2019 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 2019 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 2019 Chevrolet Impala come from GM GENUINE.

This group includes 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 2019 Chevrolet Impala, from DORMAN and GM GENUINE.

Part numbers include 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 2019 Chevrolet Impala come from 2 brands — GM GENUINE and CONTINENTAL.

Listed part numbers: 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 2019 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 2019 Chevrolet Impala, from DORMAN, AUTOTECNICA, GM GENUINE and 3 other brands. DORMAN 603385 carries the "Popular" badge.

This group includes DORMAN 603385, AUTOTECNICA GM0713819 and GM GENUINE 22950436 and the remaining 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 2019 Chevrolet Impala, from DORMAN, SKP, AUTOTECNICA and 3 other brands. DORMAN 54218 carries the "Popular" badge.

Listed part numbers: DORMAN 54218, SKP SK54218 and AUTOTECNICA GM0714619, plus the other 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 2019 Chevrolet Impala come from MOTORAD.

This group includes MOTORAD 3128 and MOTORAD 3127.

This table covers the Hose clamps. Read more

4 Hose Clamp parts for the 2019 Chevrolet Impala come from GM GENUINE.

Listed part numbers: GM GENUINE 13162312, GM GENUINE 11570614 and GM GENUINE 90572587, plus the other parts above.

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

11 Radiator parts for the 2019 Chevrolet Impala come from 10 brands — UAC, DENSO, KOYORAD and 7 other brands. The "Popular" part is DENSO 2219328.

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 2019 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

2 Radiator Drain Petcock parts are listed for the 2019 Chevrolet Impala, from DORMAN and GM GENUINE.

Listed part numbers: DORMAN 61136 and GM GENUINE 22790134.

This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator. Read more

7 Radiator Fan Assembly parts are listed for the 2019 Chevrolet Impala, from GM GENUINE, SKP, GPD and 3 other brands. SKP SK621441 carries the "Popular" badge.

Economy: 2 parts, from SKP and GPD. A representative part number is SKP SK621441.

The Standard Replacement section: 5 options from GM GENUINE, TYC, UAC and 1 other brand. TYC 622790 is listed in this group.

Part numbers include SKP SK621441, GPD 2811869 and TYC 622790, among others listed above.

This table covers the Radiator Fan motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

2 Radiator Fan Motor parts for the 2019 Chevrolet Impala come from VEMO.

This group includes VEMO V51010034 and VEMO V51010035.

This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

12 Radiator Hose parts are listed for the 2019 Chevrolet Impala, from ACDELCO, GATES, CONTINENTAL and 1 other brand. ACDELCO 23203513 carries the "Popular" badge.

This table covers the Radiator insulators. Read more

One part is listed for the 2019 Chevrolet Impala — GM GENUINE 13306606.

This table covers the Radiator mounts. 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. Read more

One part is listed for the 2019 Chevrolet Impala — GM GENUINE 52493483.

This table covers the Radiator Mount bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

3 Radiator Mount Bushing parts are listed for the 2019 Chevrolet Impala, from DORMAN, SKP and ULTRA-POWER.

Part numbers include DORMAN 926280 and SKP SK926280, among others listed above.

This table covers the seals at the Radiator. 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

One part is listed for the 2019 Chevrolet Impala — GM GENUINE 22867535.

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

12 Temperature Sender / Sensor parts for the 2019 Chevrolet Impala come from 11 brands — WALKER PRODUCTS, GPD, HOLSTEIN and 8 other brands. The "Popular" part is WALKER PRODUCTS 21191118.

The Economy section: 3 options from GPD, HOLSTEIN and UNITED MOTOR PRODUCTS. GPD 1712489 is listed in this group.

The Full Service Kit section lists 1 option from WALKER PRODUCTS — grouped under the catalog's "Full Service Kit" designation — the notes column spells out what sets them apart. WALKER PRODUCTS 21191118 is listed in this group.

Standard Replacement: 8 parts, from HELLA, WALKER PRODUCTS, BECK/ARNLEY and 5 other brands. A representative part number is HELLA 009107271.

This table covers the Temperature Sender / Sensor 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. Read more

This group shows a single part: GM GENUINE 12639042.

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

7 Thermostat parts are listed for the 2019 Chevrolet Impala, from MOTORAD, AUTOTECNICA, SKP and 3 other brands. GATES 34841 carries the "Popular" badge.

Economy: 2 parts, from AUTOTECNICA and SKP. A representative part number is AUTOTECNICA GM0720267.

The Standard Replacement section: 5 options from MOTORAD, GATES, AISIN and 1 other brand. GATES 34841 is listed in this group.

Part numbers include GATES 34841, AUTOTECNICA GM0720267 and SKP SK902693, among others listed 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

18 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2019 Chevrolet Impala come from 6 brands — FEL-PRO, APEX, GM GENUINE and 3 other brands. The "Popular" part is FEL-PRO 35855.

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

4 Thermostat Housing / Water Outlet parts are listed for the 2019 Chevrolet Impala, from GM GENUINE, GATES and MOTORAD.

Part numbers include GATES CO35096, GM GENUINE 1511053 and GM GENUINE 1581939, among others listed above.

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

12 Water Pump parts are listed for the 2019 Chevrolet Impala, from GM GENUINE, SKP, CARTER and 8 other brands. SKP SK1305130 carries the "Popular" badge.

Economy: 5 parts, from SKP, CARTER, ENGINETECH and 2 other brands. A representative part number is SKP SK1305130.

The Standard Replacement section: 7 options from GM GENUINE, GATES, ACDELCO and 3 other brands. GATES 43530 is listed in this group.

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

5 Water Pump Gasket parts for the 2019 Chevrolet Impala come from 5 brands — GM GENUINE, APEX, FEL-PRO and 2 other brands. The "Popular" part is GM GENUINE 2512052.

This group includes GM GENUINE 2512052, APEX AWP3231 and FEL-PRO 35859 and the remaining parts above.

This table covers the Water Pump pulleys. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

This group shows a single part: GM GENUINE 12611587.

This table covers the Water Pump Seal 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. Read more

One part is listed for the 2019 Chevrolet Impala — GM GENUINE 12691259.