2004 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 are listed for the 2004 Acura MDX, 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

One part is listed for the 2004 Acura MDX — GATES 20338.

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

5 Coolant Hose / Pipe Seal parts for the 2004 Acura MDX come from 4 brands — AJUSA, MAHLE / CLEVITE, FEL-PRO and 1 other brand. The "Popular" part is MAHLE / CLEVITE C32870.

Listed part numbers: MAHLE / CLEVITE C32870, AJUSA 16022400 and AJUSA 16022450, plus the other parts above.

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

5 Coolant Reservoir parts for the 2004 Acura MDX come from 5 brands — DORMAN, AUTOTECNICA, GPD and 2 other brands. The "Popular" part is DORMAN 603292.

This group includes DORMAN 603292, AUTOTECNICA HA0718794 and GPD 2411364 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

3 Coolant Reservoir Cap parts for the 2004 Acura MDX come from 3 brands — CALORSTAT, DORMAN and MOTORAD.

This group includes CALORSTAT RC0175, DORMAN 54370 and MOTORAD T135.

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

2 Coolant Water Crossover Mounting Set parts are listed for the 2004 Acura MDX, from MAHLE / CLEVITE and VICTOR REINZ.

Listed part numbers: MAHLE / CLEVITE C17813 and VICTOR REINZ 181016001.

This table covers the Cooling Fan control modules. Read more

3 Cooling Fan Control Module parts for the 2004 Acura MDX 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 2004 Acura MDX, from MOTORAD and GATES.

This group includes 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

12 Radiator parts are listed for the 2004 Acura MDX, from FAMOUS BRAND, ULTRA-POWER, CSF and 9 other brands. CSF 3472 carries the "Popular" badge.

Economy: 2 parts, from FAMOUS BRAND and ULTRA-POWER. A representative part number is FAMOUS BRAND 433987.

The Standard Replacement section: 10 options from CSF, KOYORAD, TYC and 7 other brands. CSF 3472 is listed in this group.

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 2004 Acura MDX, 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.

Part numbers include CSF 4514, MOTORAD ST37 and GATES 31412, among others listed above.

This table covers the petcocks used to drain the radiator. Read more

This group shows a single part: DORMAN 490216.

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

6 Radiator Fan Assembly parts for the 2004 Acura MDX come from 6 brands — GPD, SKP, FOUR SEASONS and 3 other brands. The "Popular" part is FOUR SEASONS 75345.

The Economy section: 2 options from GPD and SKP. GPD 2811299 is listed in this group.

Standard Replacement: 4 parts, from FOUR SEASONS, TYC, UAC and 1 other brand. A representative part number is FOUR SEASONS 75345.

This group includes FOUR SEASONS 75345, GPD 2811299 and SKP SK620238 and the remaining parts 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 2004 Acura MDX come from 4 brands — GATES, ACDELCO, CONTINENTAL and 1 other brand. The "Popular" part is GATES 23319.

Part numbers include GATES 23319, GATES 23320 and ACDELCO 24619L, 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

16 Temperature Sender / Sensor parts are listed for the 2004 Acura MDX, from HOLSTEIN, STANDARD MOTOR PRODUCTS, SKP and 11 other brands. SKP SK5S1529 carries the "Popular" badge.

Economy: 6 parts, from HOLSTEIN, SKP, GPD and 2 other brands. A representative part number is SKP SK5S1529.

The Standard Replacement section: 10 options from BECK/ARNLEY, DELPHI, HELLA and 7 other brands. BECK/ARNLEY 1580811 is listed in this group.

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

16 Thermostat parts for the 2004 Acura MDX come from 9 brands — MOTORAD, GATES, BECK/ARNLEY and 6 other brands. The "Popular" part is MOTORAD 5302170.

Heavy Duty: 2 parts, from MOTORAD and GATES. A representative part number is MOTORAD 5302170.

Premium: 1 part, from MOTORAD. A representative part number is MOTORAD 7302170.

Standard Replacement: 13 parts, from MOTORAD, BECK/ARNLEY, CALORSTAT and 6 other brands. A representative part number is AISIN THH017.