2023 Ram 3500 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

17 Coolant / Antifreeze parts are listed for the 2023 Ram 3500, from PRESTONE, VALVOLINE, PEAK and 1 other brand. VALVOLINE ZXG051 carries the "Popular" badge.

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, PEAK, PRESTONE and VALVOLINE supply 3 parts: the catalog's value-priced group. A representative part number is PEAK BQA1GAL.

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 5 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 5 options from VALVOLINE, AISIN and PEAK — built to original-equipment specification. VALVOLINE 888374 is listed in this group.

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

MOPAR supplies the 4 Coolant Hose / Pipe parts for the 2023 Ram 3500.

Listed part numbers: MOPAR 68370065AA, MOPAR 68359813AA and MOPAR 68359812AA, 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

2 Coolant Hose / Pipe Seal parts for the 2023 Ram 3500 come from ELRING.

Listed part numbers: ELRING 106320 and ELRING B63030.

This table covers the seals at the Coolant Hose Connector / Flange. 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: ELRING 109260.

This table covers the Coolant Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

2 Coolant Level Sensor parts are listed for the 2023 Ram 3500, from MOPAR and STANDARD MOTOR PRODUCTS.

Listed part numbers: MOPAR 68489744AA and STANDARD MOTOR PRODUCTS FLS346.

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

3 Coolant Reservoir parts for the 2023 Ram 3500 come from 2 brands — TECHPRO and MOPAR.

Part numbers include MOPAR 68370066AC, TECHPRO CH3014186 and TECHPRO CH3014185.

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 2023 Ram 3500 come from 2 brands — CALORSTAT and MOTORAD.

Part numbers include CALORSTAT RC0144 and MOTORAD T73.

This table covers the Hose clamps. Read more

MOPAR supplies the 4 Hose Clamp parts for the 2023 Ram 3500.

This group includes MOPAR 68211466AA, MOPAR 55056718AA and MOPAR 68359595AA and the remaining parts above.

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

5 Intercooler parts are listed for the 2023 Ram 3500, from TYC, CSF, GPD and 2 other brands. TYC 18132 carries the "Popular" badge.

Listed part numbers: TYC 18132, CSF 6101 and GPD 2711410, plus the other parts above.

This table covers the Intercooler Air Hose pipes. Read more

4 Intercooler Air Hose / Pipe parts are listed for the 2023 Ram 3500, from DORMAN and MOPAR.

This group includes DORMAN 667031, DORMAN 667030 and MOPAR 68357482AB and the remaining parts above.

This table covers the seals at the Intercooler. 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: MOPAR 68322667AD.

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

8 Radiator parts are listed for the 2023 Ram 3500, from CSF, KOYORAD, GPD and 3 other brands. CSF 3944 carries the "Popular" badge.

Economy: 1 part, from GPD. A representative part number is GPD 13871C.

The Standard Replacement section: 7 options from CSF, KOYORAD, SPECTRA PREMIUM and 2 other brands. CSF 3944 is listed in this group.

Part numbers include CSF 3944, GPD 13871C and KOYORAD A13871, among others listed above.

This table covers the Radiator Fan blades. Typical signs include chatter, streaks, or a skip at the top of the stroke. Confirm left and right lengths in the notes — they are often different. Read more

This group shows a single part: MOPAR 68359841AB.

This table covers the Radiator Fan clutches. Typical signs include slip at highway speed, chatter on takeoff, or a pedal that stays low. Resurface or replace the flywheel with the clutch — a heat-checked flywheel wastes the new disc. Read more

6 Radiator Fan Clutch parts are listed for the 2023 Ram 3500, from FOUR SEASONS, HAYDEN, FVP and 3 other brands. FOUR SEASONS 46155 carries the "Popular" badge.

Part numbers include FOUR SEASONS 46155, HAYDEN 3400 and FVP 9202690, among others listed above.

This table covers the brackets that mount the Radiator Fan Clutch Bearing. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

One part is listed for the 2023 Ram 3500 — GATES FB1022.

This table covers the shrouds that duct air through the fan and radiator. Read more

MOPAR supplies the 3 Radiator Fan Shroud parts for the 2023 Ram 3500.

This group includes MOPAR 68359840AA, MOPAR 68322504AB and MOPAR 68322505AB.

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

3 Radiator Hose parts for the 2023 Ram 3500 come from MOPAR.

Listed part numbers: MOPAR 68359638AB, MOPAR 68359600AE and MOPAR 68359598AE.

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

6 Radiator Seal parts for the 2023 Ram 3500 come from MOPAR. The "Popular" part is MOPAR 68359303AB.

Listed part numbers: MOPAR 68359303AB, MOPAR 68362572AB and MOPAR 68362560AB, 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

7 Temperature Sender / Sensor parts are listed for the 2023 Ram 3500, from STANDARD MOTOR PRODUCTS, DORMAN, GPD and 3 other brands. DORMAN 926427 carries the "Popular" badge.

Economy: 4 parts, from DORMAN, GPD, HOLSTEIN and 1 other brand. A representative part number is DORMAN 926427.

The Standard Replacement section: 3 options from WALKER PRODUCTS, STANDARD MOTOR PRODUCTS and WELLS. WALKER PRODUCTS 2111050 is listed in this group.

Part numbers include DORMAN 926427, GPD 1712596 and HOLSTEIN 2CTS0193, 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

8 Thermostat parts for the 2023 Ram 3500 come from 5 brands — MOTORAD, SKP, CALORSTAT and 2 other brands. The "Popular" part is MOTORAD 5426190.

The Economy section: 1 option from SKP. SKP SK5426190 is listed in this group.

Heavy Duty: 1 part, from MOTORAD. A representative part number is MOTORAD 5426190.

Premium: 1 part, from MOTORAD. A representative part number is MOTORAD 7426190.

Standard Replacement: 5 parts, from MOTORAD, CALORSTAT, GATES and 1 other brand. A representative part number is MOTORAD 426190.

Listed part numbers: MOTORAD 5426190, SKP SK5426190 and MOTORAD 7426190, plus the other 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

4 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2023 Ram 3500, from AJUSA, ELRING, FEL-PRO and 1 other brand.

Part numbers include AJUSA 01874900, ELRING 096800 and FEL-PRO 35703, among others listed above.

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

2 Thermostat Housing / Water Outlet parts for the 2023 Ram 3500 come from MOTORAD.

This group includes MOTORAD CH1073 and MOTORAD CH3092.

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

5 Water Pump parts for the 2023 Ram 3500 come from 4 brands — FVP, US MOTOR WORKS, GATES and 1 other brand. The "Popular" part is GATES 42271.

The Economy section: 2 options from FVP and US MOTOR WORKS. FVP US99 is listed in this group.

Standard Replacement: 3 parts, from GATES, FVP and GMB. A representative part number is GATES 42271.

Part numbers include GATES 42271 and FVP US99, among others listed 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 are listed for the 2023 Ram 3500, from FEL-PRO and MAHLE / CLEVITE.

Listed part numbers: FEL-PRO 35525 and MAHLE / CLEVITE K31420.

This table covers the Water Pump Seal O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

This group shows a single part: ELRING 073720.