2021 Ford E-350 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

14 Coolant / Antifreeze parts for the 2021 Ford E-350 come from 5 brands — PRESTONE, PEAK, VALVOLINE and 2 other brands. 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 3 options from PRESTONE, PEAK and VALVOLINE — the catalog's value-priced group. PRESTONE AF3100 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.

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, MOTORCRAFT and AISIN supply 3 parts: built to original-equipment specification. A representative part number is MOTORCRAFT VC13G.

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

This group shows a single part: MOTORCRAFT KM6936.

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 E-350 — MAHLE / CLEVITE GS34033.

This table covers the seals at the Coolant Hose Connector / Flange. 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 E-350 — ELRING 062220.

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

5 Coolant Reservoir Cap parts are listed for the 2021 Ford E-350, from MOTORCRAFT, CALORSTAT, DORMAN and 2 other brands. MOTORCRAFT RS527 carries the "Popular" badge.

Part numbers include MOTORCRAFT RS527, CALORSTAT RC0159 and DORMAN 54208, among others listed above.

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 2021 Ford E-350 come from 6 brands — GPD, FVP, MOTORCRAFT and 3 other brands. The "Popular" part is GPD 13717.

The Economy section: 2 options from GPD. GPD 13717 is listed in this group.

Standard Replacement: 5 parts, from FVP, MOTORCRAFT, OSC and 2 other brands. A representative part number is FVP RAD13917.

This group includes GPD 13717, GPD 13917C and FVP RAD13917 and the remaining parts above.

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 E-350 — 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 E-350 come from 6 brands — FOUR SEASONS, HAYDEN, FVP and 3 other brands. The "Popular" part is FOUR SEASONS 46153.

Part numbers include FOUR SEASONS 46153, HAYDEN 3250 and FVP 22353, among others listed 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

3 Radiator Hose parts are listed for the 2021 Ford E-350, from MOTORCRAFT and GATES.

This group includes GATES 52475, MOTORCRAFT KM6934 and MOTORCRAFT KM7023.

This table covers the Radiator Mount bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

One part is listed for the 2021 Ford E-350 — DORMAN 927244.

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

2 Temperature Sender / Sensor parts for the 2021 Ford E-350 come from 2 brands — GPD and HOLSTEIN.

Part numbers include GPD 1814526 and HOLSTEIN 2CTS0297.

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 E-350, 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

7 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 Ford E-350 come from 6 brands — MOTORCRAFT, GATES, CALORSTAT and 3 other brands. The "Popular" part is GATES 33671.

This group includes GATES 33671, MOTORCRAFT RG571 and CALORSTAT J119 and the remaining parts 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 E-350, from MOTORAD and MOTORCRAFT.

Listed part numbers: 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 E-350, 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.

This group includes SKP SK1254040 and FVP US8188 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

2 Water Pump Gasket parts for the 2021 Ford E-350 come from 2 brands — ELRING and MAHLE / CLEVITE.

Part numbers include ELRING 062100 and MAHLE / CLEVITE K33826.