2020 Acura RDX 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 2020 Acura RDX 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, VALVOLINE, AISIN, BECK/ARNLEY and 2 other brands supply 5 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

One part is listed for the 2020 Acura RDX — FEL-PRO 36022.

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

One part is listed for the 2020 Acura RDX — TECHPRO AC3014116.

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

2 Coolant Reservoir Cap parts are listed for the 2020 Acura RDX, from CALORSTAT and MOTORAD.

This group includes CALORSTAT RC0174 and MOTORAD T108.

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

3 Cooling System Tester Adapter parts for the 2020 Acura RDX come from 2 brands — MOTORAD and GATES.

This group includes GATES 31409, MOTORAD 3124 and MOTORAD 3125.

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

5 Intercooler parts for the 2020 Acura RDX come from 4 brands — GPD, TYC, NISSENS and 1 other brand. The "Popular" part is TYC 18106.

Listed part numbers: TYC 18106, GPD 2711333 and GPD 2711392, 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

6 Radiator parts for the 2020 Acura RDX come from 6 brands — CSF, TYC, AGILITY and 3 other brands. The "Popular" part is CSF 3897.

Listed part numbers: CSF 3897, TYC 13766 and AGILITY 8013766, 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 2020 Acura RDX 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.

Listed part numbers: GATES 31412, MOTORAD ST37 and CALORSTAT RC0040, plus the other parts above.

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

2 Radiator Fan Assembly parts are listed for the 2020 Acura RDX, from TECHPRO and UAC.

Economy: 1 part, from TECHPRO. A representative part number is TECHPRO AC3115130.

The Standard Replacement section: 1 option from UAC. UAC FA51441C is listed in this group.

Listed part numbers: TECHPRO AC3115130 and UAC FA51441C.

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

CONTINENTAL supplies both parts for the 2020 Acura RDX.

This group includes CONTINENTAL 66717 and CONTINENTAL 62432.

This table covers the Radiator insulators. Read more

One part is listed for the 2020 Acura RDX — TECHPRO HO3013100.

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

14 Temperature Sender / Sensor parts for the 2020 Acura RDX come from 10 brands — STANDARD MOTOR PRODUCTS, HOLSTEIN, BECK/ARNLEY and 7 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TX215T.

The Economy section: 6 options from HOLSTEIN, STANDARD MOTOR PRODUCTS, CALORSTAT 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

This group shows a single part: 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

5 Thermostat parts are listed for the 2020 Acura RDX, from MOTORAD, AISIN, BECK/ARNLEY and 2 other brands. MOTORAD 1116172 carries the "Popular" badge.

This group includes MOTORAD 1116172, AISIN THH020 and BECK/ARNLEY 1430978 and the remaining 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

5 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2020 Acura RDX come from 5 brands — FEL-PRO, AJUSA, APEX and 2 other brands. The "Popular" part is FEL-PRO 35741.

Listed part numbers: FEL-PRO 35741, AJUSA 01129500 and APEX AWO2216, plus the other parts above.

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

One part is listed for the 2020 Acura RDX — MOTORAD CH3094.

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 are listed for the 2020 Acura RDX, from FVP, JAPANESE OE, US MOTOR WORKS and 2 other brands. JAPANESE OE FWH040 carries the "Popular" badge.

Economy: 3 parts, from JAPANESE OE, FVP and US MOTOR WORKS. A representative part number is JAPANESE OE FWH040.

The Standard Replacement section: 3 options from GATES, FVP and GMB. GATES 41220 is listed in this group.

This group includes JAPANESE OE FWH040 and FVP US8180 and the remaining parts above.