The 2023 Mazda MX-5 Miata has 41 cooling system parts with verified fitment on this page — 8 part types and 22 brands, covering the 2.0L L4 engine. Each part includes a manufacturer part number and application notes.
On the 2023 Mazda MX-5 Miata, 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. Most of the listed parts are Coolant / Antifreeze (16 parts), Radiator (8 parts) and Radiator Cap (4 parts). The other 5 part types cover the remaining 13 parts.
The 2023 Mazda MX-5 Miata came with a single engine, the 2.0L L4, and every part is verified against it.
22 brands supply cooling system parts for the 2023 Mazda MX-5 Miata, led by PRESTONE (5 parts), PEAK (4 parts) and TECHPRO (4 parts), plus 19 more brands. Quality grades include Standard Replacement, Economy and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2023 Mazda MX-5 Miata. 6 parts have it, including PRESTONE AF3100 (Coolant / Antifreeze) and SPECTRA PREMIUM CU13572 (Radiator). Each part number opens a page with 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 |
|---|---|---|---|---|
| PRESTONE Popular | AF3100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| VALVOLINE Popular | 719009 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Vehicle Yellow1 Gallon | View on Amazon |
| PEAK | BQA1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blue Mountain Long LifeAll Vehicle | 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 | 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 | Asian Vehicle Blue1 Gallon | View on Amazon |
| AISIN | ACG004 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | GreenPOAT | View on Amazon |
| BECK/ARNLEY | 2521501 | 🇺🇸 US 🇨🇦 CA | Premium Extra Life BlueAsian | View on Amazon |
| BECK/ARNLEY | 2521001 | 🇺🇸 US 🇨🇦 CA | 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 | 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.
16 Coolant / Antifreeze parts are listed for the 2023 Mazda MX-5 Miata, from PRESTONE, PEAK, VALVOLINE and 3 other brands. PRESTONE AF3100 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, PRESTONE, VALVOLINE and PEAK supply 3 parts: the catalog's value-priced group. A representative part number is PRESTONE AF3100.
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 7 options from VALVOLINE, BECK/ARNLEY, AISIN and 2 other brands — built to original-equipment specification. VALVOLINE 861398 is listed in this group.
Cooling System Tester Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | 3121 | 🇺🇸 US 🇨🇦 CA | StandardRadiator Cap Adapter | View on Amazon |
This table covers the adapters used to pressure-test this cooling system.
One part is listed for the 2023 Mazda MX-5 Miata — MOTORAD 3121.
Radiator
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 13572C | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TECHPRO | MA3010242 | 🇺🇸 US 🇨🇦 CA | Manual Trans | View on Amazon |
| TECHPRO | MA3010243 | 🇺🇸 US 🇨🇦 CA | Automatic trans. | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SPECTRA PREMIUM Popular | CU13572 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| TYC Popular | 13572 | 🇺🇸 US 🇨🇦 CA | Automatic trans. | View on Amazon |
| NISSENS | 606528 | 🇺🇸 US 🇲🇽 MX | Brazed cooling fins | View on Amazon |
| OSC | 13572 | 🇺🇸 US 🇨🇦 CA | Automatic trans. | View on Amazon |
| UAC | RA13572C | 🇺🇸 US 🇨🇦 CA | 6 speed Automatic trans. | 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.
8 Radiator parts are listed for the 2023 Mazda MX-5 Miata, from TECHPRO, GPD, SPECTRA PREMIUM and 4 other brands. SPECTRA PREMIUM CU13572 carries the "Popular" badge.
Economy: 3 parts, from TECHPRO and GPD. A representative part number is GPD 13572C.
The Standard Replacement section: 5 options from SPECTRA PREMIUM, TYC, NISSENS and 2 other brands. SPECTRA PREMIUM CU13572 is listed in this group.
Part numbers include SPECTRA PREMIUM CU13572, GPD 13572C and TECHPRO MA3010242, among others listed above.
Radiator Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT | RC0027 | 🇺🇸 US 🇨🇦 CA | Includes 2 sealsMetallic | View on Amazon |
| DORMAN | 54237 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| GATES | 31336 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OE Type | View on Amazon |
| MOTORAD | T16R | 🇺🇸 US 🇨🇦 CA | StandardIndicator Markings Color: Silver | 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.
4 Radiator Cap parts are listed for the 2023 Mazda MX-5 Miata, from CALORSTAT, DORMAN, GATES and 1 other brand.
Part numbers include CALORSTAT RC0027, DORMAN 54237 and GATES 31336, among others listed above.
Radiator Fan Assembly
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO | MA3115167 | 🇺🇸 US 🇨🇦 CA | Manual Transmission | View on Amazon |
| TECHPRO | MA3115169 | 🇺🇸 US 🇨🇦 CA | A/T | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VDO / CONTINENTAL | FA71830 | 🇺🇸 US 🇨🇦 CA | Manual trans. | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
3 Radiator Fan Assembly parts for the 2023 Mazda MX-5 Miata come from 2 brands — TECHPRO and VDO / CONTINENTAL.
The Economy section: 2 options from TECHPRO. TECHPRO MA3115167 is listed in this group.
Standard Replacement: 1 part, from VDO / CONTINENTAL. A representative part number is VDO / CONTINENTAL FA71830.
This group includes TECHPRO MA3115167, TECHPRO MA3115169 and VDO / CONTINENTAL FA71830.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 1712514 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NISSENS | 207098 | 🇺🇸 US | View on Amazon | |
| STANDARD MOTOR PRODUCTS | TX308 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WALKER PRODUCTS | 2111060 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
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.
4 Temperature Sender / Sensor parts are listed for the 2023 Mazda MX-5 Miata, from GPD, NISSENS, STANDARD MOTOR PRODUCTS and 1 other brand.
Economy: 1 part, from GPD. A representative part number is GPD 1712514.
The Standard Replacement section: 3 options from NISSENS, STANDARD MOTOR PRODUCTS and WALKER PRODUCTS. NISSENS 207098 is listed in this group.
Listed part numbers: GPD 1712514, NISSENS 207098 and STANDARD MOTOR PRODUCTS TX308, plus the other parts above.
Thermostat
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN | THZ008 | 🇲🇽 MX | Includes Thermostat Seal | View on Amazon |
| CALORSTAT | TH741888J | 🇺🇸 US 🇨🇦 CA | 190.0 F Degrees | View on Amazon |
| MOTORAD | 1073190 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
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.
3 Thermostat parts for the 2023 Mazda MX-5 Miata come from 3 brands — AISIN, CALORSTAT and MOTORAD.
This group includes AISIN THZ008, CALORSTAT TH741888J and MOTORAD 1073190.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | 36215 | 🇺🇸 US 🇨🇦 CA | Water Outlet Seal | View on Amazon |
| MAHLE / CLEVITE | C33693 | 🇺🇸 US 🇨🇦 CA | Molded Rubber | View on Amazon |
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.
2 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2023 Mazda MX-5 Miata, from FEL-PRO and MAHLE / CLEVITE.
This group includes FEL-PRO 36215 and MAHLE / CLEVITE C33693.
Buying Cooling System Parts for a 2023 Mazda MX-5 Miata
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 2.0L L4 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 2023 Mazda MX-5 Miata?
Our catalog currently lists 41 cooling system parts for the 2023 Mazda MX-5 Miata across 8 subcategories and 22 brands, covering the 2.0L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2023 Mazda MX-5 Miata?
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 2023 Mazda MX-5 Miata 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 2023 Mazda MX-5 Miata?
Every part on this page is matched to the 2.0L L4 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 2023 Mazda MX-5 Miata
Cooling System Parts for Other Mazda MX-5 Miata Years
Switch vehicle or jump to a subcategory
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.