2019 Mazda MX-5 Miata 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

18 Coolant / Antifreeze parts for the 2019 Mazda MX-5 Miata 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, PEAK, PRESTONE and 1 other brand — the catalog's value-priced group. FVP MV5050GAL is listed in this group.

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 8 parts: built to original-equipment specification. A representative part number is VALVOLINE 675130.

This table covers the Cooling Fan control modules. Read more

4 Cooling Fan Control Module parts are listed for the 2019 Mazda MX-5 Miata, from STANDARD MOTOR PRODUCTS and WELLS.

This group includes STANDARD MOTOR PRODUCTS RY1910, STANDARD MOTOR PRODUCTS RY1923 and WELLS 6H1533 and the remaining parts above.

This table covers the adapters used to pressure-test this cooling system. Read more

2 Cooling System Tester Adapter parts for the 2019 Mazda MX-5 Miata come from MOTORAD.

This group includes MOTORAD 3121 and MOTORAD 3122.

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

6 Radiator parts for the 2019 Mazda MX-5 Miata come from 6 brands — GPD, KOYORAD, TYC and 3 other brands. The "Popular" part is KOYORAD A13573.

The Economy section: 1 option from GPD. GPD 13572C is listed in this group.

Standard Replacement: 5 parts, from KOYORAD, TYC, AGILITY and 2 other brands. A representative part number is KOYORAD A13573.

Listed part numbers: KOYORAD A13573, GPD 13572C and TYC 13572, plus the other parts above.

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

4 Radiator Cap parts for the 2019 Mazda MX-5 Miata come from 3 brands — MOTORAD, CALORSTAT and DORMAN.

In the Locking Replacement grade, CALORSTAT and MOTORAD supply 2 parts: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is CALORSTAT RC0212.

Standard Replacement: 2 parts, from DORMAN and MOTORAD. A representative part number is DORMAN 54237.

Listed part numbers: CALORSTAT RC0212, MOTORAD ST16R and DORMAN 54237, plus the other parts above.

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

4 Radiator Fan Assembly parts are listed for the 2019 Mazda MX-5 Miata, from TECHPRO, GPD and VDO / CONTINENTAL.

Economy: 3 parts, from TECHPRO and GPD. A representative part number is GPD 2812171.

The Standard Replacement section: 1 option from VDO / CONTINENTAL. VDO / CONTINENTAL FA71830 is listed in this group.

This group includes GPD 2812171, TECHPRO MA3115167 and TECHPRO MA3115169 and the remaining 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

6 Temperature Sender / Sensor parts for the 2019 Mazda MX-5 Miata come from 6 brands — GPD, BECK/ARNLEY, FACET and 3 other brands. The "Popular" part is GPD 1712514.

The Economy section: 1 option from GPD. GPD 1712514 is listed in this group.

Standard Replacement: 5 parts, from BECK/ARNLEY, FACET, STANDARD MOTOR PRODUCTS and 2 other brands. A representative part number is BECK/ARNLEY 1581585.

Part numbers include GPD 1712514, BECK/ARNLEY 1581585 and FACET 73323, among others listed above.

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

5 Thermostat parts are listed for the 2019 Mazda MX-5 Miata, from MOTORAD, AISIN, BECK/ARNLEY and 1 other brand. MOTORAD 7204160 carries the "Popular" badge.

The Premium section: 1 option from MOTORAD. MOTORAD 7204160 is listed in this group.

The Standard Replacement section: 4 options from AISIN, BECK/ARNLEY, CALORSTAT and 1 other brand. AISIN THZ008 is listed in this group.

This group includes MOTORAD 7204160, AISIN THZ008 and BECK/ARNLEY 1430960 and the remaining parts above.

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

3 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2019 Mazda MX-5 Miata come from 2 brands — MAHLE / CLEVITE and FEL-PRO.

Part numbers include FEL-PRO 36215, MAHLE / CLEVITE C33695 and MAHLE / CLEVITE C33693.

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

8 Water Pump parts are listed for the 2019 Mazda MX-5 Miata, from DAYCO, BECK/ARNLEY, CARTER and 4 other brands. ACDELCO 2521035 carries the "Popular" badge.

Economy: 3 parts, from BECK/ARNLEY, CARTER and SKP. A representative part number is BECK/ARNLEY 1312522.

The Standard Replacement section: 5 options from DAYCO, ACDELCO, GMB and 1 other brand. ACDELCO 2521035 is listed in this group.

Listed part numbers: ACDELCO 2521035, BECK/ARNLEY 1312522 and CARTER W2473M, plus the other parts above.

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

3 Water Pump Gasket parts for the 2019 Mazda MX-5 Miata come from 2 brands — MAHLE / CLEVITE and FEL-PRO.

Listed part numbers: FEL-PRO 36214, MAHLE / CLEVITE K33690 and MAHLE / CLEVITE K33691.