The 2018 Fiat 500L has 28 cooling system parts with verified fitment on this page — 8 part types and 13 brands, covering the 1.4L L4 Turbocharged engine. Each part includes a manufacturer part number and application notes.
On the 2018 Fiat 500L, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. 22 parts of the 28 listed are Coolant / Antifreeze (13 parts), Radiator (7 parts) and Coolant Reservoir Cap (2 parts). The other 5 part types cover the remaining 6 parts.
Every part on this page is matched to the 1.4L L4 Turbocharged — the only engine offered in the 2018 Fiat 500L.
The most listed brands for 2018 Fiat 500L cooling system parts are MOPAR (7 parts), PRESTONE (4 parts) and PEAK (4 parts), plus 10 more brands. Quality grades include Economy, Premium and Standard Replacement.
5 parts on this 2018 Fiat 500L page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FVP MV5050GAL (Coolant / Antifreeze) and DENSO 2219425 (Radiator). Click any part number to see every vehicle that part fits.
Auxiliary Water Pump Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR | 68332379AA | 🇺🇸 US 🇨🇦 CA | Auxiliary Pump Hose and Tube | View on Amazon |
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.
This group shows a single part: MOPAR 68332379AA.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AF3055 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular | MV5050GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended LifeAll Makes / All Models | View on Amazon |
| PEAK | BQA1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| PRESTONE | AF3100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| VALVOLINE | 719009 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | ZXG051 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | G05 Yellow1 Gallon | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | All Vehicles10yr/300k mi | View on Amazon |
| PEAK | PKP1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Global Lifetime1 Gallon | View on Amazon |
| PRESTONE | AFMAX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN | ACE009 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | PinkOAT | View on Amazon |
| PEAK | NAP1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OET North American Extended Life Purple1 Gallon | View on Amazon |
| VALVOLINE | 877981 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | G30 Purple1 Gallon | View on Amazon |
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.
13 Coolant / Antifreeze parts for the 2018 Fiat 500L 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 supplies 1 part: 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.
Coolant Reservoir
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR | 68201453AA | 🇺🇸 US 🇨🇦 CA | Inline Multi Air Engine.6 Speed Aisin F21-250 HD Auto Trans | View on Amazon |
This table covers the overflow / expansion tanks that hold extra coolant.
One part is listed for the 2018 Fiat 500L — MOPAR 68201453AA.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 54375 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| MOTORAD | T75 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Standard | View on Amazon |
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.
2 Coolant Reservoir Cap parts are listed for the 2018 Fiat 500L, from DORMAN and MOTORAD.
Listed part numbers: DORMAN 54375 and MOTORAD T75.
Hose Clamp
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR | 68095244AA | 🇺🇸 US 🇨🇦 CA | Special or Lowline or Medium or Highline or Sport or Premium | View on Amazon |
| MOPAR | 68188891AA | 🇺🇸 US 🇨🇦 CA | Inline Multi Air Engine.6 Speed Aisin F21-250 HD Auto Trans | View on Amazon |
This table covers the Hose clamps.
2 Hose Clamp parts for the 2018 Fiat 500L come from MOPAR.
This group includes MOPAR 68095244AA and MOPAR 68188891AA.
Intercooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR | 68202036AA | 🇺🇸 US 🇨🇦 CA | Fits Inline Multi Air Engine.6 Speed Aisin F21-250 HD Auto Trans | View on Amazon |
This table covers the intercoolers that cool turbo or supercharger charge air.
This group shows a single part: MOPAR 68202036AA.
Intercooler Air Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR | 68266472AA | 🇺🇸 US 🇨🇦 CA | Charge Air Cooler HoseInlet | View on Amazon |
This table covers the Intercooler Air Hose pipes.
This group shows a single part: MOPAR 68266472AA.
Radiator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular | 2219425 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Lounge or Pop Model or Trekking | View on Amazon |
| KOYORAD Popular | A13245 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Convertible and Abarth | View on Amazon |
| AGILITY | 8013513 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| FVP | RAD13513 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| MOPAR | 68202037AA | 🇺🇸 US 🇨🇦 CA | Inline Multi Air Engine.6 Speed Aisin F21-250 HD Auto Trans | View on Amazon |
| TYC | 13513 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | PrimaryLounge or Pop Model or Trekking or Urbana | View on Amazon |
| UAC | RA13513C | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
7 Radiator parts for the 2018 Fiat 500L come from 7 brands — DENSO, KOYORAD, AGILITY and 4 other brands. The "Popular" part is DENSO 2219425.
Listed part numbers: DENSO 2219425, KOYORAD A13245 and AGILITY 8013513, plus the other parts above.
Buying Cooling System Parts for a 2018 Fiat 500L
On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.
- Confirm you have the 1.4L L4 Turbocharged engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Coolant / Antifreeze and Radiator .
Frequently Asked Questions
How many cooling system parts fit the 2018 Fiat 500L?
Our catalog currently lists 28 cooling system parts for the 2018 Fiat 500L across 8 subcategories and 13 brands, covering the 1.4L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2018 Fiat 500L?
Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2018 Fiat 500L was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2018 Fiat 500L?
Every part on this page is matched to the 1.4L L4 Turbocharged engine. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2018 Fiat 500L
Cooling System Parts for Other Fiat 500L Years
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