2021 Fiat 500X 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

14 Coolant / Antifreeze parts for the 2021 Fiat 500X come from 5 brands — PRESTONE, PEAK, VALVOLINE and 2 other brands. The "Popular" part is FVP MV5050GAL.

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 4 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, AISIN, PEAK and VALVOLINE supply 3 parts: built to original-equipment specification. A representative part number is AISIN ACE009.

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

2 Coolant Hose / Pipe parts for the 2021 Fiat 500X come from MOPAR.

Part numbers include MOPAR 68440186AA and MOPAR 68614437AA.

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 2021 Fiat 500X — ELRING 175000.

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

One part is listed for the 2021 Fiat 500X — MOPAR 68439872AA.

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 Fiat 500X, from CALORSTAT and MOTORAD.

Part numbers include CALORSTAT RC0144 and MOTORAD T73.

This table covers the Hose clamps. Read more

2 Hose Clamp parts for the 2021 Fiat 500X come from MOPAR.

Listed part numbers: MOPAR 68138725AA and MOPAR 68150753AA.

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

5 Radiator parts for the 2021 Fiat 500X come from 4 brands — MOPAR, TECHPRO, CSF and 1 other brand. The "Popular" part is CSF 3934.

The Economy section: 1 option from TECHPRO. TECHPRO CH3010388 is listed in this group.

Standard Replacement: 4 parts, from MOPAR, CSF and FVP. A representative part number is CSF 3934.

Listed part numbers: CSF 3934, TECHPRO CH3010388 and FVP RAD13904, plus the other parts above.

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

3 Radiator Fan Assembly parts are listed for the 2021 Fiat 500X, from GPD, TECHPRO and MOPAR.

Economy: 2 parts, from GPD and TECHPRO. A representative part number is GPD 2812478.

The Standard Replacement section: 1 option from MOPAR. MOPAR 68552370AA is listed in this group.

Listed part numbers: GPD 2812478, TECHPRO FI3115106 and MOPAR 68552370AA.

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

This group shows a single part: MOPAR 68439849AA.

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

MOPAR supplies the 3 Radiator Hose parts for the 2021 Fiat 500X.

This group includes MOPAR 68438898AA, MOPAR 68449936AA and MOPAR 68526355AA.

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 Fiat 500X.

This group includes MOPAR 68092558AB and MOPAR 68354092AA.

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

4 Temperature Sender / Sensor parts for the 2021 Fiat 500X come from 4 brands — VEMO, MOPAR, STANDARD MOTOR PRODUCTS and 1 other brand.

The Economy section: 1 option from VEMO. VEMO V33720183 is listed in this group.

Standard Replacement: 3 parts, from MOPAR, STANDARD MOTOR PRODUCTS and WELLS. A representative part number is MOPAR 68294906AA.

Listed part numbers: VEMO V33720183, MOPAR 68294906AA and STANDARD MOTOR PRODUCTS TX334, plus the other parts above.

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

2 Thermostat parts are listed for the 2021 Fiat 500X, from MOPAR and MOTORAD.

Part numbers include MOPAR 68498366AA and MOTORAD 1329221.

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

2 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 Fiat 500X come from 2 brands — ELRING and MOPAR.

Part numbers include ELRING 174350 and MOPAR 68439763AA.

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 Fiat 500X, from MOPAR, FVP, GMB and 1 other brand. MOPAR 68439898AA carries the "Popular" badge.

Economy: 1 part, from FVP. A representative part number is FVP US8226.

The Standard Replacement section: 4 options from MOPAR and GMB. MOPAR 68439898AA is listed in this group.

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

This group includes MOPAR 68439898AA, FVP US8226 and MOPAR 68377862AA and the remaining parts above.