2025 Ram 1500 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

13 Coolant / Antifreeze parts are listed for the 2025 Ram 1500, from VALVOLINE and PRESTONE. VALVOLINE ZXG051 carries the "Popular" badge. 9 parts fit every engine; the other 4 are engine-specific.

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 3 options from VALVOLINE and PRESTONE — rated for severe service. VALVOLINE ZXG051 is listed in this group.

The Premium section lists 3 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 4 options from VALVOLINE — built to original-equipment specification. VALVOLINE ZXEL1 is listed in this group.

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

MOPAR supplies the 10 Coolant Hose / Pipe parts for the 2025 Ram 1500.

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

8 Coolant Reservoir parts for the 2025 Ram 1500 come from 5 brands — MOPAR, TECHPRO, DORMAN and 2 other brands. The "Popular" part is DORMAN 603729. 5 parts fit every engine; the other 3 are engine-specific.

This group includes DORMAN 603729, MOPAR 68309850AA and GPD 2411397 and the remaining parts above.

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

2 Coolant Reservoir Cap parts for the 2025 Ram 1500 come from 2 brands — CALORSTAT and MOTORAD. Every part fits both the 3.0L L6 Turbocharged and the 3.6L V6.

Listed part numbers: CALORSTAT RC0144 and MOTORAD T114.

This table covers the Hose clamps. Read more

MOPAR supplies both parts for the 2025 Ram 1500.

This group includes MOPAR 6513509AA and MOPAR 6514711AA.

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

MOPAR supplies the 3 Intercooler parts for the 2025 Ram 1500.

Part numbers include MOPAR 68359210AE, MOPAR 68464743AD and MOPAR 68464743AE.

This table covers the Intercooler Air Hose pipes. Read more

MOPAR supplies the 3 Intercooler Air Hose / Pipe parts for the 2025 Ram 1500.

Listed part numbers: MOPAR 68463517AE, MOPAR 68464759AC and MOPAR 68464764AD.

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

12 Radiator parts are listed for the 2025 Ram 1500, from MOPAR, CSF, SPECTRA PREMIUM and 1 other brand. CSF 3887 carries the "Popular" badge. 1 part fits every engine; the other 11 are engine-specific.

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

7 Radiator Fan Assembly parts for the 2025 Ram 1500 come from 5 brands — MOPAR, TECHPRO, TYC and 2 other brands. The "Popular" part is TYC 624830.

The Economy section: 1 option from TECHPRO. TECHPRO CH3115199 is listed in this group.

Standard Replacement: 1 part, from MOPAR. A representative part number is MOPAR 68577347AA.

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

This group includes TYC 624830, TECHPRO CH3115199 and MOPAR 68577347AA 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

11 Radiator Hose parts for the 2025 Ram 1500 come from MOPAR. The "Popular" part is MOPAR 68280626AD.

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

6 Radiator Mount Bushing parts for the 2025 Ram 1500 come from MOPAR.

Part numbers include MOPAR 68673393AA, MOPAR 68673414AA and MOPAR 68050200AA, among others listed above.

This table covers the seals at the Radiator. 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

11 Radiator Seal parts for the 2025 Ram 1500 come from MOPAR. The "Popular" part is MOPAR 68565444AA.

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

8 Temperature Sender / Sensor parts are listed for the 2025 Ram 1500, from MOPAR, STANDARD MOTOR PRODUCTS, VNE and 1 other brand.

This group includes MOPAR 68224451AA, MOPAR 68270732AB and MOPAR 68217702AD and the remaining parts 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

8 Thermostat parts for the 2025 Ram 1500 come from 4 brands — MOTORAD, MOPAR, DORMAN and 1 other brand. The "Popular" part is DORMAN 9023113.

The Economy section: 1 option from DORMAN. DORMAN 9023113 is listed in this group.

Heavy Duty: 1 part, from MOTORAD. A representative part number is MOTORAD 51009194.

Standard Replacement: 4 parts, from MOPAR, FOUR SEASONS and MOTORAD. A representative part number is MOPAR 4893926AH.

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

This group includes DORMAN 9023113, MOTORAD 51009194 and MOPAR 4893926AH 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

5 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2025 Ram 1500, from MOPAR, FEL-PRO and MAHLE / CLEVITE.

This group includes FEL-PRO 36151, MAHLE / CLEVITE C33520 and MOPAR 68361649AB and the remaining parts above.

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

4 Thermostat Housing / Water Outlet parts for the 2025 Ram 1500 come from 3 brands — MOPAR, FOUR SEASONS and MOTORAD.

Listed part numbers: FOUR SEASONS 86336, MOPAR 4893794AE and MOPAR 4893943AC, 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

14 Water Pump parts for the 2025 Ram 1500 come from 4 brands — MOPAR, FVP, GATES and 1 other brand. The "Popular" part is GATES 44110.

The Economy section: 1 option from FVP. FVP US8230 is listed in this group.

Standard Replacement: 6 parts, from MOPAR and GATES. A representative part number is GATES 44110.

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

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

3 Water Pump Gasket parts are listed for the 2025 Ram 1500, from FEL-PRO, MAHLE / CLEVITE and MOPAR.

Listed part numbers: FEL-PRO 36248, MAHLE / CLEVITE K33528 and MOPAR 68214109AB.

This table covers the Water Pump Inlet tubes. Read more

2 Water Pump Inlet Tube parts for the 2025 Ram 1500 come from MOPAR.

This group includes MOPAR 68358347AE and MOPAR 68552798AA.