37 Cooling system parts are listed for the 2026 Ford Expedition, in 17 part types, covering the 3.5L V6 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2026 Ford Expedition, 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 (6 parts), Radiator (6 parts) and Radiator Fan Assembly (4 parts). The other 14 part types cover the remaining 21 parts.
Every part on this page is matched to the 3.5L V6 Turbocharged — the only engine offered in the 2026 Ford Expedition.
The most listed brands for 2026 Ford Expedition cooling system parts are MOTORCRAFT (21 parts), PRESTONE (5 parts) and SPECTRA PREMIUM (2 parts), plus 9 more brands. Quality grades include Standard Replacement, Economy and Premium.
4 parts on this 2026 Ford Expedition page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including PRESTONE AF3100 (Coolant / Antifreeze) and CSF 3847 (Radiator). Click any part number to see every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AF3055 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF3100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| VALVOLINE | 719009 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AFC12100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | All Vehicles10yr/300k mi | View on Amazon |
| PRESTONE | AFMAX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Universal1 Gallon | 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.
6 Coolant / Antifreeze parts for the 2026 Ford Expedition come from 2 brands — PRESTONE and VALVOLINE. 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 VALVOLINE — the catalog's value-priced group. PRESTONE AF3100 is listed in this group.
In the Heavy Duty grade, PRESTONE supplies 1 part: rated for severe service. A representative part number is PRESTONE AFC12100.
In the Premium grade, PRESTONE supplies 2 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.
Listed part numbers: PRESTONE AF3100, PRESTONE AF3055 and VALVOLINE 719009, plus the other parts above.
Coolant Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | KM7963 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Hose - Supply Tank To RadiatorHigh Temperature Circuit | View on Amazon |
| MOTORCRAFT | KM8093 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Overflow | View on Amazon |
This table covers the hard pipes and extra hoses in the coolant circuit.
2 Coolant Hose / Pipe parts for the 2026 Ford Expedition come from MOTORCRAFT.
Listed part numbers: MOTORCRAFT KM7963 and MOTORCRAFT KM8093.
Coolant Hose Connector / Flange
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | RH247 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Water Inlet | View on Amazon |
This table covers the Coolant Hose Connector flanges.
This group shows a single part: MOTORCRAFT RH247.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | T57 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Standard | 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.
One part is listed for the 2026 Ford Expedition — MOTORAD T57.
Coolant Reservoir Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | RTS1073 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LowerRadiator/Coolant Overflow Container | View on Amazon |
| MOTORCRAFT | RTS1087 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | UpperConnects To Radiator/Coolant Overflow Container | View on Amazon |
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.
2 Coolant Reservoir Seal parts for the 2026 Ford Expedition come from MOTORCRAFT.
Listed part numbers: MOTORCRAFT RTS1073 and MOTORCRAFT RTS1087.
Hose Clamp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | YF3280 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Spring Type | View on Amazon |
| MOTORCRAFT | YF37374 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | CLAMP | View on Amazon |
This table covers the Hose clamps.
2 Hose Clamp parts for the 2026 Ford Expedition come from MOTORCRAFT.
This group includes MOTORCRAFT YF3280 and MOTORCRAFT YF37374.
Intercooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | INTCO13 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| SPECTRA PREMIUM | 44011535 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the intercoolers that cool turbo or supercharger charge air.
2 Intercooler parts for the 2026 Ford Expedition come from 2 brands — MOTORCRAFT and SPECTRA PREMIUM.
Listed part numbers: MOTORCRAFT INTCO13 and SPECTRA PREMIUM 44011535.
Radiator
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 13930C | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Towing Packagewith Standard Duty Cooling | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CSF Popular | 3847 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with quick-connect outlet pipe. with Pin Mount On Both Tanks. | View on Amazon |
| SPECTRA PREMIUM Popular | CU13914 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Heavy Duty Cooling | View on Amazon |
| MOTORCRAFT | RAD333 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Engine Radiator | View on Amazon |
| MOTORCRAFT | RAD250 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Standard Duty Engine Radiator | View on Amazon |
| MOTORCRAFT | RAD251 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Heavy Duty Trailer Towingwith Trailer Tow Max Duty | 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.
6 Radiator parts for the 2026 Ford Expedition come from 4 brands — MOTORCRAFT, GPD, CSF and 1 other brand. The "Popular" part is CSF 3847.
The Economy section: 1 option from GPD. GPD 13930C is listed in this group.
In the Standard Replacement grade, MOTORCRAFT, CSF and SPECTRA PREMIUM supply 5 parts: built to original-equipment specification. A representative part number is CSF 3847.
This group includes CSF 3847, GPD 13930C and SPECTRA PREMIUM CU13914 and the remaining parts above.
Radiator Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | RS531 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connects To Radiator/Coolant Overflow ContainerMaximum Pressure Rating of 21lbs | View on Amazon |
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.
This group shows a single part: MOTORCRAFT RS531.
Radiator Fan Assembly
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 621804 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Heavy Duty Radiator | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | RF448 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| TYC | 625190 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Active or King Ranch or Max Active or Max King Ranch or Max Platinum or Max SSV or Platinum or SSV Model or Tremor | View on Amazon |
| VDO / CONTINENTAL | FA74041 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
4 Radiator Fan Assembly parts are listed for the 2026 Ford Expedition, from DORMAN, MOTORCRAFT, TYC and 1 other brand.
Economy: 1 part, from DORMAN. A representative part number is DORMAN 621804.
The Standard Replacement section: 3 options from MOTORCRAFT, TYC and VDO / CONTINENTAL. MOTORCRAFT RF448 is listed in this group.
This group includes DORMAN 621804, MOTORCRAFT RF448 and TYC 625190 and the remaining parts above.
Radiator Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | KM7378 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Water Pump Outlet | View on Amazon |
| MOTORCRAFT | KM7250 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | UpperHose and Clamp Assembly | 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.
MOTORCRAFT supplies both parts for the 2026 Ford Expedition.
This group includes MOTORCRAFT KM7378 and MOTORCRAFT KM7250.
Temperature Sender / Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | DY1806 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Exhaust gas recirculation | 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.
This group shows a single part: MOTORCRAFT DY1806.
Thermostat
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | RT1250 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 190 Degree Thermostat | 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.
One part is listed for the 2026 Ford Expedition — MOTORCRAFT RT1250.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | GS1 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Water Outlet Seal | View on Amazon |
| MOTORCRAFT | RG640 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with FlangeWater Outlet 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.
2 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2026 Ford Expedition come from MOTORCRAFT.
Listed part numbers: MOTORCRAFT GS1 and MOTORCRAFT RG640.
Thermostat Housing / Water Outlet
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | RH304 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Thermostat Housing | View on Amazon |
This table covers the housings and outlets the thermostat sits in.
One part is listed for the 2026 Ford Expedition — MOTORCRAFT RH304.
Water Pump
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORCRAFT | PW649 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Reserve series | View on Amazon |
| US MOTOR WORKS | US8265 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Active or King Ranch or Max Active or Max King Ranch or Max Platinum or Max SSV or Platinum or SSV Model or Tremor | 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.
2 Water Pump parts are listed for the 2026 Ford Expedition, from MOTORCRAFT and US MOTOR WORKS.
Part numbers include MOTORCRAFT PW649 and US MOTOR WORKS US8265.
Water Pump Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | 36237 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | To BlockO-Ring(Outlet Flange)(To Block) | 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.
This group shows a single part: FEL-PRO 36237.
Buying Cooling System Parts for a 2026 Ford Expedition
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.
- Confirm you have the 3.5L V6 Turbocharged engine — every part on this page is matched to it.
- 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 2026 Ford Expedition?
Our catalog currently lists 37 cooling system parts for the 2026 Ford Expedition across 17 subcategories and 12 brands, covering the 3.5L V6 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2026 Ford Expedition?
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 2026 Ford Expedition 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 2026 Ford Expedition?
Every part on this page is matched to the 3.5L V6 Turbocharged engine. 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 2026 Ford Expedition
Cooling System Parts for Other Ford Expedition Years
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