, or a skip at the top of the stroke. Confirm left and right lengths in the notes — they are often different.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 1581671.
Radiator Fan Clutch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 1540608 | 🇺🇸 US 🇨🇦 CA | Thermal | View on Amazon |
This table covers the Radiator Fan clutches. Typical signs include slip at highway speed, chatter on takeoff, or a pedal that stays low. Resurface or replace the flywheel with the clutch — a heat-checked flywheel wastes the new disc.
This group shows a single part: GM GENUINE 1540608.
Temperature Sender / Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 25186240 | 🇺🇸 US 🇨🇦 CA | LCF 5500HGMating Connector Use 13587326 | View on Amazon |
This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender.
This group shows a single part: GM GENUINE 25186240.
Thermostat
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 6.6L V8 | 9022981 | 🇺🇸 US | Includes Housing | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: 6.6L V8 | 131160 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| GATES Popular Fits: 6.6L V8 | 34198 | 🇺🇸 US | OE Type | View on Amazon |
| MOTORAD Fits: 6.6L V8 | 523190 | 🇺🇸 US | Includes Seal | View on Amazon |
| MOTORAD Fits: 6.6L V8 | 523180 | 🇺🇸 US | Includes Seal | View on Amazon |
| MOTORAD Fits: 6.6L V8 | 5945KT | 🇺🇸 US | Includes Thermostat and HousingKit | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 5.2L L4 DIESEL Turbocharged | 131160 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
This table covers the thermostats that open the coolant circuit at the specified temperature. Typical signs include slow warm-up, a gauge that climbs in traffic, or heat that never quite arrives. Replace the housing gasket with the thermostat and bleed the system so a trapped air pocket does not cook the new part.
7 Thermostat parts are listed for the 2025 Chevrolet LCF, from MOTORAD, ACDELCO, DORMAN and 1 other brand. ACDELCO 131160 carries the "Popular" badge.
Economy: 1 part, from DORMAN. A representative part number is DORMAN 9022981.
The Standard Replacement section: 5 options from MOTORAD, ACDELCO and GATES. ACDELCO 131160 is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Part numbers include ACDELCO 131160, DORMAN 9022981 and GATES 34198, among others listed above.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged | 94034146 | 🇺🇸 US 🇨🇦 CA | LCF 4500HD or LCF 4500XD or LCF 5500XDInside Diameter: 10.2 Outside Diameter: 15.2 | View on Amazon |
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged | 12680544 | 🇺🇸 US 🇨🇦 CA | LCF 4500HD or LCF 4500XD or LCF 5500XDThermostat Seal | View on Amazon |
This table covers the seals at the thermostat housing and water outlet. 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.
2 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2025 Chevrolet LCF come from GM GENUINE.
Part numbers include GM GENUINE 94034146 and GM GENUINE 12680544.
Thermostat Housing / Water Outlet
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 6.6L V8 | 9022081 | 🇺🇸 US | Water PumpThermostat Housing | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: 6.6L V8 | CO34829 | 🇺🇸 US | Thermostat CoverWater Outlet | View on Amazon |
| MOTORAD Fits: 6.6L V8 | CH5945 | 🇺🇸 US | LCF 3500HGWater Outlet | View on Amazon |
This table covers the housings and outlets the thermostat sits in.
3 Thermostat Housing / Water Outlet parts are listed for the 2025 Chevrolet LCF, from DORMAN, GATES and MOTORAD.
Economy: 1 part, from DORMAN. A representative part number is DORMAN 9022081.
The Standard Replacement section: 2 options from GATES and MOTORAD. GATES CO34829 is listed in this group.
Listed part numbers: DORMAN 9022081, GATES CO34829 and MOTORAD CH5945.
Water Inlet Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12587397 | 🇺🇸 US 🇨🇦 CA | LCF 5500HG | View on Amazon |
This table covers the gaskets that seal the Water Inlet. 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.
This group shows a single part: GM GENUINE 12587397.
Water Pump
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 12735409 | 🇺🇸 US 🇨🇦 CA | Includes Thermostat | View on Amazon |
This table covers the pumps that circulate coolant through the block and radiator. Typical signs include coolant at the weep hole, pulley play, or a growl from the front of the engine. Replace the thermostat and refill with the specified coolant whenever the pump comes off.
One part is listed for the 2025 Chevrolet LCF — GM GENUINE 12735409.
Water Pump Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 5.2L L4 DIESEL Turbocharged, 6.6L V8 | 2512073 | 🇺🇸 US 🇨🇦 CA | LCF 5500HG | View on Amazon |
This table covers the gaskets between the water pump and the block or housing. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
This group shows a single part: GM GENUINE 2512073.
Buying Cooling System Parts for a 2025 Chevrolet LCF
On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.
- Match the engine first. Some cooling system parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Coolant / Antifreeze and Thermostat .
Frequently Asked Questions
How many cooling system parts fit the 2025 Chevrolet LCF?
Our catalog currently lists 27 cooling system parts for the 2025 Chevrolet LCF across 11 subcategories and 7 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 cooling system parts differ between 2025 Chevrolet LCF engines?
Some do. 1 part fits every engine; the other 26 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of cooling system problems on a 2025 Chevrolet LCF?
Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
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 replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2025 Chevrolet LCF
Cooling System Parts for Other Chevrolet LCF Years
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