2023 Chevrolet Corvette 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 are listed for the 2023 Chevrolet Corvette, from PRESTONE, PEAK, VALVOLINE and 2 other brands. PRESTONE AF2100 carries the "Popular" badge. All of them fit every engine offered in the 2023 Corvette.

The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.

In the Economy grade, PEAK, PRESTONE and VALVOLINE supply 3 parts: the catalog's value-priced group. A representative part number is PEAK BQA1GAL.

The Premium section lists 4 options from PRESTONE and PEAK — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.

The Standard Replacement section lists 6 options from VALVOLINE, PRESTONE, ACDELCO and 1 other brand — built to original-equipment specification. ACDELCO 105027 is listed in this group.

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

GM GENUINE supplies the 15 Coolant Hose / Pipe parts for the 2023 Chevrolet Corvette. GM GENUINE 84369143 carries the "Popular" badge. 1 part fits every engine; the other 14 are engine-specific.

This table covers the Coolant Hose Connector flanges. Read more

GM GENUINE supplies the 4 Coolant Hose Connector / Flange parts for the 2023 Chevrolet Corvette. 2 parts fit every engine; the other 2 are engine-specific.

Part numbers include GM GENUINE 84254392, GM GENUINE 23333192 and GM GENUINE 12707272, among others listed above.

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

GM GENUINE supplies the 8 Coolant Hose Retainer / Clip parts for the 2023 Chevrolet Corvette. GM GENUINE 11548672 carries the "Popular" badge. 6 parts fit every engine; the other 2 are engine-specific.

Listed part numbers: GM GENUINE 11548672, GM GENUINE 88996648 and GM GENUINE 11547355, plus the other parts above.

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

This group shows a single part: GM GENUINE 84889157.

This table covers the brackets that mount the Coolant Reservoir. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

4 Coolant Reservoir Bracket parts for the 2023 Chevrolet Corvette come from GM GENUINE. Every part fits both the 5.5L V8 and the 6.2L V8.

This group includes GM GENUINE 84238791, GM GENUINE 84529994 and GM GENUINE 84529996 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 for the 2023 Chevrolet Corvette come from 6 brands — DORMAN, SKP, AUTOTECNICA and 3 other brands. The "Popular" part is DORMAN 54218. Every part fits both the 5.5L V8 and the 6.2L V8.

Listed part numbers: DORMAN 54218, SKP SK54218 and AUTOTECNICA GM0714619, plus the other parts above.

This table covers the Hose clamps. Read more

GM GENUINE supplies the 9 Hose Clamp parts for the 2023 Chevrolet Corvette. GM GENUINE 11570871 carries the "Popular" badge. 8 parts fit every engine; the other 1 is engine-specific.

Part numbers include GM GENUINE 11570871, GM GENUINE 13162312 and GM GENUINE 11548826, among others listed 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

GM GENUINE supplies the 5 Radiator parts for the 2023 Chevrolet Corvette. GM GENUINE 85559349 carries the "Popular" badge. 3 parts fit every engine; the other 2 are engine-specific.

This group includes GM GENUINE 85559349, GM GENUINE 23429489 and GM GENUINE 85559347 and the remaining parts above.

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

One part is listed for the 2023 Chevrolet Corvette — ACDELCO RC124.

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

This group shows a single part: GM GENUINE 22790134.

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

11 Radiator Fan Assembly parts for the 2023 Chevrolet Corvette come from 4 brands — TECHPRO, GM GENUINE, GPD and 1 other brand. The "Popular" part is TECHPRO GM3115362. 4 parts fit every engine; the other 7 are engine-specific.

The Economy section: 6 options from TECHPRO and GPD. TECHPRO GM3115362 is listed in this group.

Standard Replacement: 5 parts, from GM GENUINE and TYC. A representative part number is GM GENUINE 85670398.

This table covers the brackets that mount the Radiator Fan Motor. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

One part is listed for the 2023 Chevrolet Corvette — GM GENUINE 84524655.

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

9 Radiator Hose parts for the 2023 Chevrolet Corvette come from 2 brands — GM GENUINE and ACDELCO. The "Popular" part is GM GENUINE 85147464. 6 parts fit every engine; the other 3 are engine-specific.

Listed part numbers: GM GENUINE 85147464, GM GENUINE 85147461 and ACDELCO 85136680, plus the other parts above.

This table covers the brackets that mount the Radiator Hose. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

5 Radiator Hose Bracket parts for the 2023 Chevrolet Corvette come from GM GENUINE. 1 part fits every engine; the other 4 are engine-specific.

Listed part numbers: GM GENUINE 84900073, GM GENUINE 85001026 and GM GENUINE 85637186, plus the other parts above.

This table covers the Radiator Insulator sleeves. Read more

This group shows a single part: GM GENUINE 84215645.

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

2 Radiator Seal parts for the 2023 Chevrolet Corvette come from GM GENUINE.

Part numbers include GM GENUINE 84280868 and GM GENUINE 84280869.

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

17 Temperature Sender / Sensor parts are listed for the 2023 Chevrolet Corvette, from HOLSTEIN, GM GENUINE, WALKER PRODUCTS and 4 other brands. GM GENUINE 55488246 carries the "Popular" badge. 4 parts fit every engine; the other 13 are engine-specific.

Economy: 5 parts, from HOLSTEIN and GPD. A representative part number is GPD 1814556.

The Standard Replacement section: 12 options from GM GENUINE, WALKER PRODUCTS, STANDARD MOTOR PRODUCTS and 2 other brands. GM GENUINE 55488246 is listed in this group.

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

10 Thermostat parts for the 2023 Chevrolet Corvette come from 2 brands — MOTORAD and CALORSTAT. The "Popular" part is MOTORAD 523190. Every part fits both the 5.5L V8 and the 6.2L V8.

In the Heavy Duty grade, MOTORAD supplies 2 parts: rated for severe service. A representative part number is MOTORAD 5523187.

The Performance section lists 2 options from MOTORAD — engineered beyond original-equipment specification. MOTORAD MRD105 is listed in this group.

Standard Replacement: 6 parts, from MOTORAD and CALORSTAT. A representative part number is MOTORAD 523190.

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

3 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2023 Chevrolet Corvette, from ELRING, FEL-PRO and VICTOR REINZ. 2 parts fit every engine; the other 1 is engine-specific.

This group includes ELRING 782380, FEL-PRO 35720 and VICTOR REINZ 711357800.

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

4 Thermostat Housing / Water Outlet parts for the 2023 Chevrolet Corvette come from 3 brands — FOUR SEASONS, DORMAN and MOTORAD.

The Economy section: 1 option from DORMAN. DORMAN 9022081 is listed in this group.

Standard Replacement: 2 parts, from FOUR SEASONS and MOTORAD. A representative part number is FOUR SEASONS 85945.

1 further part sits outside the graded sections, with the same engine-level match.

This group includes DORMAN 9022081, FOUR SEASONS 85945 and MOTORAD CH5945 and the remaining parts 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

One part is listed for the 2023 Chevrolet Corvette — 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

4 Water Pump parts for the 2023 Chevrolet Corvette come from 3 brands — GM GENUINE, FVP and GMB. 1 part fits every engine; the other 3 are engine-specific.

Part numbers include FVP 1303200, GM GENUINE 12724330 and GM GENUINE 12725188, 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

6 Water Pump Gasket parts are listed for the 2023 Chevrolet Corvette, from GM GENUINE, ELRING, FEL-PRO and 1 other brand. GM GENUINE 2512066 carries the "Popular" badge.

Part numbers include GM GENUINE 2512066, GM GENUINE 2512065 and ELRING 601440, among others listed above.

This table covers the Water Pump housings. Read more

GM GENUINE supplies both parts for the 2023 Chevrolet Corvette.

This group includes GM GENUINE 12714605 and GM GENUINE 12725190.

This table covers the Water Pump Inlet tubes. Read more

6 Water Pump Inlet Tube parts for the 2023 Chevrolet Corvette come from GM GENUINE.

This group includes GM GENUINE 85635111, GM GENUINE 85598810 and GM GENUINE 86291393 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

One part is listed for the 2023 Chevrolet Corvette — GM GENUINE 12668424.

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

This group shows a single part: ELRING B04220.