2021 Jeep Gladiator 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 for the 2021 Jeep Gladiator come from 5 brands — PRESTONE, VALVOLINE, PEAK and 2 other brands. The "Popular" part is FVP MV5050GAL. Every part fits both the 3.0L V6 DIESEL Turbocharged and the 3.6L V6.

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 2 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, AISIN and PEAK supply 5 parts: built to original-equipment specification. A representative part number is VALVOLINE ZXEL1.

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

4 Coolant Hose / Pipe parts for the 2021 Jeep Gladiator come from MOPAR.

Part numbers include MOPAR 68283411AC, MOPAR 68283412AD and MOPAR 68280802AD, among others listed above.

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

3 Coolant Reservoir parts are listed for the 2021 Jeep Gladiator, from GPD, MOPAR and TECHPRO. All of them fit every engine offered in the 2021 Gladiator.

Listed part numbers: GPD 2411294, MOPAR 68283565AB and TECHPRO CH3014195.

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 are listed for the 2021 Jeep Gladiator, from CALORSTAT and MOTORAD. All of them fit every engine offered in the 2021 Gladiator.

This group includes CALORSTAT RC0144 and MOTORAD T73.

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

2 Cooling System Tester Adapter parts for the 2021 Jeep Gladiator come from MOTORAD.

Listed part numbers: MOTORAD 3128 and MOTORAD 3127.

This table covers the Hose clamps. Read more

This group shows a single part: MOPAR 6107301AA.

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

This group shows a single part: MOPAR 68314790AA.

This table covers the Intercooler Air Hose pipes. Read more

2 Intercooler Air Hose / Pipe parts for the 2021 Jeep Gladiator come from MOPAR.

Listed part numbers: MOPAR 68283404AF and MOPAR 68283407AC.

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 2021 Jeep Gladiator — 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

10 Radiator parts for the 2021 Jeep Gladiator come from 8 brands — MOPAR, GPD, TECHPRO and 5 other brands. The "Popular" part is CSF 3953. 8 parts fit every engine; the other 2 are engine-specific.

The Economy section: 2 options from GPD and TECHPRO. GPD 13754C is listed in this group.

Standard Replacement: 8 parts, from MOPAR, CSF, FVP and 3 other brands. A representative part number is CSF 3953.

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

One part is listed for the 2021 Jeep Gladiator — 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 2021 Jeep Gladiator, from TECHPRO, TYC, MOPAR and 4 other brands. TYC 624860 carries the "Popular" badge.

Economy: 3 parts, from TECHPRO and GPD. A representative part number is GPD 2812254.

The Standard Replacement section: 8 options from TYC, MOPAR, VDO / CONTINENTAL and 2 other brands. TYC 624860 is listed in this group.

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

13 Radiator Hose parts are listed for the 2021 Jeep Gladiator, from MOPAR and GATES. GATES 52413 carries the "Popular" badge. 2 parts fit every engine; the other 11 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

MOPAR supplies both parts for the 2021 Jeep Gladiator. All of them fit every engine offered in the 2021 Gladiator.

This group includes 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

17 Temperature Sender / Sensor parts for the 2021 Jeep Gladiator come from 9 brands — HOLSTEIN, MOPAR, GPD and 6 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TX261.

The Economy section: 6 options from HOLSTEIN, GPD and ULTRA-POWER. GPD 1712660 is listed in this group.

Standard Replacement: 11 parts, from MOPAR, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 3 other brands. A representative part number is STANDARD MOTOR PRODUCTS TX261.

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

11 Thermostat parts are listed for the 2021 Jeep Gladiator, from DORMAN, FOUR SEASONS, MOPAR and 4 other brands. FOUR SEASONS 86199 carries the "Popular" badge.

Economy: 4 parts, from DORMAN, AUTOTECNICA and SKP. A representative part number is AUTOTECNICA CY0718716.

The Standard Replacement section: 7 options from FOUR SEASONS, MOPAR, MOTORAD and 1 other brand. FOUR SEASONS 86199 is listed in this group.

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 2021 Jeep Gladiator come from 4 brands — FEL-PRO, MOPAR, APEX and 1 other brand. The "Popular" part is FEL-PRO 35974.

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

4 Thermostat Housing / Water Outlet parts are listed for the 2021 Jeep Gladiator, from FOUR SEASONS, GATES, MOPAR and 1 other brand. 1 part fits every engine; the other 3 are engine-specific.

Listed part numbers: FOUR SEASONS 86336, GATES CO34971 and MOPAR 4893943AC, plus the other parts above.

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 2021 Jeep Gladiator, from GMB, MOPAR, US MOTOR WORKS and 2 other brands. GMB 1204610 carries the "Popular" badge.

Economy: 1 part, from US MOTOR WORKS. A representative part number is US MOTOR WORKS US8170.

The Standard Replacement section: 4 options from MOPAR, GMB and GATES. GMB 1204610 is listed in this group.

2 ungrouped parts are not assigned to a grade, with the same engine-level match.

This group includes GMB 1204610, US MOTOR WORKS US8170 and GATES 44107 and the remaining 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

5 Water Pump Gasket parts for the 2021 Jeep Gladiator come from 4 brands — ELRING, FEL-PRO, MAHLE / CLEVITE and 1 other brand.

This group includes ELRING 161840, ELRING 218620 and FEL-PRO 36248 and the remaining parts above.

This table covers the Water Pump Inlet tubes. Read more

MOPAR supplies both parts for the 2021 Jeep Gladiator.

Listed part numbers: MOPAR 68490188AA and MOPAR 68571577AA.