2020 Mazda CX-5 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 2020 Mazda CX-5 come from 7 brands — PRESTONE, PEAK, VALVOLINE and 4 other brands. The "Popular" part is FVP MV5050GAL. Every part fits both the 2.5L L4 and the 2.5L L4 Turbocharged.

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.

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

3 Coolant Hose / Pipe Seal parts are listed for the 2020 Mazda CX-5, from MAHLE / CLEVITE and AJUSA. 1 part fits every engine; the other 2 are engine-specific.

Listed part numbers: AJUSA 16564000, MAHLE / CLEVITE C33805 and MAHLE / CLEVITE C33644.

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

3 Coolant Reservoir parts are listed for the 2020 Mazda CX-5, from DORMAN, GPD and TECHPRO. 1 part fits every engine; the other 2 are engine-specific.

Part numbers include DORMAN 603963, GPD 2411253 and TECHPRO MA3014125.

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

2 Coolant Reservoir Cap parts are listed for the 2020 Mazda CX-5, from CALORSTAT and MOTORAD. 1 part fits every engine; the other 1 is engine-specific.

Listed part numbers: CALORSTAT RC0204 and MOTORAD T112.

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

This group shows a single part: GATES 31428.

This table covers the intercoolers that cool turbo or supercharger charge air. Read more

2 Intercooler parts for the 2020 Mazda CX-5 come from 2 brands — GPD and TECHPRO.

This group includes GPD 2711337 and TECHPRO MA3012100.

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

7 Radiator parts for the 2020 Mazda CX-5 come from 7 brands — GPD, CSF, KOYORAD and 4 other brands. The "Popular" part is CSF 3766.

The Economy section: 1 option from GPD. GPD 13659C is listed in this group.

Standard Replacement: 6 parts, from CSF, KOYORAD, DENSO and 3 other brands. A representative part number is CSF 3766.

Listed part numbers: CSF 3766, GPD 13659C and KOYORAD A13659, 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 2020 Mazda CX-5 come from 3 brands — CALORSTAT, DORMAN and GATES.

In the Locking Replacement grade, CALORSTAT 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 CALORSTAT RC0212.

Standard Replacement: 3 parts, from CALORSTAT, DORMAN and GATES. A representative part number is CALORSTAT RC0027.

Listed part numbers: CALORSTAT RC0212, CALORSTAT RC0027 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

5 Radiator Fan Assembly parts are listed for the 2020 Mazda CX-5, from GPD, FOUR SEASONS, AGILITY and 2 other brands. FOUR SEASONS 75184 carries the "Popular" badge.

Economy: 1 part, from GPD. A representative part number is GPD 2812261.

The Standard Replacement section: 4 options from FOUR SEASONS, AGILITY, TYC and 1 other brand. FOUR SEASONS 75184 is listed in this group.

Part numbers include FOUR SEASONS 75184, GPD 2812261 and AGILITY 6010502, among others listed above.

This table covers the Radiator Fan motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

This group shows a single part: ACKOJA A32010011.

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

GATES supplies both parts for the 2020 Mazda CX-5.

This group includes GATES 51874 and GATES 52061.

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

8 Temperature Sender / Sensor parts for the 2020 Mazda CX-5 come from 8 brands — GPD, HOLSTEIN, DELPHI and 5 other brands. The "Popular" part is GPD 1712514.

The Economy section: 2 options from GPD and HOLSTEIN. GPD 1712514 is listed in this group.

Standard Replacement: 6 parts, from DELPHI, BECK/ARNLEY, FACET and 3 other brands. A representative part number is DELPHI TS10289.

Part numbers include GPD 1712514, HOLSTEIN 2CTS0413 and DELPHI TS10289, 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

6 Thermostat parts are listed for the 2020 Mazda CX-5, from MOTORAD, SKP, AISIN and 2 other brands. MOTORAD 7204160 carries the "Popular" badge.

Economy: 1 part, from SKP. A representative part number is SKP SKTA9249.

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

The Standard Replacement section: 4 options from MOTORAD, AISIN, BECK/ARNLEY and 1 other brand. MOTORAD TA9249 is listed in this group.

This group includes MOTORAD 7204160, SKP SKTA9249 and MOTORAD TA9249 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

5 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2020 Mazda CX-5 come from 2 brands — MAHLE / CLEVITE and FEL-PRO. The "Popular" part is FEL-PRO 36216.

Part numbers include FEL-PRO 36216, FEL-PRO 36184 and MAHLE / CLEVITE C33803, among others listed above.

This table covers the housings and outlets the thermostat sits in. Read more

2 Thermostat Housing / Water Outlet parts are listed for the 2020 Mazda CX-5, from FOUR SEASONS and MOTORAD.

This group includes FOUR SEASONS 86338 and MOTORAD CH3147.

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

6 Water Pump parts are listed for the 2020 Mazda CX-5, from FVP, BECK/ARNLEY, GATES and 2 other brands. BECK/ARNLEY 1312543 carries the "Popular" badge.

Economy: 2 parts, from BECK/ARNLEY and FVP. A representative part number is BECK/ARNLEY 1312543.

The Standard Replacement section: 4 options from GATES, AISIN, FVP and 1 other brand. GATES 42205BH is listed in this group.

Listed part numbers: BECK/ARNLEY 1312543, FVP US8205 and GATES 42205BH, 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 2020 Mazda CX-5 come from 3 brands — BECK/ARNLEY, FEL-PRO and MAHLE / CLEVITE.

Part numbers include BECK/ARNLEY 0394193, FEL-PRO 36188 and MAHLE / CLEVITE C33643.