2012 Acura MDX 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 2012 Acura MDX 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 2012 Acura MDX, from AJUSA, FEL-PRO, MAHLE / CLEVITE and 1 other brand.

Listed part numbers: AJUSA 16022450, FEL-PRO ES72774 and MAHLE / CLEVITE C32870, plus the other parts above.

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

One part is listed for the 2012 Acura MDX — TECHPRO AC3014104.

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 are listed for the 2012 Acura MDX, from CALORSTAT, DORMAN and MOTORAD.

Listed part numbers: CALORSTAT RC0174, DORMAN 54228 and MOTORAD T108.

This table covers the Coolant Water Crossover Mounting sets. Read more

2 Coolant Water Crossover Mounting Set parts for the 2012 Acura MDX come from 2 brands — MAHLE / CLEVITE and VICTOR REINZ.

Part numbers include MAHLE / CLEVITE C17813 and VICTOR REINZ 181016001.

This table covers the Cooling Fan control modules. Read more

US MOTOR WORKS supplies the 3 Cooling Fan Control Module parts for the 2012 Acura MDX.

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 for the 2012 Acura MDX 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

10 Radiator parts for the 2012 Acura MDX come from 10 brands — CSF, DENSO, AGILITY and 7 other brands. The "Popular" part is CSF 3476.

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 for the 2012 Acura MDX come from 5 brands — MOTORAD, CSF, GATES and 2 other brands. The "Popular" part is CSF 4514.

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: 5 parts, from CSF, GATES, CALORSTAT and 2 other brands. A representative part number is CSF 4514.

Listed part numbers: CSF 4514, MOTORAD ST37 and GATES 31412, plus the other parts above.

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

7 Radiator Fan Assembly parts are listed for the 2012 Acura MDX, from GPD, DORMAN, ULTRA-POWER and 3 other brands. DORMAN 621519 carries the "Popular" badge.

Economy: 4 parts, from GPD, DORMAN and ULTRA-POWER. A representative part number is DORMAN 621519.

The Standard Replacement section: 3 options from FOUR SEASONS, TYC and UAC. FOUR SEASONS 76236 is listed in this group.

Listed part numbers: DORMAN 621519, GPD 2812232 and GPD 2811999, plus the other 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 A26010015.

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

6 Radiator Hose parts are listed for the 2012 Acura MDX, from DAYCO, CONTINENTAL, ACDELCO and 1 other brand. DAYCO 72562 carries the "Popular" badge.

Listed part numbers: DAYCO 72562, ACDELCO 27059X and CONTINENTAL 66872, plus the other 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

14 Temperature Sender / Sensor parts for the 2012 Acura MDX come from 13 brands — STANDARD MOTOR PRODUCTS, CALORSTAT, GPD and 10 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TX215T.

The Economy section: 6 options from STANDARD MOTOR PRODUCTS, CALORSTAT, GPD and 3 other brands. STANDARD MOTOR PRODUCTS TX215T is listed in this group.

Standard Replacement: 8 parts, from BECK/ARNLEY, WELLS, DELPHI and 5 other brands. A representative part number is BECK/ARNLEY 1581570.

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

17 Thermostat parts are listed for the 2012 Acura MDX, from MOTORAD, GATES, BECK/ARNLEY and 6 other brands. MOTORAD 5302170 carries the "Popular" badge.

The Heavy Duty section: 2 options from MOTORAD and GATES. MOTORAD 5302170 is listed in this group.

The Premium section: 1 option from MOTORAD. MOTORAD 7302170 is listed in this group.

The Standard Replacement section: 14 options from MOTORAD, BECK/ARNLEY, CALORSTAT and 6 other brands. AISIN THH017 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

13 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2012 Acura MDX come from 10 brands — FEL-PRO, APEX, MAHLE / CLEVITE and 7 other brands. The "Popular" part is BECK/ARNLEY 0390115.

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

5 Thermostat Housing / Water Outlet parts are listed for the 2012 Acura MDX, from DORMAN, GPD, FOUR SEASONS and 2 other brands. DORMAN 9025827 carries the "Popular" badge.

Economy: 2 parts, from DORMAN and GPD. A representative part number is DORMAN 9025827.

The Standard Replacement section: 3 options from FOUR SEASONS, GATES and MOTORAD. FOUR SEASONS 86018 is listed in this group.

This group includes DORMAN 9025827, GPD 8241573 and FOUR SEASONS 86018 and the remaining 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

11 Water Pump parts are listed for the 2012 Acura MDX, from AISIN, SKP, BECK/ARNLEY and 7 other brands. SKP SK1351530 carries the "Popular" badge.

Economy: 5 parts, from SKP, BECK/ARNLEY, FVP and 2 other brands. A representative part number is SKP SK1351530.

The Standard Replacement section: 6 options from AISIN, GMB, ACDELCO and 2 other brands. AISIN WPH801 is listed in this group.

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 for the 2012 Acura MDX come from 6 brands — FEL-PRO, MAHLE / CLEVITE, APEX and 3 other brands. The "Popular" part is FEL-PRO 35677.

Part numbers include FEL-PRO 35677, MAHLE / CLEVITE K17818 and APEX AWP3161, among others listed above.