2025 Acura Integra 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

10 Coolant / Antifreeze parts are listed for the 2025 Acura Integra, from PRESTONE, VALVOLINE, AISIN and 2 other brands. PRESTONE AF2100 carries the "Popular" badge. All of them fit every engine offered in the 2025 Integra.

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, PRESTONE and VALVOLINE supply 2 parts: the catalog's value-priced group. A representative part number is PRESTONE AF3100.

The Premium section lists 3 options from PRESTONE — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.

The Standard Replacement section lists 4 options from VALVOLINE, AISIN, BECK/ARNLEY and 1 other brand — built to original-equipment specification. VALVOLINE 861398 is listed in this group.

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

2 Coolant Hose / Pipe Seal parts for the 2025 Acura Integra come from 2 brands — AJUSA and MAHLE / CLEVITE.

This group includes AJUSA 16022450 and MAHLE / CLEVITE C32870.

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

This group shows a single part: TECHPRO HO3014148.

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

This group shows a single part: CALORSTAT RC0207.

This table covers the intercoolers that cool turbo or supercharger charge air. Read more

3 Intercooler parts are listed for the 2025 Acura Integra, from GPD, TECHPRO and TYC.

Part numbers include GPD 2711555, TECHPRO HO3012104 and TYC 18143.

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

6 Radiator parts are listed for the 2025 Acura Integra, from TECHPRO, CSF, FVP and 2 other brands. CSF 3951 carries the "Popular" badge.

Economy: 1 part, from TECHPRO. A representative part number is TECHPRO HO3010256.

The Standard Replacement section: 4 options from CSF, FVP, OSC and 1 other brand. CSF 3951 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

Part numbers include CSF 3951, TECHPRO HO3010256 and FVP RAD13932, among others listed 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

3 Radiator Cap parts are listed for the 2025 Acura Integra, from MOTORAD and CALORSTAT.

The Locking Replacement section lists 1 option from MOTORAD — grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. MOTORAD ST37 is listed in this group.

The Standard Replacement section: 2 options from CALORSTAT and MOTORAD. CALORSTAT RC0040 is listed in this group.

Listed part numbers: MOTORAD ST37, CALORSTAT RC0040 and MOTORAD T37.

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

8 Radiator Fan Assembly parts for the 2025 Acura Integra come from 5 brands — UAC, TECHPRO, ULTRA-POWER and 2 other brands. The "Popular" part is TYC 601620. 3 parts fit every engine; the other 5 are engine-specific.

The Economy section: 3 options from TECHPRO and ULTRA-POWER. TECHPRO HO3115182 is listed in this group.

Standard Replacement: 5 parts, from UAC, TYC and AGILITY. A representative part number is TYC 601620.

Part numbers include TYC 601620, TECHPRO HO3115182 and TECHPRO HO3115187, among others listed 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 are listed for the 2025 Acura Integra, from CALORSTAT, HOLSTEIN, NISSENS and 2 other brands. 3 parts fit every engine; the other 2 are engine-specific.

Economy: 2 parts, from CALORSTAT and HOLSTEIN. A representative part number is CALORSTAT WS3039.

The Standard Replacement section: 3 options from NISSENS, WALKER PRODUCTS and WELLS. NISSENS 207071 is listed in this group.

Listed part numbers: CALORSTAT WS3039, HOLSTEIN 2CTS0123 and NISSENS 207071, 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

6 Thermostat parts for the 2025 Acura Integra come from 4 brands — FOUR SEASONS, MOTORAD, AISIN and 1 other brand.

Part numbers include AISIN THH019, BECK/ARNLEY 1430983 and FOUR SEASONS 86203, 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

4 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2025 Acura Integra, from FEL-PRO, ELRING and MAHLE / CLEVITE. 1 part fits every engine; the other 3 are engine-specific.

This group includes ELRING 108130, FEL-PRO 36160 and FEL-PRO 35741 and the remaining parts above.

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

This group shows a single part: MOTORAD CH3096.

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

6 Water Pump parts for the 2025 Acura Integra come from 6 brands — US MOTOR WORKS, BECK/ARNLEY, FVP and 3 other brands. The "Popular" part is US MOTOR WORKS US8145.

The Economy section: 3 options from US MOTOR WORKS, BECK/ARNLEY and FVP. US MOTOR WORKS US8145 is listed in this group.

Standard Replacement: 3 parts, from AISIN, DAYCO and GMB. A representative part number is AISIN WPH078.

Listed part numbers: US MOTOR WORKS US8145 and BECK/ARNLEY 1312534, plus the other parts 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

2 Water Pump Gasket parts are listed for the 2025 Acura Integra, from FEL-PRO and MAHLE / CLEVITE.

Listed part numbers: FEL-PRO 36157 and MAHLE / CLEVITE K33409.