2023 Ram 4500 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

6 Coolant / Antifreeze parts for the 2023 Ram 4500 come from 2 brands — PRESTONE and AISIN. 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 1 option from PRESTONE — 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.

In the Standard Replacement grade, AISIN supplies 1 part: built to original-equipment specification. A representative part number is AISIN ACD007.

Listed part numbers: PRESTONE AF3100, PRESTONE AF3055 and PRESTONE AFC12100, plus the other parts above.

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

3 Coolant Hose / Pipe parts for the 2023 Ram 4500 come from MOPAR.

Part numbers include MOPAR 68370509AB, MOPAR 68359826AD and MOPAR 68359815AA.

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

3 Coolant Reservoir parts are listed for the 2023 Ram 4500, from TECHPRO and MOPAR.

This group includes MOPAR 68184910AE, TECHPRO CH3014187 and TECHPRO CH3014188.

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

One part is listed for the 2023 Ram 4500 — MOTORAD T73.

This table covers the Hose clamps. Read more

6 Hose Clamp parts for the 2023 Ram 4500 come from MOPAR. The "Popular" part is MOPAR 52006750.

Listed part numbers: MOPAR 52006750, MOPAR 32002370 and MOPAR 6033135, plus the other parts 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 2023 Ram 4500 come from 2 brands — TECHPRO and MOPAR.

The Economy section: 1 option from TECHPRO. TECHPRO CH3010389 is listed in this group.

Standard Replacement: 1 part, from MOPAR. A representative part number is MOPAR 68322493AA.

Part numbers include TECHPRO CH3010389 and MOPAR 68322493AA.

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

2 Radiator Fan Assembly parts are listed for the 2023 Ram 4500, from FOUR SEASONS and MOPAR.

Part numbers include FOUR SEASONS 76155 and MOPAR 68322663AB.

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

3 Radiator Fan Blade parts are listed for the 2023 Ram 4500, from DORMAN, GPD and MOPAR.

This group includes DORMAN 620057, GPD 2812305 and MOPAR 55056947AA.

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 for the 2023 Ram 4500 come from 6 brands — FOUR SEASONS, HAYDEN, GMB and 3 other brands. The "Popular" part is FOUR SEASONS 46111.

This group includes FOUR SEASONS 46111, HAYDEN 2962 and GMB 9202500 and the remaining parts above.

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

2 Radiator Fan Shroud parts for the 2023 Ram 4500 come from MOPAR.

This group includes MOPAR 68194960AC and MOPAR 68359839AB.

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

5 Radiator Hose parts are listed for the 2023 Ram 4500, from GATES and MOPAR. MOPAR 68359610AD carries the "Popular" badge.

This group includes MOPAR 68359610AD, GATES 52106 and GATES 52108 and the remaining parts above.

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

MOPAR supplies both parts for the 2023 Ram 4500.

This group includes MOPAR 68050200AA and MOPAR 68451118AA.

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

MOPAR supplies the 5 Radiator Seal parts for the 2023 Ram 4500. MOPAR 68362572AB carries the "Popular" badge.

Listed part numbers: MOPAR 68362572AB, MOPAR 68362573AB and MOPAR 68359232AB, 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

6 Temperature Sender / Sensor parts for the 2023 Ram 4500 come from 5 brands — STANDARD MOTOR PRODUCTS, DORMAN, GPD and 2 other brands. The "Popular" part is DORMAN 926427.

The Economy section: 4 options from DORMAN, GPD, HOLSTEIN and 1 other brand. DORMAN 926427 is listed in this group.

Standard Replacement: 2 parts, from STANDARD MOTOR PRODUCTS and WALKER PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS TX195.

Part numbers include DORMAN 926427, GPD 1712493 and HOLSTEIN 2CTS0247, 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

2 Thermostat parts are listed for the 2023 Ram 4500, from DORMAN and FOUR SEASONS.

Economy: 1 part, from DORMAN. A representative part number is DORMAN 9023045.

The Standard Replacement section: 1 option from FOUR SEASONS. FOUR SEASONS 86260 is listed in this group.

Part numbers include DORMAN 9023045 and FOUR SEASONS 86260.

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

2 Thermostat Housing / Water Outlet parts are listed for the 2023 Ram 4500, from MOPAR and MOTORAD.

Listed part numbers: MOPAR 4893177AD and MOTORAD 956216.

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

7 Water Pump parts are listed for the 2023 Ram 4500, from SKP, US MOTOR WORKS, FVP and 4 other brands. SKP SK1204540 carries the "Popular" badge.

Economy: 3 parts, from SKP, US MOTOR WORKS and FVP. A representative part number is SKP SK1204540.

The Standard Replacement section: 4 options from DAYCO, GATES, GMB and 1 other brand. DAYCO DP2165 is listed in this group.

Listed part numbers: SKP SK1204540 and US MOTOR WORKS US8140, 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

This group shows a single part: MOPAR 4893149AA.