This page lists 37 cooling system parts for the 2021 Ford Transit, across 13 part types, covering all 3 engine options (2.0L L4 DIESEL Turbocharged, 3.5L V6 and 999cc L3 Turbocharged). Every part shows its brand, manufacturer part number and fitment notes.
On the 2021 Ford Transit, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. Most of the listed parts are Coolant / Antifreeze (10 parts), Radiator (5 parts) and Water Pump (4 parts). The other 10 part types cover the remaining 18 parts.
The 2021 Ford Transit was sold with 3 engines. 10 parts fit every engine; the other 27 are engine-specific. Each part shows which engine(s) it fits.
16 brands supply cooling system parts for the 2021 Ford Transit, led by GATES (9 parts), PRESTONE (5 parts) and PEAK (3 parts), plus 13 more brands. Quality grades include Economy, Premium and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Ford Transit. 2 parts have it, including PRESTONE AF3100 (Coolant / Antifreeze) and PRESTONE AF2100 (Coolant / Antifreeze). Each part number opens a page with every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Fits: all 2021 Transit engines | AF3055 | 🇲🇽 MX | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular Fits: all 2021 Transit engines | AF3100 | 🇲🇽 MX | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| PEAK Fits: all 2021 Transit engines | BQA1GAL | 🇲🇽 MX | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| VALVOLINE Fits: all 2021 Transit engines | 719009 | 🇲🇽 MX | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Fits: all 2021 Transit engines | AFC12100 | 🇲🇽 MX | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular Fits: all 2021 Transit engines | AF2100 | 🇲🇽 MX | All Vehicles10yr/300k mi | View on Amazon |
| PEAK Fits: all 2021 Transit engines | PKP1GAL | 🇲🇽 MX | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK Fits: all 2021 Transit engines | PXA1GAL | 🇲🇽 MX | Global Lifetime1 Gallon | View on Amazon |
| PRESTONE Fits: all 2021 Transit engines | AFMAX | 🇲🇽 MX | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN Fits: all 2021 Transit engines | ACD006 | 🇲🇽 MX | YellowHOAT | View on Amazon |
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.
10 Coolant / Antifreeze parts are listed for the 2021 Ford Transit, from PRESTONE, PEAK, VALVOLINE and 1 other brand. PRESTONE AF3100 carries the "Popular" badge. All of them fit every engine offered in the 2021 Transit.
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 1 option from PRESTONE — rated for severe service. PRESTONE AFC12100 is listed in this group.
The Premium section lists 4 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 1 option from AISIN — built to original-equipment specification. AISIN ACD006 is listed in this group.
Coolant Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: 3.5L V6 | 12569 | 🇲🇽 MX | Molded | View on Amazon |
This table covers the hard pipes and extra hoses in the coolant circuit.
One part is listed for the 2021 Ford Transit — GATES 12569.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: 3.5L V6 | 31549 | 🇲🇽 MX | OE TypeThreaded Coolant Bottle Cap (Closed System) - (SAE Range 19-23 psi) | View on Amazon |
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.
This group shows a single part: GATES 31549.
Intercooler Air Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: 3.5L V6 | 29038 | 🇲🇽 MX | Turbocharger Hose MoldedHeavy-Duty | View on Amazon |
| GATES Fits: 3.5L V6 | 26659 | 🇲🇽 MX | Turbocharger Hose MoldedStandard | View on Amazon |
| GATES Fits: 3.5L V6 | 26660 | 🇲🇽 MX | Turbocharger Hose MoldedStandard | View on Amazon |
This table covers the Intercooler Air Hose pipes.
GATES supplies the 3 Intercooler Air Hose / Pipe parts for the 2021 Ford Transit.
Part numbers include GATES 29038, GATES 26659 and GATES 26660.
Radiator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CSF Fits: 3.5L V6 | 4013 | 🇲🇽 MX | Upgraded Core. 17% Thicker 30mm vs OEM 25mm | View on Amazon |
| KOYORAD Fits: 3.5L V6 | A13880 | 🇲🇽 MX | 150 or 250 or 350 or 350HD | View on Amazon |
| NISSENS Fits: 2.0L L4 DIESEL Turbocharged | 66861 | 🇲🇽 MX | Brazed cooling fins | View on Amazon |
| NISSENS Fits: 999cc L3 Turbocharged | 606662 | 🇲🇽 MX | Brazed cooling fins | View on Amazon |
| NISSENS Fits: 999cc L3 Turbocharged | 66858 | 🇲🇽 MX | Brazed cooling fins | View on Amazon |
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.
5 Radiator parts are listed for the 2021 Ford Transit, from NISSENS, CSF and KOYORAD.
This group includes CSF 4013, KOYORAD A13880 and NISSENS 66861 and the remaining parts above.
Radiator Fan Assembly
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.5L V6 | 620167 | 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AGILITY Fits: 3.5L V6 | 6010386 | 🇲🇽 MX | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
2 Radiator Fan Assembly parts for the 2021 Ford Transit come from 2 brands — DORMAN and AGILITY.
The Economy section: 1 option from DORMAN. DORMAN 620167 is listed in this group.
Standard Replacement: 1 part, from AGILITY. A representative part number is AGILITY 6010386.
This group includes DORMAN 620167 and AGILITY 6010386.
Radiator Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: 3.5L V6 | 52279 | 🇲🇽 MX | Molded | View on Amazon |
| GATES Fits: 3.5L V6 | 52280 | 🇲🇽 MX | Molded | View on Amazon |
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.
2 Radiator Hose parts for the 2021 Ford Transit come from GATES.
This group includes GATES 52279 and GATES 52280.
Temperature Sender / Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MARELLI Fits: 999cc L3 Turbocharged | SPA179 | 🇲🇽 MX | View on Amazon |
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.
One part is listed for the 2021 Ford Transit — MARELLI SPA179.
Thermostat
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Fits: 3.5L V6 | 34238 | 🇲🇽 MX | OE TypeOE Type | View on Amazon |
| MOTORAD Fits: 3.5L V6 | 655188 | 🇲🇽 MX | Standard | View on Amazon |
| MOTORAD Fits: 3.5L V6 | TA6013 | 🇲🇽 MX | Includes Upper & Lower Housing, Thermostat and Seal | View on Amazon |
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.
3 Thermostat parts for the 2021 Ford Transit come from 2 brands — MOTORAD and GATES.
Part numbers include GATES 34238, MOTORAD 655188 and MOTORAD TA6013.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 999cc L3 Turbocharged | 027450 | 🇲🇽 MX | Thermostat Seal | View on Amazon |
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.
One part is listed for the 2021 Ford Transit — ELRING 027450.
Thermostat Housing / Water Outlet
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.5L V6 | 9021121 | 🇲🇽 MX | Thermostat Housing | View on Amazon |
| DORMAN Fits: 3.5L V6 | 9021089 | 🇲🇽 MX | HousingThermostat Housing | View on Amazon |
This table covers the housings and outlets the thermostat sits in.
2 Thermostat Housing / Water Outlet parts for the 2021 Ford Transit come from DORMAN.
Part numbers include DORMAN 9021121 and DORMAN 9021089.
Water Pump
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Fits: 2.0L L4 DIESEL Turbocharged | US4126 | 🇲🇽 MX | View on Amazon | |
| GATES Fits: 3.5L V6 | 43188 | 🇲🇽 MX | View on Amazon | |
| GRAF Fits: 999cc L3 Turbocharged | AWP048 | 🇲🇽 MX | Auxiliary Pump | View on Amazon |
| US MOTOR WORKS Fits: 2.0L L4 DIESEL Turbocharged | US4126 | 🇲🇽 MX | View on Amazon |
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.
4 Water Pump parts for the 2021 Ford Transit come from 4 brands — FVP, GATES, GRAF and 1 other brand.
Part numbers include FVP US4126, GATES 43188 and GRAF AWP048, among others listed above.
Water Pump Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 2.0L L4 DIESEL Turbocharged | 806840 | 🇲🇽 MX | Inner Diameter [MM]: 88,5Material: Epdm ethylene propylene diene Monomer (M-class) rubber | View on Amazon |
| ELRING Fits: 999cc L3 Turbocharged | 650190 | 🇲🇽 MX | View on Amazon |
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.
ELRING supplies both parts for the 2021 Ford Transit.
Listed part numbers: ELRING 806840 and ELRING 650190.
Buying Cooling System Parts for a 2021 Ford Transit
On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.
- Match the engine first. Some cooling system parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Coolant / Antifreeze and Radiator .
Frequently Asked Questions
How many cooling system parts fit the 2021 Ford Transit?
Our catalog currently lists 37 cooling system parts for the 2021 Ford Transit across 13 subcategories and 16 brands, covering all 3 engine options (2.0L L4 DIESEL Turbocharged, 3.5L V6 and 999cc L3 Turbocharged). Each part is matched to the engine(s) it fits.
Do cooling system parts differ between 2021 Ford Transit engines?
Some do. 10 parts fit every engine; the other 27 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of cooling system problems on a 2021 Ford Transit?
Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2021 Ford Transit was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2021 Ford Transit?
First match the engine — each row shows which engine(s) the part fits. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Ford Transit
Cooling System Parts for Other Ford Transit Years
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