2019 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 2019 Ram 1500 come from 6 brands — PRESTONE, VALVOLINE, PEAK and 3 other brands. The "Popular" part is FVP MV5050GAL. 19 parts fit every engine; the other 3 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

2 Coolant Hose / Pipe parts for the 2019 Ram 1500 come from 2 brands — DORMAN and ULTRA-POWER.

Listed part numbers: DORMAN 626603, plus the other parts above.

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

One part is listed for the 2019 Ram 1500 — ELRING 568900.

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

10 Coolant Reservoir parts are listed for the 2019 Ram 1500, from TECHPRO, GPD, DORMAN and 4 other brands. DORMAN 603729 carries the "Popular" badge. 1 part fits every engine; the other 9 are engine-specific.

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

7 Coolant Reservoir Cap parts are listed for the 2019 Ram 1500, from MOTORAD, DORMAN, GATES and 2 other brands. DORMAN 54201 carries the "Popular" badge. 1 part fits every engine; the other 6 are engine-specific.

Listed part numbers: DORMAN 54201, GATES 31569 and AUTOTECNICA GM0714619, plus the other parts above.

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

4 Cooling System Tester Adapter parts for the 2019 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

6 Hose Clamp parts for the 2019 Ram 1500 come from MOPAR. The "Popular" part is MOPAR 55056415AA.

This group includes MOPAR 55056415AA, MOPAR 4809147AA and MOPAR 52029091AA and the remaining 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

15 Radiator parts for the 2019 Ram 1500 come from 9 brands — KOYORAD, MOPAR, CSF and 6 other brands. The "Popular" part is CSF 3887.

The Economy section: 1 option from GPD. GPD 13129C is listed in this group.

Standard Replacement: 6 parts, from KOYORAD, MOPAR, CSF and 1 other brand. A representative part number is CSF 3887.

8 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

6 Radiator Cap parts for the 2019 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: 3 parts, from GATES, CALORSTAT and MOTORAD. A representative part number is GATES 31528.

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

This group includes GATES 31528, GATES 31518 and MOTORAD ST16 and the remaining parts above.

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

One part is listed for the 2019 Ram 1500 — DORMAN 61134.

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

9 Radiator Fan Assembly parts are listed for the 2019 Ram 1500, from GPD, TYC, UAC and 3 other brands. TYC 624830 carries the "Popular" badge. 3 parts fit every engine; the other 6 are engine-specific.

Economy: 4 parts, from GPD, TECHPRO and ULTRA-POWER. A representative part number is GPD 2812033.

The Standard Replacement section: 5 options from TYC, UAC and AGILITY. TYC 624830 is listed in this group.

Part numbers include TYC 624830, GPD 2812033 and GPD 2812251, 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

2 Radiator Fan Blade parts are listed for the 2019 Ram 1500, from DORMAN and MOPAR.

Part numbers include DORMAN 620057 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

5 Radiator Fan Clutch parts for the 2019 Ram 1500 come from 5 brands — US MOTOR WORKS, FOUR SEASONS, FVP and 2 other brands. The "Popular" part is US MOTOR WORKS 22059.

Part numbers include US MOTOR WORKS 22059 and FOUR SEASONS 46088, among others listed above.

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

2 Radiator Fan Shroud parts for the 2019 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

7 Radiator Hose parts are listed for the 2019 Ram 1500, from MOPAR and DAYCO. DAYCO 72595 carries the "Popular" badge.

This group includes DAYCO 72595, MOPAR 52014540AC and MOPAR 68263863AA 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

One part is listed for the 2019 Ram 1500 — 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

One part is listed for the 2019 Ram 1500 — MOPAR 68276399AA.

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

18 Temperature Sender / Sensor parts for the 2019 Ram 1500 come from 12 brands — STANDARD MOTOR PRODUCTS, GPD, MOPAR and 9 other brands. The "Popular" part is DORMAN 926427. 2 parts fit every engine; the other 16 are engine-specific.

The Economy section: 7 options from GPD, DORMAN, HOLSTEIN and 3 other brands. DORMAN 926427 is listed in this group.

Standard Replacement: 11 parts, from MOPAR, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 4 other brands. A representative part number is DELPHI TS10330.

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

23 Thermostat parts are listed for the 2019 Ram 1500, from MOTORAD, CALORSTAT, SKP and 5 other brands. SKP SK121424 carries the "Popular" badge. 2 parts fit every engine; the other 21 are engine-specific.

Economy: 2 parts, from SKP and DORMAN. A representative part number is SKP SK121424.

The Heavy Duty section: 3 options from MOTORAD. MOTORAD 5416203 is listed in this group.

In the Performance grade, MOTORAD supplies 3 parts: engineered beyond original-equipment specification. A representative part number is MOTORAD 2416160.

The Premium section: 2 options from MOTORAD. MOTORAD 7416203 is listed in this group.

The Standard Replacement section: 12 options from MOTORAD, CALORSTAT, GATES and 2 other brands. CALORSTAT TH721782J is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

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

13 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2019 Ram 1500 come from 6 brands — FEL-PRO, APEX, ELRING and 3 other brands. The "Popular" part is FEL-PRO 35974.

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

15 Thermostat Housing / Water Outlet parts are listed for the 2019 Ram 1500, from FOUR SEASONS, SKP, VEMO and 4 other brands. SKP SKCO34803 carries the "Popular" badge.

Economy: 4 parts, from SKP, DORMAN and VEMO. A representative part number is SKP SKCO34803.

The Standard Replacement section: 10 options from FOUR SEASONS, GATES, MOPAR and 1 other brand. FOUR SEASONS 85997 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

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

15 Water Pump parts are listed for the 2019 Ram 1500, from MOPAR, GMB, GATES and 6 other brands. SKP SK1204450 carries the "Popular" badge.

Economy: 3 parts, from SKP, ENGINETECH and WJB / INMOTION PARTS. A representative part number is SKP SK1204450.

The Standard Replacement section: 11 options from MOPAR, GMB, GATES and 2 other brands. GATES 43579 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.