The 2020 Mazda CX-9 has 26 cooling system parts with verified fitment on this page — 4 part types and 14 brands, covering the 2.5L L4 Turbocharged engine. Each part includes a manufacturer part number and application notes.
The cooling system system on the 2020 Mazda CX-9 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 (18 parts), Intercooler (4 parts) and Cooling System Tester Adapter (3 parts). The other 1 part type covers the remaining 1 part.
Every part on this page is matched to the 2.5L L4 Turbocharged — the only engine offered in the 2020 Mazda CX-9.
The most listed brands for 2020 Mazda CX-9 cooling system parts are PRESTONE (6 parts), PEAK (4 parts) and VALVOLINE (3 parts), plus 11 more brands. Quality grades include Standard Replacement, Premium and Economy.
4 parts on this 2020 Mazda CX-9 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FVP MV5050GAL (Coolant / Antifreeze) and PRESTONE AF3100 (Coolant / Antifreeze). 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 | AF6610 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | MAX Asian Green1 Gallon | 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 | ACG004 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | GreenPOAT | 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 | PAG1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OET Asian Extended Life Green1 Gallon | View on Amazon |
| PENTOSIN | 8115207 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pentofrost A31 Gallon | View on Amazon |
| VALVOLINE | 888418 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Asian Vehicle Green1 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.
18 Coolant / Antifreeze parts for the 2020 Mazda CX-9 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, BECK/ARNLEY, AISIN and 2 other brands supply 7 parts: built to original-equipment specification. A representative part number is VALVOLINE 861398.
Coolant Hose / Pipe Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | C33644 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Engine Coolant Outlet O-RingMolded Rubber | 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.
One part is listed for the 2020 Mazda CX-9 — MAHLE / CLEVITE C33644.
Cooling System Tester Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES | 31428 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | May Require Spacer Number 31416 | View on Amazon |
| MOTORAD | 3121 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | StandardRadiator Cap Adapter | View on Amazon |
| MOTORAD | 3122 | 🇺🇸 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 2020 Mazda CX-9 come from 2 brands — MOTORAD and GATES.
Listed part numbers: GATES 31428, MOTORAD 3121 and MOTORAD 3122.
Intercooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 2711337 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| NISSENS | 961545 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Grand Touring or Signature or Sport or Touring | View on Amazon |
| TECHPRO | MA3012100 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TYC | 18083 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Grand Touring or Signature or Sport or Touring | View on Amazon |
This table covers the intercoolers that cool turbo or supercharger charge air.
4 Intercooler parts for the 2020 Mazda CX-9 come from 4 brands — GPD, NISSENS, TECHPRO and 1 other brand.
Part numbers include GPD 2711337, NISSENS 961545 and TECHPRO MA3012100, among others listed above.
Buying Cooling System Parts for a 2020 Mazda CX-9
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 2.5L L4 Turbocharged 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 Intercooler .
Frequently Asked Questions
How many cooling system parts fit the 2020 Mazda CX-9?
Our catalog currently lists 26 cooling system parts for the 2020 Mazda CX-9 across 4 subcategories and 14 brands, covering the 2.5L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2020 Mazda CX-9?
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 2020 Mazda CX-9 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 2020 Mazda CX-9?
Every part on this page is matched to the 2.5L L4 Turbocharged 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 2020 Mazda CX-9
Cooling System Parts for Other Mazda CX-9 Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.