This page lists 47 cooling system parts for the 2017 Acura RDX, across 11 part types, covering the 3.5L V6 engine. Every part shows its brand, manufacturer part number and fitment notes.
The cooling system system on the 2017 Acura RDX keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. The largest groups are Coolant / Antifreeze (17 parts), Radiator (6 parts) and Coolant Hose / Pipe Seal (5 parts). The other 8 part types cover the remaining 19 parts.
Every part on this page is matched to the 3.5L V6 — the only engine offered in the 2017 Acura RDX.
The most listed brands for 2017 Acura RDX cooling system parts are PRESTONE (6 parts), MOTORAD (5 parts) and PEAK (4 parts), plus 22 more brands. Quality grades include Standard Replacement, Economy and Premium.
8 parts on this 2017 Acura RDX page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FVP MV5050GAL (Coolant / Antifreeze) and MAHLE / CLEVITE C32870 (Coolant Hose / Pipe Seal). Click any part number to see every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AF3055 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular | MV5050GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended LifeAll Makes / All Models | View on Amazon |
| PRESTONE Popular | AF3100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| PEAK | BQA1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| VALVOLINE | 719009 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AFC12100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | All Vehicles10yr/300k mi | View on Amazon |
| PEAK | PKP1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Global Lifetime1 Gallon | View on Amazon |
| PRESTONE | AF6310 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | MAX Original EquipmentAsian Blue | View on Amazon |
| PRESTONE | AFMAX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | 861398 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Asian Vehicle Blue1 Gallon | View on Amazon |
| AISIN | ACB003 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BlueHOAT | View on Amazon |
| BECK/ARNLEY | 2521501 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Premium Extra Life BlueAsian | View on Amazon |
| BECK/ARNLEY | 2521001 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Premium Green1 Gallon | View on Amazon |
| PEAK | PAB1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OET Asian Extended Life Blue1 Gallon | View on Amazon |
| PENTOSIN | 8115207 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pentofrost A31 Gallon | View on Amazon |
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.
17 Coolant / Antifreeze parts for the 2017 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, BECK/ARNLEY, VALVOLINE, AISIN and 2 other brands supply 6 parts: built to original-equipment specification. A representative part number is VALVOLINE 861398.
Coolant Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HASTINGS / BALDWIN | WC14 | 🇺🇸 US 🇨🇦 CA | with D13 Engine.with 8 Units BTE | View on Amazon |
This table covers the Coolant filters. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for.
This group shows a single part: HASTINGS / BALDWIN WC14.
Coolant Hose / Pipe Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE Popular | C32870 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Engine Coolant Outlet O-RingMolded Rubber | View on Amazon |
| AJUSA | 16022400 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | COOLANT PIPE | View on Amazon |
| AJUSA | 16022450 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | COOLANT PIPE | View on Amazon |
| FEL-PRO | ES72774 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | EGR Valve Gasket(s) IncludedSet | View on Amazon |
| VICTOR REINZ | 411076700 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | O-Ring | View on Amazon |
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.
5 Coolant Hose / Pipe Seal parts are listed for the 2017 Acura RDX, from AJUSA, MAHLE / CLEVITE, FEL-PRO and 1 other brand. MAHLE / CLEVITE C32870 carries the "Popular" badge.
Listed part numbers: MAHLE / CLEVITE C32870, AJUSA 16022400 and AJUSA 16022450, plus the other parts above.
Coolant Reservoir
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO | AC3014117 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Reservoir Assembly | View on Amazon |
This table covers the overflow / expansion tanks that hold extra coolant.
One part is listed for the 2017 Acura RDX — TECHPRO AC3014117.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT | RC0175 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| DORMAN | 54370 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| MOTORAD | T135 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Standard | View on Amazon |
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.
3 Coolant Reservoir Cap parts are listed for the 2017 Acura RDX, from CALORSTAT, DORMAN and MOTORAD.
Listed part numbers: CALORSTAT RC0175, DORMAN 54370 and MOTORAD T135.
Coolant Water Crossover Mounting Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | C17813 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rubber Coated Metal | View on Amazon |
| VICTOR REINZ | 181016001 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Improved Design | View on Amazon |
This table covers the Coolant Water Crossover Mounting sets.
2 Coolant Water Crossover Mounting Set parts for the 2017 Acura RDX come from 2 brands — MAHLE / CLEVITE and VICTOR REINZ.
Part numbers include MAHLE / CLEVITE C17813 and VICTOR REINZ 181016001.
Cooling System Tester Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES | 31409 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cooling System Pressure | View on Amazon |
| MOTORAD | 3124 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | StandardRadiator Cap Adapter | View on Amazon |
| MOTORAD | 3125 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Standard | View on Amazon |
This table covers the adapters used to pressure-test this cooling system.
3 Cooling System Tester Adapter parts for the 2017 Acura RDX come from 2 brands — MOTORAD and GATES.
This group includes GATES 31409, MOTORAD 3124 and MOTORAD 3125.
Radiator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CSF Popular | 3517 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 1 RowPlastic Tank / Aluminum Core | View on Amazon |
| KOYORAD Popular | A2989 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| DENSO | 2219558 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| SPECTRA PREMIUM | CU2989 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| TYC | 13384 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | PRIMARY | View on Amazon |
| UAC | RA13384C | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Downflow | View on Amazon |
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.
6 Radiator parts for the 2017 Acura RDX come from 6 brands — CSF, KOYORAD, DENSO and 3 other brands. The "Popular" part is CSF 3517.
Listed part numbers: CSF 3517, KOYORAD A2989 and DENSO 2219558, plus the other parts above.
Radiator Cap
Locking Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | ST37 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Safety LeverIndicator Markings Color: Silver | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular | 31412 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Type | View on Amazon |
| CALORSTAT | RC0040 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes 2 sealsMetallic | View on Amazon |
| MOTORAD | T37 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | StandardIncludes Hose | View on Amazon |
| SKP | SK10242 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 16 psi Pressure Rating | View on Amazon |
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.
5 Radiator Cap parts for the 2017 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.
Radiator Drain Petcock
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 490216 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | PlasticScrew-In Type | View on Amazon |
This table covers the petcocks used to drain the radiator.
One part is listed for the 2017 Acura RDX — DORMAN 490216.
Radiator Fan Assembly
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 2811342 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LeftRadiator Side | View on Amazon |
| TECHPRO | AC3115128 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TYC | 601190 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Left | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
3 Radiator Fan Assembly parts are listed for the 2017 Acura RDX, from GPD, TECHPRO and TYC.
Economy: 2 parts, from GPD and TECHPRO. A representative part number is GPD 2811342.
The Standard Replacement section: 1 option from TYC. TYC 601190 is listed in this group.
Listed part numbers: GPD 2811342, TECHPRO AC3115128 and TYC 601190.
Buying Cooling System Parts for a 2017 Acura RDX
On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.
- Confirm you have the 3.5L V6 engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Coolant / Antifreeze and Radiator .
Frequently Asked Questions
How many cooling system parts fit the 2017 Acura RDX?
Our catalog currently lists 47 cooling system parts for the 2017 Acura RDX across 11 subcategories and 25 brands, covering the 3.5L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2017 Acura RDX?
Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2017 Acura RDX was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2017 Acura RDX?
Every part on this page is matched to the 3.5L V6 engine. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2017 Acura RDX
Cooling System Parts for Other Acura RDX Years
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