2025 Ram Promaster 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

12 Coolant / Antifreeze parts for the 2025 Ram Promaster 1500 come from 2 brands — PRESTONE and VALVOLINE. The "Popular" part is VALVOLINE ZXG051.

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, VALVOLINE and PRESTONE supply 3 parts: rated for severe service. A representative part number is VALVOLINE ZXG051.

In the Premium grade, PRESTONE supplies 3 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, VALVOLINE supplies 3 parts: built to original-equipment specification. A representative part number is VALVOLINE ZXEL1.

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

7 Coolant Hose / Pipe parts for the 2025 Ram Promaster 1500 come from MOPAR. The "Popular" part is MOPAR 57008688AD.

Listed part numbers: MOPAR 57008688AD, MOPAR 57009275AA and MOPAR 57008846AC, plus the other parts above.

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

3 Coolant Reservoir parts are listed for the 2025 Ram Promaster 1500, from TECHPRO and MOPAR.

Part numbers include MOPAR 57008689AB, TECHPRO CH3014200 and TECHPRO CH3014201.

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 are listed for the 2025 Ram Promaster 1500, from GATES and MOTORAD.

This group includes GATES 31329 and MOTORAD T75.

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

This group shows a single part: GATES 31371.

This table covers the Hose clamps. Read more

4 Hose Clamp parts for the 2025 Ram Promaster 1500 come from MOPAR.

Part numbers include MOPAR 6511009AA, MOPAR 6511760AA and MOPAR 6512672AA, among others listed above.

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

2 Radiator parts for the 2025 Ram Promaster 1500 come from 2 brands — FVP and MOPAR.

This group includes FVP RAD14008 and MOPAR 57009191AA.

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

8 Radiator Fan Assembly parts are listed for the 2025 Ram Promaster 1500, from TYC, AGILITY, MOPAR and 2 other brands. SKP SK621637 carries the "Popular" badge.

Economy: 1 part, from SKP. A representative part number is SKP SK621637.

The Standard Replacement section: 7 options from TYC, AGILITY, MOPAR and 1 other brand. TYC 623730 is listed in this group.

Part numbers include SKP SK621637, TYC 623730 and AGILITY 6010378, among others listed above.

This table covers the Radiator Fan resistors. Read more

This group shows a single part: GATES FCM180.

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

MOPAR supplies the 4 Radiator Hose parts for the 2025 Ram Promaster 1500.

Listed part numbers: MOPAR 57008692AD, MOPAR 57008693AA and MOPAR 57008901AB, plus the other parts above.

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

4 Temperature Sender / Sensor parts for the 2025 Ram Promaster 1500 come from 2 brands — MOPAR and VNE.

Part numbers include MOPAR 68270732AB, MOPAR 68217702AD and MOPAR 5033313AA, 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

5 Thermostat parts are listed for the 2025 Ram Promaster 1500, from DORMAN, SKP, MOTORAD and 2 other brands. MOTORAD 865194 carries the "Popular" badge.

Economy: 2 parts, from DORMAN and SKP. A representative part number is DORMAN 9023114.

The Standard Replacement section: 3 options from MOTORAD, FOUR SEASONS and MOPAR. MOTORAD 865194 is listed in this group.

This group includes MOTORAD 865194, DORMAN 9023114 and SKP SK865194 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

2 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2025 Ram Promaster 1500 come from 2 brands — MAHLE / CLEVITE and MOPAR.

This group includes MAHLE / CLEVITE C33520 and MOPAR 4893786AA.

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

4 Thermostat Housing / Water Outlet parts are listed for the 2025 Ram Promaster 1500, from FOUR SEASONS, GATES, MOPAR and 1 other brand.

Part numbers include FOUR SEASONS 86340, GATES CO35074 and MOPAR 4893794AE, among others listed 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

8 Water Pump parts are listed for the 2025 Ram Promaster 1500, from US MOTOR WORKS, FVP, SKP and 5 other brands. US MOTOR WORKS US8151 carries the "Popular" badge.

Economy: 3 parts, from US MOTOR WORKS, FVP and SKP. A representative part number is US MOTOR WORKS US8151.

The Standard Replacement section: 5 options from MELLING, DAYCO, GATES and 2 other brands. MELLING MWP548 is listed in this group.

Listed part numbers: US MOTOR WORKS US8151 and SKP SK1204010, 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

2 Water Pump Gasket parts for the 2025 Ram Promaster 1500 come from 2 brands — MAHLE / CLEVITE and MOPAR.

This group includes MAHLE / CLEVITE K33528 and MOPAR 68214109AB.

This table covers the Water Pump Inlet tubes. Read more

MOPAR supplies both parts for the 2025 Ram Promaster 1500.

Part numbers include MOPAR 57008854AB and MOPAR 57008860AA.