2025 Ford Bronco Cooling System Parts

This table covers the Auxiliary Water Pump hoses. 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 the 3 Auxiliary Water Pump Hose parts for the 2025 Ford Bronco.

Listed part numbers: MOTORCRAFT KM6859, MOTORCRAFT KM7040 and MOTORCRAFT KM7041.

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

7 Coolant / Antifreeze parts are listed for the 2025 Ford Bronco, from PRESTONE, VALVOLINE and MOTORCRAFT. PRESTONE AF2100 carries the "Popular" badge. All of them fit every engine offered in the 2025 Bronco.

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 and VALVOLINE supply 2 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 2 options from PRESTONE — 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 MOTORCRAFT — built to original-equipment specification. MOTORCRAFT VC13G is listed in this group.

Listed part numbers: PRESTONE AF2100, PRESTONE AF3055 and PRESTONE AF3100, plus the other parts above.

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

MOTORCRAFT supplies the 8 Coolant Hose / Pipe parts for the 2025 Ford Bronco.

Listed part numbers: MOTORCRAFT KM7372, MOTORCRAFT KM7877 and MOTORCRAFT KM7889, plus the other 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

This group shows a single part: MOTORCRAFT RG630.

This table covers the Coolant Hose Connector flanges. Read more

MOTORCRAFT supplies both parts for the 2025 Ford Bronco.

Listed part numbers: MOTORCRAFT RH313 and MOTORCRAFT RH307.

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

This group shows a single part: TECHPRO FO3014182.

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 for the 2025 Ford Bronco come from 3 brands — CALORSTAT, GATES and MOTORAD. 2 parts fit every engine; the other 1 is engine-specific.

Part numbers include CALORSTAT RC0150, GATES 31549 and MOTORAD T57.

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. Read more

One part is listed for the 2025 Ford Bronco — MOTORCRAFT RTS1073.

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

6 Intercooler parts are listed for the 2025 Ford Bronco, from MOTORCRAFT, TYC and TECHPRO.

Part numbers include MOTORCRAFT INTCO29, MOTORCRAFT INTCO1 and MOTORCRAFT INTCO2, among others listed above.

This table covers the Intercooler Air Hose pipes. Read more

One part is listed for the 2025 Ford Bronco — GATES 29034.

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

13 Radiator parts are listed for the 2025 Ford Bronco, from MOTORCRAFT, GPD, TECHPRO and 4 other brands. CSF 3946 carries the "Popular" badge.

Economy: 4 parts, from GPD and TECHPRO. A representative part number is GPD 13936C.

The Standard Replacement section: 6 options from CSF, MOTORCRAFT, TYC and 1 other brand. CSF 3946 is listed in this group.

3 ungrouped parts are not assigned to a grade, with the same engine-level match.

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 2025 Ford Bronco — 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 2025 Ford Bronco come from 4 brands — MOTORCRAFT, TYC, GPD and 1 other brand.

The Economy section: 2 options from GPD and TECHPRO. GPD 2812472 is listed in this group.

Standard Replacement: 4 parts, from MOTORCRAFT and TYC. A representative part number is MOTORCRAFT RF876.

3 further parts sit outside the graded sections, with the same engine-level match.

Part numbers include GPD 2812472, TECHPRO FO3115250 and MOTORCRAFT RF876, 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

17 Radiator Hose parts for the 2025 Ford Bronco come from MOTORCRAFT. The "Popular" part is MOTORCRAFT KM7159.

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

9 Temperature Sender / Sensor parts are listed for the 2025 Ford Bronco, from MOTORCRAFT, STANDARD MOTOR PRODUCTS, VNE and 1 other brand.

Part numbers include MOTORCRAFT DY1704, MOTORCRAFT DY1807 and MOTORCRAFT DY1613, among others listed above.

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

11 Thermostat parts for the 2025 Ford Bronco come from 4 brands — MOTORAD, MOTORCRAFT, CALORSTAT and 1 other brand.

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

9 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2025 Ford Bronco, from MOTORCRAFT, MAHLE / CLEVITE, FEL-PRO and 1 other brand.

Listed part numbers: FEL-PRO 35991, MAHLE / CLEVITE C33309 and MAHLE / CLEVITE C32675, plus the other parts above.

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

8 Thermostat Housing / Water Outlet parts for the 2025 Ford Bronco come from 4 brands — MOTORAD, MOTORCRAFT, FOUR SEASONS and 1 other brand.

Listed part numbers: FOUR SEASONS 86315, GATES CO35102 and MOTORAD CH3149, 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

18 Water Pump parts for the 2025 Ford Bronco come from 5 brands — FVP, GMB, US MOTOR WORKS and 2 other brands. The "Popular" part is GATES 41235.

The Economy section: 6 options from FVP and US MOTOR WORKS. FVP US8203 is listed in this group.

Standard Replacement: 8 parts, from GMB, MOTORCRAFT, FVP and 1 other brand. A representative part number is GATES 41235.

4 further parts sit outside the graded sections, with the same engine-level match.

This table covers the Water Pump Inlet tubes. Read more

2 Water Pump Inlet Tube parts for the 2025 Ford Bronco come from MOTORCRAFT.

Listed part numbers: MOTORCRAFT KH1165 and MOTORCRAFT KH1166.