2021 Ford F59 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

13 Coolant / Antifreeze parts for the 2021 Ford F59 come from 3 brands — PRESTONE, PEAK and AISIN. The "Popular" part is PRESTONE AF3100.

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 2 options from PRESTONE and PEAK — the catalog's value-priced group. PRESTONE AF3100 is listed in this group.

In the Heavy Duty grade, PEAK and PRESTONE supply 5 parts: rated for severe service. A representative part number is PEAK FCA1GAL.

In the Premium grade, PRESTONE and PEAK supply 4 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, AISIN supplies 1 part: built to original-equipment specification. A representative part number is AISIN ACD006.

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 2021 Ford F59 — MAHLE / CLEVITE GS34033.

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

3 Coolant Reservoir Cap parts are listed for the 2021 Ford F59, from GATES, MOTORAD and MOTORCRAFT.

Listed part numbers: GATES 31406, MOTORAD T38 and MOTORCRAFT RS527.

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

This group shows a single part: MOTORCRAFT RAD248.

This table covers the Radiator Fan blades. Typical signs include chatter, streaks, or a skip at the top of the stroke. Confirm left and right lengths in the notes — they are often different. Read more

One part is listed for the 2021 Ford F59 — MOTORCRAFT YA274.

This table covers the Radiator Fan clutches. Typical signs include slip at highway speed, chatter on takeoff, or a pedal that stays low. Resurface or replace the flywheel with the clutch — a heat-checked flywheel wastes the new disc. Read more

6 Radiator Fan Clutch parts for the 2021 Ford F59 come from 6 brands — FOUR SEASONS, HAYDEN, FVP and 3 other brands. The "Popular" part is FOUR SEASONS 46153.

This group includes FOUR SEASONS 46153, HAYDEN 3250 and FVP 22353 and the remaining 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

MOTORCRAFT supplies both parts for the 2021 Ford F59.

This group includes MOTORCRAFT KM6780 and MOTORCRAFT KM7297.

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 2021 Ford F59, from MOTORAD and MOTORCRAFT. MOTORCRAFT RT1247 carries the "Popular" badge.

In the Performance grade, MOTORAD supplies 1 part: engineered beyond original-equipment specification. A representative part number is MOTORAD MRD109.

The Standard Replacement section: 4 options from MOTORAD and MOTORCRAFT. MOTORCRAFT RT1247 is listed in this group.

This group includes MOTORCRAFT RT1247, MOTORAD MRD109 and MOTORAD 1121192 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

4 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 Ford F59 come from 4 brands — FEL-PRO, GATES, MAHLE / CLEVITE and 1 other brand.

Part numbers include FEL-PRO 35489, GATES 33671 and MAHLE / CLEVITE C31302, 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 2021 Ford F59, from MOTORAD and MOTORCRAFT.

Part numbers include MOTORAD CH2080 and MOTORCRAFT RH286.

This table covers the gaskets that seal the Water Inlet. 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

This group shows a single part: MAHLE / CLEVITE C33825.

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 2021 Ford F59, from FVP, SKP, US MOTOR WORKS and 3 other brands. SKP SK1254040 carries the "Popular" badge.

Economy: 3 parts, from SKP, FVP and US MOTOR WORKS. A representative part number is SKP SK1254040.

The Standard Replacement section: 4 options from MOTORCRAFT, FVP, GATES and 1 other brand. MOTORCRAFT PW629 is listed in this group.

Part numbers include SKP SK1254040 and FVP US8188, among others listed 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

This group shows a single part: MAHLE / CLEVITE K33826.