2026 Ford F-150 Cooling System Parts

This table covers the Auxiliary Water Pump hoses. 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

2 Auxiliary Water Pump Hose parts for the 2026 Ford F-150 come from MOTORCRAFT.

This group includes MOTORCRAFT KM7230 and MOTORCRAFT KM6981.

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

3 Coolant / Antifreeze parts for the 2026 Ford F-150 come from VALVOLINE. 1 part fits every engine; the other 2 are engine-specific.

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, VALVOLINE supplies 1 part: rated for severe service. A representative part number is VALVOLINE 846439.

In the Standard Replacement grade, VALVOLINE supplies 1 part: built to original-equipment specification. A representative part number is VALVOLINE 898406.

This group includes VALVOLINE 719009, VALVOLINE 846439 and VALVOLINE 898406.

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

7 Coolant Hose / Pipe parts for the 2026 Ford F-150 come from MOTORCRAFT. 2 parts fit every engine; the other 5 are engine-specific.

Part numbers include MOTORCRAFT KM7963, MOTORCRAFT KM7810 and MOTORCRAFT KM7243, among others listed above.

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 F-150 — MOTORCRAFT RG630.

This table covers the Coolant Hose Connector flanges. Read more

3 Coolant Hose Connector / Flange parts for the 2026 Ford F-150 come from MOTORCRAFT.

Part numbers include MOTORCRAFT RH307, MOTORCRAFT RH247 and MOTORCRAFT RH282.

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 F-150 — MOTORAD T57.

This table covers the seals at the Coolant Reservoir. 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

2 Coolant Reservoir Seal parts for the 2026 Ford F-150 come from MOTORCRAFT. 1 part fits every engine; the other 1 is engine-specific.

Listed part numbers: MOTORCRAFT RTS1073 and MOTORCRAFT RTS1087.

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

This group shows a single part: MOTORCRAFT INTCO30.

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

9 Radiator parts for the 2026 Ford F-150 come from 3 brands — MOTORCRAFT, CSF and SPECTRA PREMIUM. The "Popular" part is CSF 3847.

Part numbers include CSF 3847, CSF 3945 and MOTORCRAFT RAD250, among others listed 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

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

8 Radiator Fan Assembly parts are listed for the 2026 Ford F-150, from MOTORCRAFT, TYC, DORMAN and 1 other brand. MOTORCRAFT RF460 carries the "Popular" badge. 4 parts fit every engine; the other 4 are engine-specific.

Economy: 1 part, from DORMAN. A representative part number is DORMAN 621804.

The Standard Replacement section: 7 options from MOTORCRAFT, TYC and VDO / CONTINENTAL. MOTORCRAFT RF460 is listed in this group.

Listed part numbers: MOTORCRAFT RF460, DORMAN 621804 and MOTORCRAFT RF875, plus the other parts above.

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

16 Radiator Hose parts are listed for the 2026 Ford F-150, from MOTORCRAFT and DAYCO. MOTORCRAFT KM7584 carries the "Popular" badge.

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

5 Temperature Sender / Sensor parts for the 2026 Ford F-150 come from MOTORCRAFT. 1 part fits every engine; the other 4 are engine-specific.

This group includes MOTORCRAFT DY1613, MOTORCRAFT SW8595 and MOTORCRAFT DY1194 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

MOTORCRAFT supplies the 3 Thermostat parts for the 2026 Ford F-150.

Listed part numbers: MOTORCRAFT RT1251, MOTORCRAFT RT1250 and MOTORCRAFT RT1249.

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 2026 Ford F-150 come from MOTORCRAFT. 2 parts fit every engine; the other 1 is engine-specific.

Listed part numbers: MOTORCRAFT GS1, MOTORCRAFT RG654 and MOTORCRAFT RG640.

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

MOTORCRAFT supplies the 6 Thermostat Housing / Water Outlet parts for the 2026 Ford F-150.

This group includes MOTORCRAFT RH305, MOTORCRAFT RH304 and MOTORCRAFT RH228 and the remaining parts above.

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

11 Water Pump parts are listed for the 2026 Ford F-150, from MOTORCRAFT, US MOTOR WORKS, DAYCO and 1 other brand. MOTORCRAFT PW639 carries the "Popular" badge.

Economy: 1 part, from US MOTOR WORKS. A representative part number is US MOTOR WORKS US8116.

The Standard Replacement section: 4 options from MOTORCRAFT, DAYCO and MELLING. MOTORCRAFT PW639 is listed in this group.

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