2021 Ford Transit 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 are listed for the 2021 Ford Transit 350, from PRESTONE, PEAK, VALVOLINE and 2 other brands. PRESTONE AF3100 carries the "Popular" badge.

The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.

In the Economy grade, PRESTONE, PEAK and VALVOLINE supply 3 parts: the catalog's value-priced group. A representative part number is PRESTONE AF3100.

The Heavy Duty section lists 2 options from PRESTONE and VALVOLINE — rated for severe service. PRESTONE AFC12100 is listed in this group.

The Premium section lists 5 options from PRESTONE and PEAK — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.

The Standard Replacement section lists 3 options from MOTORCRAFT and AISIN — built to original-equipment specification. MOTORCRAFT VC13G is listed in this group.

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

5 Coolant Hose / Pipe parts are listed for the 2021 Ford Transit 350, from MOTORCRAFT and GATES. MOTORCRAFT KM7105 carries the "Popular" badge.

This group includes MOTORCRAFT KM7105, GATES 12569 and MOTORCRAFT KM6848 and the remaining parts 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

4 Coolant Hose / Pipe Seal parts for the 2021 Ford Transit 350 come from 4 brands — FEL-PRO, MAHLE / CLEVITE, MOTORCRAFT and 1 other brand.

Listed part numbers: FEL-PRO 36111, MAHLE / CLEVITE C32197 and MOTORCRAFT RG630, plus the other parts above.

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

2 Coolant Reservoir parts for the 2021 Ford Transit 350 come from TECHPRO.

This group includes TECHPRO FO3014183 and TECHPRO FO3014184.

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 for the 2021 Ford Transit 350 come from 5 brands — MOTORAD, CALORSTAT, GATES and 2 other brands. The "Popular" part is MOTORAD T57.

Part numbers include MOTORAD T57, CALORSTAT RC0150 and GATES 31549, among others listed above.

This table covers the Coolant Water Crossover Mounting sets. Read more

One part is listed for the 2021 Ford Transit 350 — MAHLE / CLEVITE GS33748.

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

One part is listed for the 2021 Ford Transit 350 — MOTORAD 3043.

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

6 Intercooler parts are listed for the 2021 Ford Transit 350, from MOTORCRAFT, STANDARD MOTOR PRODUCTS, TYC and 1 other brand. STANDARD MOTOR PRODUCTS CAC9 carries the "Popular" badge.

This group includes STANDARD MOTOR PRODUCTS CAC9, TYC 18114 and GPD 2711364 and the remaining parts above.

This table covers the Intercooler Air Hose pipes. Read more

GATES supplies the 3 Intercooler Air Hose / Pipe parts for the 2021 Ford Transit 350.

Listed part numbers: GATES 29038, GATES 26659 and GATES 26660.

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

8 Radiator parts are listed for the 2021 Ford Transit 350, from MOTORCRAFT, GPD, CSF and 3 other brands. CSF 4013 carries the "Popular" badge.

Economy: 1 part, from GPD. A representative part number is GPD 13880C.

The Standard Replacement section: 7 options from MOTORCRAFT, CSF, TYC and 2 other brands. CSF 4013 is listed in this group.

Part numbers include CSF 4013, GPD 13880C and TYC 13880, 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

One part is listed for the 2021 Ford Transit 350 — MOTORCRAFT RS531.

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

9 Radiator Fan Assembly parts for the 2021 Ford Transit 350 come from 9 brands — DORMAN, GPD, TECHPRO and 6 other brands. The "Popular" part is DORMAN 620167.

The Economy section: 3 options from DORMAN, GPD and TECHPRO. DORMAN 620167 is listed in this group.

Standard Replacement: 6 parts, from FOUR SEASONS, AGILITY, MOTORCRAFT and 3 other brands. A representative part number is FOUR SEASONS 76394.

This group includes DORMAN 620167, GPD 2811940 and TECHPRO FO3115211 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

6 Radiator Hose parts for the 2021 Ford Transit 350 come from 3 brands — MOTORCRAFT, DAYCO and GATES. The "Popular" part is DAYCO 72926.

This group includes DAYCO 72926, DAYCO 73084 and GATES 52280 and the remaining parts above.

This table covers the Radiator insulators. Read more

This group shows a single part: TECHPRO FO3013100.

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

One part is listed for the 2021 Ford Transit 350 — GPD 1712551.

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

20 Thermostat parts for the 2021 Ford Transit 350 come from 5 brands — MOTORAD, MOTORCRAFT, GATES and 2 other brands. The "Popular" part is GATES 34238.

Heavy Duty: 2 parts, from MOTORAD. A representative part number is MOTORAD 5655188.

The Performance section lists 3 options from MOTORAD — engineered beyond original-equipment specification. MOTORAD 2655188 is listed in this group.

Premium: 1 part, from MOTORAD. A representative part number is MOTORAD 7655188.

Standard Replacement: 14 parts, from MOTORAD, MOTORCRAFT, GATES and 2 other brands. A representative part number is GATES 34238.

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 are listed for the 2021 Ford Transit 350, from MAHLE / CLEVITE, MOTORCRAFT, FEL-PRO and 1 other brand. MAHLE / CLEVITE C32675 carries the "Popular" badge.

Part numbers include MAHLE / CLEVITE C32675, MOTORCRAFT RTS1081 and FEL-PRO 35934, among others listed above.

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

8 Thermostat Housing / Water Outlet parts for the 2021 Ford Transit 350 come from 5 brands — DORMAN, MOTORAD, VEMO and 2 other brands. The "Popular" part is DORMAN 9021083.

The Economy section: 4 options from DORMAN and VEMO. DORMAN 9021083 is listed in this group.

Standard Replacement: 4 parts, from MOTORAD, FOUR SEASONS and MOTORCRAFT. A representative part number is FOUR SEASONS 86016.

Listed part numbers: DORMAN 9021083, DORMAN 9021089 and DORMAN 9021121, plus the other 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

7 Water Pump parts for the 2021 Ford Transit 350 come from 6 brands — MOTORCRAFT, US MOTOR WORKS, WJB / INMOTION PARTS and 3 other brands. The "Popular" part is GMB 1253260.

The Economy section: 2 options from US MOTOR WORKS and WJB / INMOTION PARTS. US MOTOR WORKS US8211 is listed in this group.

Standard Replacement: 5 parts, from MOTORCRAFT, GMB, DAYCO and 1 other brand. A representative part number is GMB 1253260.

Listed part numbers: GMB 1253260, US MOTOR WORKS US8211 and WJB / INMOTION PARTS WU1253260, plus the other 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

5 Water Pump Gasket parts are listed for the 2021 Ford Transit 350, from FEL-PRO, MAHLE / CLEVITE and AJUSA. FEL-PRO 35990 carries the "Popular" badge.

Part numbers include FEL-PRO 35990, AJUSA 01622700 and FEL-PRO 35989, among others listed above.

This table covers the Water Pump Seal O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

2 Water Pump Seal / O-Ring parts for the 2021 Ford Transit 350 come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

Listed part numbers: FEL-PRO 36082 and MAHLE / CLEVITE K32787.