2026 Ford Ranger 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

5 Coolant / Antifreeze parts for the 2026 Ford Ranger come from 2 brands — PRESTONE and VALVOLINE.

The Economy section lists 1 option from VALVOLINE — the catalog's value-priced group. VALVOLINE 719009 is listed in this group.

In the Heavy Duty grade, PRESTONE and VALVOLINE supply 2 parts: rated for severe service. A representative part number is PRESTONE AFC12100.

2 further parts sit outside the graded sections, with the same engine-level match.

Part numbers include VALVOLINE 719009, PRESTONE AFC12100 and VALVOLINE 846439, among others listed above.

This table covers the hard pipes and extra hoses in the coolant circuit. Read more

This group shows a single part: MOTORCRAFT KM7985.

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

One part is listed for the 2026 Ford Ranger — MOTORCRAFT RG630.

This table covers the Coolant Hose Connector flanges. Read more

2 Coolant Hose Connector / Flange parts for the 2026 Ford Ranger come from MOTORCRAFT.

Listed part numbers: MOTORCRAFT RH270 and MOTORCRAFT RH307.

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

One part is listed for the 2026 Ford Ranger — MOTORAD T57.

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

2 Intercooler parts for the 2026 Ford Ranger come from MOTORCRAFT.

This group includes MOTORCRAFT INTCO1 and MOTORCRAFT INTCO2.

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

2 Radiator parts for the 2026 Ford Ranger come from 2 brands — CSF and MOTORCRAFT.

Part numbers include CSF 3946 and MOTORCRAFT RAD260.

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

This group shows a single part: MOTORCRAFT RS531.

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

3 Radiator Fan Assembly parts are listed for the 2026 Ford Ranger, from MOTORCRAFT and TYC.

Part numbers include MOTORCRAFT RF871, MOTORCRAFT RF456 and TYC 625130.

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

MOTORCRAFT supplies the 8 Radiator Hose parts for the 2026 Ford Ranger. MOTORCRAFT KM7159 carries the "Popular" badge.

Listed part numbers: MOTORCRAFT KM7159, MOTORCRAFT KM7900 and MOTORCRAFT KM7989, plus the other 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

4 Temperature Sender / Sensor parts for the 2026 Ford Ranger come from 2 brands — MOTORCRAFT and STANDARD MOTOR PRODUCTS.

This group includes MOTORCRAFT DY1704, MOTORCRAFT DY1807 and MOTORCRAFT DY1613 and the remaining parts 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

2 Thermostat parts are listed for the 2026 Ford Ranger, from MOTORAD and MOTORCRAFT.

This group includes MOTORAD 655188 and MOTORCRAFT RT1251.

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

4 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2026 Ford Ranger come from 2 brands — MOTORCRAFT and MOTORAD. 1 part fits every engine; the other 3 are engine-specific.

This group includes MOTORAD MG1006, MOTORCRAFT RG571 and MOTORCRAFT RG640 and the remaining parts above.

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

One part is listed for the 2026 Ford Ranger — MOTORCRAFT RH305.

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

MOTORCRAFT supplies both parts for the 2026 Ford Ranger.

Listed part numbers: MOTORCRAFT PW689 and MOTORCRAFT PW661.