2020 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

22 Coolant / Antifreeze parts for the 2020 Ram 1500 come from 6 brands — PRESTONE, VALVOLINE, PEAK and 3 other brands. The "Popular" part is FVP MV5050GAL. 18 parts fit every engine; the other 4 are engine-specific.

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 4 options from FVP, PEAK, PRESTONE and 1 other brand — the catalog's value-priced group. FVP MV5050GAL 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 and PEAK supply 5 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, PRESTONE, ACDELCO and 2 other brands supply 9 parts: built to original-equipment specification. A representative part number is ACDELCO 105027.

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

9 Coolant Hose / Pipe parts for the 2020 Ram 1500 come from 3 brands — MOPAR, DORMAN and ULTRA-POWER.

Listed part numbers: DORMAN 626603, MOPAR 68268590AC and MOPAR 68309921AB, plus the other parts above.

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

11 Coolant Reservoir parts are listed for the 2020 Ram 1500, from TECHPRO, MOPAR, GPD and 4 other brands. DORMAN 603729 carries the "Popular" badge.

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

6 Coolant Reservoir Cap parts are listed for the 2020 Ram 1500, from MOTORAD, DORMAN, CALORSTAT and 1 other brand. DORMAN 54201 carries the "Popular" badge.

Part numbers include DORMAN 54201, CALORSTAT RC0144 and GATES 31569, among others listed above.

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

4 Cooling System Tester Adapter parts for the 2020 Ram 1500 come from 2 brands — MOTORAD and GATES.

Part numbers include GATES 31413, MOTORAD 3128 and MOTORAD 3034, among others listed above.

This table covers the Hose clamps. Read more

10 Hose Clamp parts for the 2020 Ram 1500 come from MOPAR. The "Popular" part is MOPAR 4592176.

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

This group shows a single part: MOPAR 68269544AD.

This table covers the Intercooler Air Hose pipes. Read more

2 Intercooler Air Hose / Pipe parts for the 2020 Ram 1500 come from MOPAR.

This group includes MOPAR 68269546AA and MOPAR 68269545AA.

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

One part is listed for the 2020 Ram 1500 — MOPAR 68364983AA.

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

20 Radiator parts for the 2020 Ram 1500 come from 8 brands — MOPAR, CSF, KOYORAD and 5 other brands. The "Popular" part is CSF 3887.

The Economy section: 1 option from GPD. GPD 13493C is listed in this group.

Standard Replacement: 5 parts, from CSF, KOYORAD, MOPAR and 1 other brand. A representative part number is CSF 3887.

14 further parts sit outside the graded sections, 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

7 Radiator Cap parts for the 2020 Ram 1500 come from 4 brands — GATES, MOTORAD, CALORSTAT and 1 other brand. The "Popular" part is GATES 31528.

In the Locking Replacement grade, GATES and MOTORAD supply 2 parts: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is GATES 31518.

Standard Replacement: 4 parts, from GATES, MOTORAD, CALORSTAT and 1 other brand. A representative part number is GATES 31528.

1 further part sits outside the graded sections, with the same engine-level match.

Part numbers include GATES 31528, GATES 31518 and MOTORAD ST16, among others listed above.

This table covers the petcocks used to drain the radiator. Read more

One part is listed for the 2020 Ram 1500 — DORMAN 61134.

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

11 Radiator Fan Assembly parts are listed for the 2020 Ram 1500, from FOUR SEASONS, TYC, AGILITY and 5 other brands. DORMAN 621982 carries the "Popular" badge. 1 part fits every engine; the other 10 are engine-specific.

Economy: 3 parts, from DORMAN, GPD and TECHPRO. A representative part number is DORMAN 621982.

The Standard Replacement section: 8 options from FOUR SEASONS, TYC, AGILITY and 2 other brands. FOUR SEASONS 76417 is listed in this group.

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

One part is listed for the 2020 Ram 1500 — 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

5 Radiator Fan Clutch parts for the 2020 Ram 1500 come from 5 brands — HAYDEN, FOUR SEASONS, FVP and 2 other brands. The "Popular" part is HAYDEN 2906.

This group includes HAYDEN 2906, FOUR SEASONS 46088 and FVP 9202440 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 2020 Ram 1500 come from MOPAR.

This group includes MOPAR 55056862AA and MOPAR 68241660AA.

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

16 Radiator Hose parts are listed for the 2020 Ram 1500, from MOPAR, GATES, CONTINENTAL and 1 other brand. CONTINENTAL 66164 carries the "Popular" badge.

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 2020 Ram 1500.

Listed part numbers: MOPAR 68050200AA and MOPAR 68050199AA.

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 3 Radiator Seal parts for the 2020 Ram 1500. 1 part fits every engine; the other 2 are engine-specific.

Listed part numbers: MOPAR 68276399AA, MOPAR 55057071AB and MOPAR 68258927AA.

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

30 Temperature Sender / Sensor parts for the 2020 Ram 1500 come from 13 brands — MOPAR, STANDARD MOTOR PRODUCTS, GPD and 10 other brands. The "Popular" part is DORMAN 926427. Grades run from Economy through Standard Replacement; Standard Replacement is the most populated section, led by MOPAR, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 4 other brands.