2021 Jeep Wrangler Cooling System Parts

This table covers the Auxiliary Water Pump hoses. 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 3 Auxiliary Water Pump Hose parts for the 2021 Jeep Wrangler.

This group includes MOPAR 68402055AB, MOPAR 68402076AB and MOPAR 68402076AC.

This table covers the Battery coolers. Typical signs include overheated fluid, a leak at the fittings, or mixed fluids in the reservoir. Flush the lines when you replace a cooler. Read more

This group shows a single part: MOTORAD TA9218.

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

18 Coolant / Antifreeze parts are listed for the 2021 Jeep Wrangler, from PRESTONE, VALVOLINE, PEAK and 2 other brands. FVP MV5050GAL carries the "Popular" badge. 13 parts fit every engine; the other 5 are engine-specific.

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, FVP, PRESTONE, PEAK and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is FVP MV5050GAL.

The Heavy Duty section lists 2 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 6 options from VALVOLINE, AISIN and PEAK — built to original-equipment specification. VALVOLINE ZXEL1 is listed in this group.

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

MOPAR supplies the 18 Coolant Hose / Pipe parts for the 2021 Jeep Wrangler. MOPAR 68280797AC carries the "Popular" badge.

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

This group shows a single part: ELRING B63130.

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

12 Coolant Reservoir parts for the 2021 Jeep Wrangler come from 3 brands — TECHPRO, MOPAR and GPD. The "Popular" part is MOPAR 68364312AC. 1 part fits every engine; the other 11 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

4 Coolant Reservoir Cap parts for the 2021 Jeep Wrangler come from 2 brands — MOTORAD and CALORSTAT.

Listed part numbers: CALORSTAT RC0144, MOTORAD T114 and MOTORAD T116, plus the other parts above.

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

MOTORAD supplies both parts for the 2021 Jeep Wrangler.

This group includes MOTORAD 3128 and MOTORAD 3127.

This table covers the Hose clamps. Read more

MOPAR supplies the 3 Hose Clamp parts for the 2021 Jeep Wrangler.

Listed part numbers: MOPAR 68105672AA, MOPAR 6107301AA and MOPAR 6107386AA.

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

One part is listed for the 2021 Jeep Wrangler — MOPAR 68314790AA.

This table covers the Intercooler Air Hose pipes. Read more

MOPAR supplies the 6 Intercooler Air Hose / Pipe parts for the 2021 Jeep Wrangler.

Part numbers include MOPAR 5281505AC, MOPAR 5281505AD and MOPAR 5281953AA, among others listed 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 68364983AA.

This table covers the Inverter coolers. Typical signs include overheated fluid, a leak at the fittings, or mixed fluids in the reservoir. Flush the lines when you replace a cooler. Read more

2 Inverter Cooler parts for the 2021 Jeep Wrangler come from 2 brands — GPD and TECHPRO.

This group includes GPD 2611441 and TECHPRO CH3011100.

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

13 Radiator parts are listed for the 2021 Jeep Wrangler, from MOPAR, GPD, TECHPRO and 5 other brands. CSF 3953 carries the "Popular" badge.

Economy: 4 parts, from GPD and TECHPRO. A representative part number is GPD 13754C.

The Standard Replacement section: 9 options from MOPAR, CSF, KOYORAD and 3 other brands. CSF 3953 is listed in this group.

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

15 Radiator Fan Assembly parts for the 2021 Jeep Wrangler come from 7 brands — GPD, MOPAR, TECHPRO and 4 other brands. The "Popular" part is TYC 624850.

The Economy section: 6 options from GPD, TECHPRO and DORMAN. DORMAN 621969 is listed in this group.

Standard Replacement: 9 parts, from MOPAR, TYC, AGILITY and 1 other brand. A representative part number is TYC 624850.

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

23 Radiator Hose parts for the 2021 Jeep Wrangler come from 2 brands — MOPAR and GATES. The "Popular" part is GATES 52413. 1 part fits every engine; the other 22 are engine-specific.

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

2 Radiator Mount Bushing parts for the 2021 Jeep Wrangler come from MOPAR.

Listed part numbers: MOPAR 52079884AA and MOPAR 52079419.

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

35 Temperature Sender / Sensor parts are listed for the 2021 Jeep Wrangler, from WALKER PRODUCTS, WELLS, MOPAR and 9 other brands. DORMAN 926427 carries the "Popular" badge. Grades run from Economy through Standard Replacement; Standard Replacement is the most populated section, led by WALKER PRODUCTS, WELLS, MOPAR and 4 other brands.