2020 Chevrolet Impala 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

16 Coolant / Antifreeze parts for the 2020 Chevrolet Impala come from 6 brands — PRESTONE, PEAK, VALVOLINE and 3 other brands. The "Popular" part is FVP MV5050GAL.

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 4 options from FVP, PEAK, PRESTONE and 1 other brand — the catalog's value-priced group. FVP MV5050GAL is listed in this group.

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, VALVOLINE, PRESTONE, ACDELCO and 2 other brands supply 7 parts: built to original-equipment specification. A representative part number is ACDELCO 105027.

This table covers the Coolant Air Bleed Hose pipes. Read more

2 Coolant Air Bleed Hose / Pipe parts for the 2020 Chevrolet Impala come from GM GENUINE.

Listed part numbers: GM GENUINE 12637185 and GM GENUINE 12637183.

This table covers the bleeders used to purge air from the coolant circuit. Read more

2 Coolant Air Bleeder parts are listed for the 2020 Chevrolet Impala, from DORMAN and GM GENUINE.

Listed part numbers: DORMAN 626588 and GM GENUINE 13267637.

This table covers the Coolant Bleed Hose fittings. Read more

This group shows a single part: GM GENUINE 12637187.

This table covers the hard pipes and extra hoses in the coolant circuit. Read more

3 Coolant Hose / Pipe parts for the 2020 Chevrolet Impala come from 2 brands — GM GENUINE and CONTINENTAL.

This group includes CONTINENTAL 63080, GM GENUINE 22965100 and GM GENUINE 22962116.

This table covers the Coolant Hose Connector flanges. Read more

This group shows a single part: GM GENUINE 20847910.

This table covers the gaskets that seal the Coolant Pipe. 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

One part is listed for the 2020 Chevrolet Impala — AJUSA 01154600.

This table covers the overflow / expansion tanks that hold extra coolant. Read more

6 Coolant Reservoir parts are listed for the 2020 Chevrolet Impala, from DORMAN, AUTOTECNICA, GM GENUINE and 3 other brands. DORMAN 603385 carries the "Popular" badge.

Listed part numbers: DORMAN 603385, AUTOTECNICA GM0713819 and GM GENUINE 22950436, plus the other parts above.

This table covers the caps on the overflow / expansion tank. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

6 Coolant Reservoir Cap parts are listed for the 2020 Chevrolet Impala, from DORMAN, SKP, AUTOTECNICA and 3 other brands. DORMAN 54218 carries the "Popular" badge.

This group includes DORMAN 54218, SKP SK54218 and AUTOTECNICA GM0714619 and the remaining parts above.

This table covers the Coolant Reservoir retainers and clips. Read more

This group shows a single part: GM GENUINE 13284504.

This table covers the adapters used to pressure-test this cooling system. Read more

2 Cooling System Tester Adapter parts for the 2020 Chevrolet Impala come from MOTORAD.

Listed part numbers: MOTORAD 3128 and MOTORAD 3127.

This table covers the Hose clamps. Read more

3 Hose Clamp parts for the 2020 Chevrolet Impala come from GM GENUINE.

Listed part numbers: GM GENUINE 13162312, GM GENUINE 90572587 and GM GENUINE 90572593.

This table covers the radiators that dump engine heat to airflow through the core. Typical signs include overheating in traffic, a wet core, or coolant that disappears with no puddle. Replace the cap if it cannot hold the rated pressure, and bleed the system after the swap. Read more

10 Radiator parts for the 2020 Chevrolet Impala come from 10 brands — KOYORAD, TYC, AGILITY and 7 other brands. The "Popular" part is KOYORAD A13146.

This table covers the caps that hold system pressure at the radiator or reservoir neck. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

2 Radiator Cap parts for the 2020 Chevrolet Impala come from 2 brands — ACDELCO and PROFESSIONAL PARTS SWEDEN.

Listed part numbers: ACDELCO RC124 and PROFESSIONAL PARTS SWEDEN 21342353.

This table covers the petcocks used to drain the radiator. Read more

One part is listed for the 2020 Chevrolet Impala — GM GENUINE 22790134.