2019 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 2019 Mazda CX-5 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.

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

4 Coolant Hose / Pipe Seal parts are listed for the 2019 Mazda CX-5, from MAHLE / CLEVITE, AJUSA and ELRING.

Listed part numbers: AJUSA 16564000, ELRING 964710 and MAHLE / CLEVITE C33805, plus the other parts above.

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

4 Coolant Reservoir parts are listed for the 2019 Mazda CX-5, from TECHPRO, DORMAN and GPD.

This group includes DORMAN 603963, GPD 2411253 and TECHPRO MA3014124 and the remaining parts above.

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 2019 Mazda CX-5, from CALORSTAT and MOTORAD.

Listed part numbers: CALORSTAT RC0204 and MOTORAD T112.

This table covers the Cooling Fan control modules. Read more

One part is listed for the 2019 Mazda CX-5 — WELLS 6H1531.

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

3 Cooling System Tester Adapter parts for the 2019 Mazda CX-5 come from 2 brands — MOTORAD and GATES.

This group includes GATES 31428, MOTORAD 3121 and MOTORAD 3122.

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

4 Intercooler parts for the 2019 Mazda CX-5 come from 4 brands — GPD, NISSENS, TECHPRO and 1 other brand.

This group includes GPD 2711337, NISSENS 961545 and TECHPRO MA3012100 and the remaining parts above.

This table covers the gaskets that seal the Intercooler. 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

One part is listed for the 2019 Mazda CX-5 — MAHLE / CLEVITE GS34075.

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

14 Radiator parts for the 2019 Mazda CX-5 come from 10 brands — TECHPRO, CSF, KOYORAD and 7 other brands. The "Popular" part is CSF 3766.

The Economy section: 3 options from TECHPRO and GPD. GPD 13659C is listed in this group.

Standard Replacement: 11 parts, from CSF, KOYORAD, UAC and 5 other brands. A representative part number is CSF 3766.

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

6 Radiator Cap parts for the 2019 Mazda CX-5 come from 3 brands — CALORSTAT, MOTORAD and GATES. The "Popular" part is MOTORAD T16R.

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: 3 parts, from MOTORAD, CALORSTAT and GATES. A representative part number is MOTORAD T16R.

1 further part sits outside the graded sections, with the same engine-level match.

Listed part numbers: MOTORAD T16R, CALORSTAT RC0212 and MOTORAD ST16R, plus the other parts above.

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

10 Radiator Fan Assembly parts are listed for the 2019 Mazda CX-5, from TECHPRO, UAC, GPD and 5 other brands. FOUR SEASONS 75184 carries the "Popular" badge.

Economy: 2 parts, from GPD and TECHPRO. A representative part number is GPD 2812261.

The Standard Replacement section: 6 options from UAC, FOUR SEASONS, AGILITY and 2 other brands. FOUR SEASONS 75184 is listed in this group.

2 ungrouped parts are not assigned to a grade, with the same engine-level match.

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

3 Radiator Hose parts are listed for the 2019 Mazda CX-5, from GATES and CONTINENTAL.

Part numbers include CONTINENTAL 60425, 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 2019 Mazda CX-5 come from 8 brands — GPD, HOLSTEIN, BECK/ARNLEY 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 BECK/ARNLEY, DELPHI, FACET and 3 other brands. A representative part number is BECK/ARNLEY 1581585.

Part numbers include GPD 1712514, HOLSTEIN 2CTS0413 and BECK/ARNLEY 1581585, 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

14 Thermostat parts are listed for the 2019 Mazda CX-5, from MOTORAD, AISIN, BECK/ARNLEY and 2 other brands. MOTORAD 7204160 carries the "Popular" badge.

The Heavy Duty section: 1 option from MOTORAD. MOTORAD 5319180 is listed in this group.

In the Performance grade, MOTORAD supplies 1 part: engineered beyond original-equipment specification. A representative part number is MOTORAD 2319180.

The Premium section: 2 options from MOTORAD. MOTORAD 7204160 is listed in this group.

The Standard Replacement section: 10 options from MOTORAD, AISIN, BECK/ARNLEY and 2 other brands. AISIN THZ002 is listed in this group.

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 2019 Mazda CX-5 come from 2 brands — MAHLE / CLEVITE and FEL-PRO. The "Popular" part is MAHLE / CLEVITE C33695.

Part numbers include MAHLE / CLEVITE C33695, FEL-PRO 36216 and FEL-PRO 36184, among others listed above.

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

3 Thermostat Housing / Water Outlet parts are listed for the 2019 Mazda CX-5, from MOTORAD and FOUR SEASONS.

This group includes FOUR SEASONS 86338, MOTORAD CH3098 and MOTORAD CH3154.

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

7 Water Pump parts are listed for the 2019 Mazda CX-5, from DAYCO, BECK/ARNLEY, FVP and 3 other brands. DAYCO DP1899B carries the "Popular" badge.

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

The Standard Replacement section: 5 options from DAYCO, GATES, AISIN and 1 other brand. DAYCO DP1899B is listed in this group.

This group includes DAYCO DP1899B, BECK/ARNLEY 1312543 and FVP US8205 and the remaining 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 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.