23 Cooling system parts are listed for the 2018 Fiat Ducato, in 4 part types, covering the 2.3L L4 DIESEL Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2018 Fiat Ducato, 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 23 listed are Coolant / Antifreeze (14 parts), Radiator Fan Assembly (5 parts) and Radiator (3 parts). The other 1 part type covers the remaining 1 part.
The 2018 Fiat Ducato came with a single engine, the 2.3L L4 DIESEL Turbocharged, and every part is verified against it.
7 brands supply cooling system parts for the 2018 Fiat Ducato, led by NISSENS (8 parts), PRESTONE (5 parts) and PEAK (4 parts), plus 4 more brands. Quality grades include Economy, Premium and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 Fiat Ducato. 3 parts have it, including FVP MV5050GAL (Coolant / Antifreeze) and PRESTONE AF3100 (Coolant / Antifreeze). Each part number opens a page with every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AF3055 | 🇲🇽 MX | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular | MV5050GAL | 🇲🇽 MX | Extended LifeAll Makes / All Models | View on Amazon |
| PRESTONE Popular | AF3100 | 🇲🇽 MX | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| PEAK | BQA1GAL | 🇲🇽 MX | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| VALVOLINE | 719009 | 🇲🇽 MX | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AFC12100 | 🇲🇽 MX | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
| VALVOLINE | 846439 | 🇲🇽 MX | HD Nitrite Free Extended Life Yellow1 Gallon | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇲🇽 MX | All Vehicles10yr/300k mi | View on Amazon |
| PEAK | PKP1GAL | 🇲🇽 MX | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇲🇽 MX | Global Lifetime1 Gallon | View on Amazon |
| PRESTONE | AFMAX | 🇲🇽 MX | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN | ACE009 | 🇲🇽 MX | PinkOAT | View on Amazon |
| PEAK | NAP1GAL | 🇲🇽 MX | OET North American Extended Life Purple1 Gallon | View on Amazon |
| VALVOLINE | 861399 | 🇲🇽 MX | G40 Pink1 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.
14 Coolant / Antifreeze parts are listed for the 2018 Fiat Ducato, from PRESTONE, PEAK, VALVOLINE and 2 other brands. FVP MV5050GAL carries the "Popular" badge.
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 PRESTONE and VALVOLINE — rated for severe service. PRESTONE AFC12100 is listed in this group.
The Premium section lists 4 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 3 options from AISIN, PEAK and VALVOLINE — built to original-equipment specification. AISIN ACE009 is listed in this group.
Radiator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NISSENS | 606538 | 🇲🇽 MX | Brazed cooling fins | View on Amazon |
| NISSENS | 606554 | 🇲🇽 MX | Brazed cooling fins | View on Amazon |
| NISSENS | 63568 | 🇲🇽 MX | without Oil CoolerMechanically jointed cooling fins | 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.
NISSENS supplies the 3 Radiator parts for the 2018 Fiat Ducato.
Part numbers include NISSENS 606538, NISSENS 606554 and NISSENS 63568.
Radiator Fan Assembly
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NISSENS | 850001 | 🇲🇽 MX | with Radiator Fan Shroud | View on Amazon |
| NISSENS | 850002 | 🇲🇽 MX | with Radiator Fan Shroud | View on Amazon |
| NISSENS | 850004 | 🇲🇽 MX | with Radiator Fan Shroud | View on Amazon |
| NISSENS | 850005 | 🇲🇽 MX | with Radiator Fan Shroud | View on Amazon |
| NISSENS | 85958 | 🇲🇽 MX | with Radiator Fan Shroud | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
5 Radiator Fan Assembly parts for the 2018 Fiat Ducato come from NISSENS.
Listed part numbers: NISSENS 850001, NISSENS 850002 and NISSENS 850004, plus the other parts above.
Temperature Sender / Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MARELLI | SPA103 | 🇲🇽 MX | View on Amazon |
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.
One part is listed for the 2018 Fiat Ducato — MARELLI SPA103.
Buying Cooling System Parts for a 2018 Fiat Ducato
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 2.3L L4 DIESEL 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 Fan Assembly .
Frequently Asked Questions
How many cooling system parts fit the 2018 Fiat Ducato?
Our catalog currently lists 23 cooling system parts for the 2018 Fiat Ducato across 4 subcategories and 7 brands, covering the 2.3L L4 DIESEL Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2018 Fiat Ducato?
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 Ducato 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 Ducato?
Every part on this page is matched to the 2.3L L4 DIESEL 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 Ducato
Cooling System Parts for Other Fiat Ducato Years
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