2021 Chevrolet LCF Cooling System Parts

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. Read more

14 Coolant / Antifreeze parts for the 2021 Chevrolet LCF come from 5 brands — PEAK, PRESTONE, VALVOLINE and 2 other brands. The "Popular" part is PRESTONE AF3100.

In the Compatible With All Colors grade, PRESTONE supplies 1 part: grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. A representative part number is PRESTONE AF3055.

The Economy section lists 3 options from PRESTONE, PEAK and VALVOLINE — the catalog's value-priced group. PRESTONE AF3100 is listed in this group.

In the Heavy Duty grade, PEAK and PRESTONE supply 3 parts: rated for severe service. A representative part number is PEAK FCA1GAL.

In the Premium grade, PRESTONE and PEAK supply 4 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, ACDELCO, AISIN and PEAK supply 3 parts: built to original-equipment specification. A representative part number is ACDELCO 105027.

This table covers the Coolant Hose Connector flanges. Read more

This group shows a single part: GM GENUINE 1510595.

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. Read more

One part is listed for the 2021 Chevrolet LCF — GM GENUINE 1581671.

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. Read more

4 Radiator Fan Clutch parts for the 2021 Chevrolet LCF come from 4 brands — FOUR SEASONS, GM GENUINE, HAYDEN and 1 other brand.

This group includes FOUR SEASONS 46145, GM GENUINE 1540608 and HAYDEN 2984 and the remaining parts above.

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. Read more

5 Temperature Sender / Sensor parts for the 2021 Chevrolet LCF come from 5 brands — ULTRA-POWER, GPD, GM GENUINE and 2 other brands. The "Popular" part is ULTRA-POWER 5S13427.

The Economy section: 2 options from ULTRA-POWER and GPD. ULTRA-POWER 5S13427 is listed in this group.

Standard Replacement: 3 parts, from GM GENUINE, WALKER PRODUCTS and WELLS. A representative part number is GM GENUINE 25186240.

Listed part numbers: ULTRA-POWER 5S13427, GPD 1712496 and GM GENUINE 25186240, plus the other parts above.

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. Read more

8 Thermostat parts are listed for the 2021 Chevrolet LCF, from MOTORAD, DORMAN, SKP and 3 other brands. ACDELCO 131160 carries the "Popular" badge.

Economy: 2 parts, from DORMAN and SKP. A representative part number is DORMAN 9022981.

The Heavy Duty section: 1 option from MOTORAD. MOTORAD 5523187 is listed in this group.

The Standard Replacement section: 5 options from MOTORAD, ACDELCO, GATES and 1 other brand. ACDELCO 131160 is listed in this group.

This group includes ACDELCO 131160, DORMAN 9022981 and SKP SK131160 and the remaining parts above.

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. Read more

2 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 Chevrolet LCF come from 2 brands — FEL-PRO and VICTOR REINZ.

Listed part numbers: FEL-PRO 36219 and VICTOR REINZ 711357800.

This table covers the housings and outlets the thermostat sits in. Read more

4 Thermostat Housing / Water Outlet parts are listed for the 2021 Chevrolet LCF, from DORMAN, FOUR SEASONS, GATES and 1 other brand.

Economy: 1 part, from DORMAN. A representative part number is DORMAN 9022081.

The Standard Replacement section: 3 options from FOUR SEASONS, GATES and MOTORAD. FOUR SEASONS 85945 is listed in this group.

Part numbers include DORMAN 9022081, FOUR SEASONS 85945 and GATES CO34829, among others listed above.

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. Read more

This group shows a single part: GM GENUINE 12587397.

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. Read more

One part is listed for the 2021 Chevrolet LCF — GM GENUINE 12735409.

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. Read more

3 Water Pump Gasket parts for the 2021 Chevrolet LCF come from 3 brands — FEL-PRO, GM GENUINE and MAHLE / CLEVITE.

Listed part numbers: FEL-PRO 36110, GM GENUINE 2512073 and MAHLE / CLEVITE K33358.