2021 Chevrolet Spark 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 2021 Chevrolet Spark 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 bleeders used to purge air from the coolant circuit. Read more

One part is listed for the 2021 Chevrolet Spark — GM GENUINE 95018159.

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

3 Coolant Hose / Pipe parts for the 2021 Chevrolet Spark come from GM GENUINE.

Listed part numbers: GM GENUINE 42455617, GM GENUINE 12649871 and GM GENUINE 12649874.

This table covers the seals at the Coolant Hose / Pipe. 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

3 Coolant Hose / Pipe Seal parts are listed for the 2021 Chevrolet Spark, from FEL-PRO, GM GENUINE and MAHLE / CLEVITE.

Part numbers include FEL-PRO 36247, GM GENUINE 12635750 and MAHLE / CLEVITE C33426.

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

This group shows a single part: GM GENUINE 11611778.

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

2 Coolant Reservoir parts are listed for the 2021 Chevrolet Spark, from GM GENUINE and GPD.

This group includes GM GENUINE 94511521 and GPD 2411319.

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

4 Coolant Reservoir Cap parts are listed for the 2021 Chevrolet Spark, from AUTOTECNICA, CALORSTAT, GATES and 1 other brand.

This group includes AUTOTECNICA GM0714619, CALORSTAT RC0144 and GATES 31569 and the remaining parts above.

This table covers the Hose clamps. Read more

5 Hose Clamp parts for the 2021 Chevrolet Spark come from GM GENUINE. The "Popular" part is GM GENUINE 90530642.

Listed part numbers: GM GENUINE 90530642, GM GENUINE 90572594 and GM GENUINE 94530096, 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

10 Radiator parts for the 2021 Chevrolet Spark come from 7 brands — TYC, AGILITY, OSC and 4 other brands. The "Popular" part is CSF 3908.

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 2021 Chevrolet Spark come from 2 brands — ACDELCO and PROFESSIONAL PARTS SWEDEN.

This group includes ACDELCO 13544913 and PROFESSIONAL PARTS SWEDEN 21342353.

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

One part is listed for the 2021 Chevrolet Spark — GM GENUINE 95018158.

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 2021 Chevrolet Spark, from DORMAN, SKP, GPD and 4 other brands. DORMAN 621558 carries the "Popular" badge.

Economy: 3 parts, from DORMAN, SKP and GPD. A representative part number is DORMAN 621558.

The Standard Replacement section: 4 options from FOUR SEASONS, GM GENUINE, TYC and 1 other brand. FOUR SEASONS 75973 is listed in this group.

Part numbers include DORMAN 621558, SKP SK621558 and GPD 2811961, among others listed above.

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

5 Radiator Hose parts are listed for the 2021 Chevrolet Spark, from ACDELCO, GATES and CONTINENTAL. ACDELCO 42456626 carries the "Popular" badge.

Listed part numbers: ACDELCO 42456626, ACDELCO 42495490 and CONTINENTAL 67418, plus the other parts above.

This table covers the Radiator insulators. Read more

One part is listed for the 2021 Chevrolet Spark — GM GENUINE 13306606.

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

7 Temperature Sender / Sensor parts for the 2021 Chevrolet Spark come from 6 brands — STANDARD MOTOR PRODUCTS, GPD, HOLSTEIN and 3 other brands. The "Popular" part is GM GENUINE 12641073.

The Economy section: 3 options from GPD, HOLSTEIN and STANDARD MOTOR PRODUCTS. GPD 1712640 is listed in this group.

Standard Replacement: 4 parts, from GM GENUINE, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 1 other brand. A representative part number is GM GENUINE 12641073.

Listed part numbers: GM GENUINE 12641073, GPD 1712640 and HOLSTEIN 2CTS0125, plus the other parts above.

This table covers the Temperature Sender / Sensor clips. Read more

This group shows a single part: DORMAN 66264.

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

6 Thermostat parts are listed for the 2021 Chevrolet Spark, from AUTOTECNICA, DORMAN, SKP and 3 other brands. GATES 34842 carries the "Popular" badge.

Economy: 3 parts, from AUTOTECNICA, DORMAN and SKP. A representative part number is AUTOTECNICA GM0720227.

The Standard Replacement section: 3 options from GATES, MOTORAD and FOUR SEASONS. GATES 34842 is listed in this group.

Listed part numbers: GATES 34842, AUTOTECNICA GM0720227 and DORMAN 9022124, plus the other 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

6 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 Chevrolet Spark come from 4 brands — GM GENUINE, MAHLE / CLEVITE, FEL-PRO and 1 other brand. The "Popular" part is GM GENUINE 12664202.

This group includes GM GENUINE 12664202, GM GENUINE 12649163 and FEL-PRO 36208 and the remaining parts above.

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

6 Thermostat Housing / Water Outlet parts are listed for the 2021 Chevrolet Spark, from DORMAN, SKP, GM GENUINE and 3 other brands. DORMAN 9022132 carries the "Popular" badge.

Economy: 2 parts, from DORMAN and SKP. A representative part number is DORMAN 9022132.

The Standard Replacement section: 4 options from GM GENUINE, FOUR SEASONS, GATES and 1 other brand. GM GENUINE 12707589 is listed in this group.

This group includes DORMAN 9022132, SKP SK9022132 and GM GENUINE 12707589 and the remaining parts 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

7 Water Pump parts are listed for the 2021 Chevrolet Spark, from GMB, FVP, SKP and 3 other brands. GM GENUINE 251789 carries the "Popular" badge.

Economy: 3 parts, from FVP, SKP and US MOTOR WORKS. A representative part number is FVP US8147.

The Standard Replacement section: 4 options from GMB, GM GENUINE and DAYCO. GM GENUINE 251789 is listed in this group.

Part numbers include GM GENUINE 251789, FVP US8147 and SKP SK1303120, among others listed above.

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 2021 Chevrolet Spark come from 4 brands — GM GENUINE, ELRING, FEL-PRO and 1 other brand. The "Popular" part is GM GENUINE 2512067.

Listed part numbers: GM GENUINE 2512067, ELRING 731101 and FEL-PRO 36207, plus the other parts above.

This table covers the Water Pump housings. Read more

This group shows a single part: GM GENUINE 25203220.

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 12642753.