2012 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

17 Coolant / Antifreeze parts are listed for the 2012 Acura RDX, from PRESTONE, PEAK, VALVOLINE and 4 other brands. FVP MV5050GAL carries the "Popular" badge.

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, FVP, PRESTONE, PEAK and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is FVP MV5050GAL.

The Heavy Duty section lists 1 option from PRESTONE — rated for severe service. PRESTONE AFC12100 is listed in this group.

The Premium section lists 5 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 BECK/ARNLEY, VALVOLINE, AISIN and 2 other brands — built to original-equipment specification. VALVOLINE 861398 is listed in this group.

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

3 Coolant Hose / Pipe parts are listed for the 2012 Acura RDX, from CONTINENTAL, DAYCO and GATES.

Listed part numbers: CONTINENTAL 64558, DAYCO 88351 and GATES 18058.

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 for the 2012 Acura RDX come from 3 brands — FEL-PRO, MAHLE / CLEVITE and VICTOR REINZ.

Listed part numbers: FEL-PRO 36022, MAHLE / CLEVITE C32045 and VICTOR REINZ 417634500.

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

2 Coolant Reservoir parts for the 2012 Acura RDX come from 2 brands — TECHPRO and VARIOUS MFR.

Listed part numbers: TECHPRO AC3014110, plus the other 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

3 Coolant Reservoir Cap parts for the 2012 Acura RDX come from 3 brands — CALORSTAT, DORMAN and MOTORAD.

This group includes CALORSTAT RC0207, DORMAN 54227 and MOTORAD T165.

This table covers the Cooling Fan control modules. Read more

3 Cooling Fan Control Module parts for the 2012 Acura RDX come from US MOTOR WORKS.

This group includes US MOTOR WORKS 16749, US MOTOR WORKS 16789 and US MOTOR WORKS 16795.

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

3 Cooling System Tester Adapter parts are listed for the 2012 Acura RDX, from 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

4 Intercooler parts are listed for the 2012 Acura RDX, from CSF, GPD, SPECTRA PREMIUM and 1 other brand.

This group includes CSF 6099, GPD 2711330 and SPECTRA PREMIUM 44011801 and the remaining 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

9 Radiator parts are listed for the 2012 Acura RDX, from CSF, DENSO, AGILITY and 6 other brands. CSF 3477 carries the "Popular" badge.

This group includes CSF 3477, DENSO 2213238 and AGILITY 8012916 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

6 Radiator Cap parts are listed for the 2012 Acura RDX, from MOTORAD, CSF, GATES and 2 other brands. CSF 4514 carries the "Popular" badge.

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: 5 options from CSF, GATES, CALORSTAT and 2 other brands. CSF 4514 is listed in this group.

This group includes CSF 4514, MOTORAD ST37 and GATES 31412 and the remaining parts above.

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

9 Radiator Fan Assembly parts for the 2012 Acura RDX come from 8 brands — TECHPRO, DORMAN, SKP and 5 other brands. The "Popular" part is DORMAN 621348.

The Economy section: 5 options from TECHPRO, DORMAN, SKP and 1 other brand. DORMAN 621348 is listed in this group.

Standard Replacement: 4 parts, from FOUR SEASONS, NISSENS, TYC and 1 other brand. A representative part number is FOUR SEASONS 76350.

Part numbers include DORMAN 621348, SKP SK621348 and GPD 2812231, 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

8 Radiator Hose parts for the 2012 Acura RDX come from 4 brands — DAYCO, ACDELCO, CONTINENTAL and 1 other brand. The "Popular" part is DAYCO 72504.

This group includes DAYCO 72504, DAYCO 72510 and ACDELCO 22701L and the remaining parts 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

16 Temperature Sender / Sensor parts are listed for the 2012 Acura RDX, from STANDARD MOTOR PRODUCTS, HOLSTEIN, BECK/ARNLEY and 10 other brands. STANDARD MOTOR PRODUCTS TX215T carries the "Popular" badge.

Economy: 7 parts, from HOLSTEIN, STANDARD MOTOR PRODUCTS, CALORSTAT and 3 other brands. A representative part number is STANDARD MOTOR PRODUCTS TX215T.

The Standard Replacement section: 9 options from BECK/ARNLEY, STANDARD MOTOR PRODUCTS, WELLS and 5 other brands. BECK/ARNLEY 1581570 is listed in this group.

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

One part is listed for the 2012 Acura RDX — 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 for the 2012 Acura RDX come from 5 brands — DORMAN, GATES, BECK/ARNLEY and 2 other brands. The "Popular" part is GATES 34048.

The Economy section: 1 option from DORMAN. DORMAN 9025168 is listed in this group.

Standard Replacement: 4 parts, from GATES, BECK/ARNLEY, FOUR SEASONS and 1 other brand. A representative part number is GATES 34048.

Listed part numbers: GATES 34048, DORMAN 9025168 and BECK/ARNLEY 1430882, 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

8 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2012 Acura RDX, from FEL-PRO, MAHLE / CLEVITE, APEX and 2 other brands. FEL-PRO 35892 carries the "Popular" badge.

Part numbers include FEL-PRO 35892, FEL-PRO 35739 and APEX AWO2216, among others listed 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

6 Water Pump parts for the 2012 Acura RDX come from 6 brands — BECK/ARNLEY, US MOTOR WORKS, AISIN and 3 other brands. The "Popular" part is AISIN WPH070.

The Economy section: 2 options from BECK/ARNLEY and US MOTOR WORKS. BECK/ARNLEY 1312389 is listed in this group.

Standard Replacement: 4 parts, from AISIN, GMB, ACDELCO and 1 other brand. A representative part number is AISIN WPH070.

This group includes AISIN WPH070, BECK/ARNLEY 1312389 and US MOTOR WORKS US6223 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

4 Water Pump Gasket parts are listed for the 2012 Acura RDX, from APEX, BECK/ARNLEY, FEL-PRO and 1 other brand.

This group includes APEX AWP3183, BECK/ARNLEY 0394176 and FEL-PRO 35738 and the remaining parts above.