2021 Honda HR-V 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

17 Coolant / Antifreeze parts for the 2021 Honda HR-V come from 7 brands — PRESTONE, PEAK, VALVOLINE and 4 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, PRESTONE, PEAK and 1 other brand — the catalog's value-priced group. FVP MV5050GAL is listed in this group.

In the Heavy Duty grade, PRESTONE supplies 1 part: rated for severe service. A representative part number is PRESTONE AFC12100.

In the Premium grade, PRESTONE and PEAK supply 5 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, BECK/ARNLEY, VALVOLINE, AISIN and 2 other brands supply 6 parts: built to original-equipment specification. A representative part number is VALVOLINE 861398.

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

4 Coolant Hose / Pipe Seal parts are listed for the 2021 Honda HR-V, from AJUSA, MAHLE / CLEVITE and VICTOR REINZ.

This group includes AJUSA 16022400, AJUSA 16022450 and MAHLE / CLEVITE C32870 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

One part is listed for the 2021 Honda HR-V — MOTORAD T150.

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

3 Cooling System Tester Adapter parts for the 2021 Honda HR-V come from 2 brands — MOTORAD and GATES.

Listed part numbers: GATES 31409, MOTORAD 3124 and MOTORAD 3125.

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

7 Radiator parts for the 2021 Honda HR-V come from 7 brands — ULTRA-POWER, CSF, TYC and 4 other brands. The "Popular" part is CSF 3854.

The Economy section: 1 option from ULTRA-POWER. ULTRA-POWER 13539 is listed in this group.

Standard Replacement: 6 parts, from CSF, TYC, DENSO and 3 other brands. A representative part number is CSF 3854.

Listed part numbers: CSF 3854 and ULTRA-POWER 13539, plus the other 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

5 Radiator Cap parts for the 2021 Honda HR-V come from 4 brands — MOTORAD, GATES, CALORSTAT and 1 other brand. The "Popular" part is GATES 31412.

In the Locking Replacement grade, MOTORAD supplies 1 part: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is MOTORAD ST37.

Standard Replacement: 4 parts, from GATES, CALORSTAT, MOTORAD and 1 other brand. A representative part number is GATES 31412.

This group includes GATES 31412, MOTORAD ST37 and CALORSTAT RC0040 and the remaining parts above.

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

5 Radiator Fan Assembly parts are listed for the 2021 Honda HR-V, from DORMAN, GPD, TYC and 2 other brands. TYC 601540 carries the "Popular" badge.

Economy: 2 parts, from DORMAN and GPD. A representative part number is DORMAN 621972.

The Standard Replacement section: 3 options from TYC, UAC and VDO / CONTINENTAL. TYC 601540 is listed in this group.

This group includes TYC 601540, DORMAN 621972 and GPD 2811941 and the remaining parts 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

This group shows a single part: ACKOJA A26010027.

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 Honda HR-V, from GATES, DAYCO and CONTINENTAL. DAYCO 72402 carries the "Popular" badge.

Part numbers include DAYCO 72402, CONTINENTAL 66029 and GATES 24878, among others listed above.

This table covers the Radiator insulators. Read more

One part is listed for the 2021 Honda HR-V — TECHPRO HO3013100.

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

One part is listed for the 2021 Honda HR-V — DORMAN 927241.

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

13 Temperature Sender / Sensor parts for the 2021 Honda HR-V come from 10 brands — STANDARD MOTOR PRODUCTS, BECK/ARNLEY, NTK and 7 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TX215T.

The Economy section: 5 options from STANDARD MOTOR PRODUCTS, CALORSTAT, GPD and 2 other brands. STANDARD MOTOR PRODUCTS TX215T is listed in this group.

Standard Replacement: 8 parts, from BECK/ARNLEY, NTK, STANDARD MOTOR PRODUCTS and 3 other brands. A representative part number is STANDARD MOTOR PRODUCTS TX215.

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

2 Temperature Sender / Sensor O-Ring parts for the 2021 Honda HR-V come from 2 brands — APEX and FEL-PRO.

Part numbers include APEX AWO2407 and FEL-PRO 72926.

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

12 Thermostat parts are listed for the 2021 Honda HR-V, from MOTORAD, AISIN, BECK/ARNLEY and 2 other brands. AISIN THH016 carries the "Popular" badge.

The Heavy Duty section: 1 option from MOTORAD. MOTORAD 5328170 is listed in this group.

In the Performance grade, MOTORAD supplies 2 parts: engineered beyond original-equipment specification. A representative part number is MOTORAD 2328170.

The Premium section: 1 option from MOTORAD. MOTORAD 7328170 is listed in this group.

The Standard Replacement section: 8 options from MOTORAD, AISIN, BECK/ARNLEY and 2 other brands. AISIN THH016 is listed in this group.

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

8 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 Honda HR-V come from 7 brands — MAHLE / CLEVITE, FEL-PRO, GATES and 4 other brands. The "Popular" part is FEL-PRO 35734.

This group includes FEL-PRO 35734, GATES 33615 and APEX AWO2204 and the remaining parts above.

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

8 Thermostat Housing / Water Outlet parts are listed for the 2021 Honda HR-V, from MOTORAD, DORMAN, GATES and 1 other brand. DORMAN 9025828 carries the "Popular" badge.

Economy: 2 parts, from DORMAN. A representative part number is DORMAN 9025828.

The Standard Replacement section: 6 options from MOTORAD, GATES and FOUR SEASONS. MOTORAD CH5975 is listed in this group.

Listed part numbers: DORMAN 9025828, DORMAN 9025826 and MOTORAD CH5975, plus the other 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

5 Water Pump parts are listed for the 2021 Honda HR-V, from BECK/ARNLEY, AISIN, DAYCO and 2 other brands. AISIN WPH071 carries the "Popular" badge.

Economy: 1 part, from BECK/ARNLEY. A representative part number is BECK/ARNLEY 1312503.

The Standard Replacement section: 4 options from AISIN, DAYCO, GATES and 1 other brand. AISIN WPH071 is listed in this group.

This group includes AISIN WPH071, BECK/ARNLEY 1312503 and DAYCO DP2743 and the remaining 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

5 Water Pump Gasket parts for the 2021 Honda HR-V come from 5 brands — FEL-PRO, APEX, BECK/ARNLEY and 2 other brands. The "Popular" part is FEL-PRO 35884.

Listed part numbers: FEL-PRO 35884, APEX AWP3238 and BECK/ARNLEY 0394189, plus the other parts above.