2021 Dodge Challenger 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

15 Coolant / Antifreeze parts are listed for the 2021 Dodge Challenger, from VALVOLINE, PEAK, PRESTONE and 2 other brands. FVP MV5050GAL carries the "Popular" badge. All of them fit every engine offered in the 2021 Challenger.

In the Economy grade, FVP, PEAK, PRESTONE 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 1 option from VALVOLINE — 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 5 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

7 Coolant Hose / Pipe parts are listed for the 2021 Dodge Challenger, from MOPAR and CONTINENTAL. MOPAR 68259405AA carries the "Popular" badge.

Listed part numbers: MOPAR 68259405AA, CONTINENTAL 64719 and MOPAR 5181872AC, plus the other parts above.

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 Coolant Hose Connector flanges. Read more

One part is listed for the 2021 Dodge Challenger — DORMAN 47297.

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

13 Coolant Reservoir parts for the 2021 Dodge Challenger come from 7 brands — TECHPRO, MOPAR, GPD and 4 other brands. The "Popular" part is MOPAR 68237637AA.

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

9 Coolant Reservoir Cap parts for the 2021 Dodge Challenger come from MOTORAD. The "Popular" part is MOTORAD ST18.

In the Locking Replacement grade, MOTORAD supplies 4 parts: grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. A representative part number is MOTORAD ST18.

Standard Replacement: 2 parts, from MOTORAD. A representative part number is MOTORAD T18.

3 further parts sit outside the graded sections, with the same engine-level match.

This group includes MOTORAD ST18, MOTORAD ST16 and MOTORAD ST22 and the remaining parts above.

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

2 Cooling System Tester Adapter parts are listed for the 2021 Dodge Challenger, from GATES and MOTORAD.

This group includes GATES 31413 and MOTORAD 3003.

This table covers the Hose clamps. Read more

MOPAR supplies the 7 Hose Clamp parts for the 2021 Dodge Challenger. 1 part fits every engine; the other 6 are engine-specific.

Part numbers include MOPAR 6502017, MOPAR 6502018 and MOPAR 4809147AA, among others listed 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

22 Radiator parts are listed for the 2021 Dodge Challenger, from ULTRA-POWER, CSF, MOPAR and 9 other brands. ULTRA-POWER 13157 carries the "Popular" badge. 7 parts fit every engine; the other 15 are engine-specific.

Economy: 3 parts, from ULTRA-POWER and GPD. A representative part number is ULTRA-POWER 13157.

The Standard Replacement section: 19 options from CSF, MOPAR, SPECTRA PREMIUM and 7 other brands. CSF 3525 is listed in this group.

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

8 Radiator Cap parts are listed for the 2021 Dodge Challenger, from MOPAR, GATES, CALORSTAT and 1 other brand. GATES 31528 carries the "Popular" badge.

The Locking Replacement section: 1 option from GATES. GATES 31518 is listed in this group.

The Standard Replacement section: 4 options from GATES, CALORSTAT, MOPAR and 1 other brand. GATES 31528 is listed in this group.

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

Part numbers include GATES 31528, GATES 31518 and CALORSTAT RC0151, among others listed above.

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

This group shows a single part: DORMAN 61134.

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

17 Radiator Fan Assembly parts for the 2021 Dodge Challenger come from 9 brands — GPD, FOUR SEASONS, VARIOUS MFR and 6 other brands. The "Popular" part is SKP SK621526. 4 parts fit every engine; the other 13 are engine-specific.

The Economy section: 6 options from GPD, VARIOUS MFR and SKP. SKP SK621526 is listed in this group.

Premium: 2 parts, from DORMAN. A representative part number is DORMAN 621526XD.

Standard Replacement: 9 parts, from FOUR SEASONS, VDO / CONTINENTAL, UAC and 2 other brands. A representative part number is FOUR SEASONS 76387.

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

This group shows a single part: MOPAR 5137713AA.

This table covers the Radiator Fan motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

3 Radiator Fan Motor parts are listed for the 2021 Dodge Challenger, from MOPAR and GPD. 1 part fits every engine; the other 2 are engine-specific.

This group includes GPD 2312234, MOPAR 5072330AB and MOPAR 5137714AA.

This table covers the Radiator Fan resistors. Read more

One part is listed for the 2021 Dodge Challenger — AUTOTECNICA DG1320082.

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

One part is listed for the 2021 Dodge Challenger — MOPAR 68050294AC.

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

28 Radiator Hose parts for the 2021 Dodge Challenger come from 6 brands — MOPAR, CONTINENTAL, DAYCO and 3 other brands. The "Popular" part is DAYCO 72282. A list this long means Radiator Hose applications vary by configuration — the notes carry the qualifiers.

This table covers the Radiator insulators. Read more

2 Radiator Insulator parts for the 2021 Dodge Challenger come from TECHPRO. Every part fits all 4 engine options (3.6L V6, 5.7L V8, 6.2L V8 Supercharged and 6.4L V8).

Listed part numbers: TECHPRO CH3013100 and TECHPRO CH3013102.

This table covers the Radiator mounts. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

This group shows a single part: DORMAN 927290.

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 Dodge Challenger come from MOPAR. Every part fits all 4 engine options (3.6L V6, 5.7L V8, 6.2L V8 Supercharged and 6.4L V8).

This group includes MOPAR 4596474AD and MOPAR 68017994AA.

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

7 Radiator Seal parts for the 2021 Dodge Challenger come from MOPAR. The "Popular" part is MOPAR 68026556AA. 3 parts fit every engine; the other 4 are engine-specific.

This group includes MOPAR 68026556AA, MOPAR 68233015AA and MOPAR 68396076AA and the remaining 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

18 Temperature Sender / Sensor parts are listed for the 2021 Dodge Challenger, from STANDARD MOTOR PRODUCTS, GPD, HOLSTEIN and 9 other brands. DELPHI TS10330 carries the "Popular" badge. 9 parts fit every engine; the other 9 are engine-specific.

Economy: 8 parts, from GPD, HOLSTEIN, DORMAN and 3 other brands. A representative part number is DORMAN 926427.

The Standard Replacement section: 10 options from STANDARD MOTOR PRODUCTS, MOPAR, WELLS and 4 other brands. DELPHI TS10330 is listed in this group.

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

19 Thermostat parts for the 2021 Dodge Challenger come from 10 brands — MOTORAD, DORMAN, GATES and 7 other brands. The "Popular" part is DORMAN 9023035.

The Economy section: 4 options from DORMAN, AUTOTECNICA and SKP. DORMAN 9023035 is listed in this group.

Heavy Duty: 1 part, from MOTORAD. A representative part number is MOTORAD 5416203.

Premium: 1 part, from MOTORAD. A representative part number is MOTORAD 7416203.

Standard Replacement: 11 parts, from MOTORAD, CALORSTAT, MOPAR and 3 other brands. A representative part number is GATES 34053.

2 further parts sit outside the graded sections, 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

12 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2021 Dodge Challenger, from FEL-PRO, MAHLE / CLEVITE, APEX and 1 other brand. FEL-PRO 35974 carries the "Popular" badge.