The 2018 Audi Q2 has 28 cooling system parts with verified fitment on this page — 9 part types and 12 brands, covering both the 1.4L L4 Turbocharged and the 2.0L L4 Turbocharged. Each part includes a manufacturer part number and application notes.
On the 2018 Audi Q2, 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. 21 parts of the 28 listed are Coolant / Antifreeze (15 parts), Radiator (4 parts) and Thermostat (2 parts). The other 6 part types cover the remaining 7 parts.
The 2018 Audi Q2 was sold with both the 1.4L L4 Turbocharged and the 2.0L L4 Turbocharged. 19 parts fit every engine; the other 9 are engine-specific. Each part shows which engine(s) it fits.
12 brands supply cooling system parts for the 2018 Audi Q2, led by PRESTONE (6 parts), PEAK (4 parts) and NISSENS (4 parts), plus 9 more brands. Quality grades include Premium, Economy and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 Audi Q2. 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 Fits: all 2018 Q2 engines | AF3055 | 🇲🇽 MX | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular Fits: all 2018 Q2 engines | MV5050GAL | 🇲🇽 MX | Extended LifeAll Makes / All Models | View on Amazon |
| PRESTONE Popular Fits: all 2018 Q2 engines | AF3100 | 🇲🇽 MX | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| PEAK Fits: all 2018 Q2 engines | BQA1GAL | 🇲🇽 MX | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| VALVOLINE Fits: all 2018 Q2 engines | 719009 | 🇲🇽 MX | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Fits: all 2018 Q2 engines | AFC12100 | 🇲🇽 MX | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
| VALVOLINE Fits: all 2018 Q2 engines | 846439 | 🇲🇽 MX | HD Nitrite Free Extended Life Yellow1 Gallon | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular Fits: all 2018 Q2 engines | AF2100 | 🇲🇽 MX | All Vehicles10yr/300k mi | View on Amazon |
| PEAK Fits: all 2018 Q2 engines | PKP1GAL | 🇲🇽 MX | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK Fits: all 2018 Q2 engines | PXA1GAL | 🇲🇽 MX | 1 GallonGlobal Lifetime | View on Amazon |
| PRESTONE Fits: all 2018 Q2 engines | AF6510 | 🇲🇽 MX | MAX European Violet1 Gallon | View on Amazon |
| PRESTONE Fits: all 2018 Q2 engines | AFMAX | 🇲🇽 MX | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN Fits: all 2018 Q2 engines | ACE010 | 🇲🇽 MX | VioletSi-OAT | View on Amazon |
| PEAK Fits: all 2018 Q2 engines | PEV1GAL | 🇲🇽 MX | OET European Extended Life Violet1 Gallon | View on Amazon |
| VALVOLINE Fits: all 2018 Q2 engines | 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.
15 Coolant / Antifreeze parts are listed for the 2018 Audi Q2, from PRESTONE, PEAK, VALVOLINE and 2 other brands. FVP MV5050GAL carries the "Popular" badge. All of them fit every engine offered in the 2018 Q2.
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 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 3 options from AISIN, PEAK and VALVOLINE — built to original-equipment specification. AISIN ACE010 is listed in this group.
Coolant Hose / Pipe Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 1.4L L4 Turbocharged | 703570 | 🇲🇽 MX | Inner Diameter [MM]: 47 | View on Amazon |
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.
This group shows a single part: ELRING 703570.
Coolant Hose Connector / Flange Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 1.4L L4 Turbocharged | 332740 | 🇲🇽 MX | material: EPDM (ethylene propylene diene Monomer (M-class) rubber) | View on Amazon |
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.
This group shows a single part: ELRING 332740.
Intercooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 1.4L L4 Turbocharged | 918990 | 🇲🇽 MX | View on Amazon |
This table covers the intercoolers that cool turbo or supercharger charge air.
One part is listed for the 2018 Audi Q2 — DORMAN 918990.
Radiator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NISSENS Fits: all 2018 Q2 engines | 65303 | 🇲🇽 MX | Brazed cooling fins | View on Amazon |
| NISSENS Fits: all 2018 Q2 engines | 65306 | 🇲🇽 MX | Brazed cooling fins | View on Amazon |
| NISSENS Fits: all 2018 Q2 engines | 65304 | 🇲🇽 MX | Brazed cooling fins | View on Amazon |
| NISSENS Fits: all 2018 Q2 engines | 65328 | 🇲🇽 MX | Brazed 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 4 Radiator parts for the 2018 Audi Q2. All of them fit every engine offered in the 2018 Q2.
Part numbers include NISSENS 65303, NISSENS 65306 and NISSENS 65304, among others listed above.
Thermostat
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT Fits: 1.4L L4 Turbocharged | TH7266105 | 🇲🇽 MX | Does not include seal | View on Amazon |
| CALORSTAT Fits: 1.4L L4 Turbocharged | TH727487 | 🇲🇽 MX | Does not include seal | View on Amazon |
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.
2 Thermostat parts for the 2018 Audi Q2 come from CALORSTAT.
This group includes CALORSTAT TH7266105 and CALORSTAT TH727487.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 1.4L L4 Turbocharged | 332720 | 🇲🇽 MX | Material: FPM (Fluoride Rubber) | View on Amazon |
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.
One part is listed for the 2018 Audi Q2 — ELRING 332720.
Thermostat Housing / Water Outlet
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Fits: 1.4L L4 Turbocharged | CH2074 | 🇲🇽 MX | Thermostat Housing | View on Amazon |
This table covers the housings and outlets the thermostat sits in.
This group shows a single part: MOTORAD CH2074.
Water Pump
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| INA Fits: 1.4L L4 Turbocharged | XW0363 | 🇲🇽 MX | Includes Housing, Thermostat, Connecting Pipe To Engine Cooler, Gasket | View on Amazon |
| PIERBURG Fits: 2.0L L4 Turbocharged | 707152290 | 🇲🇽 MX | Includes GasketMechanical | View on Amazon |
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.
2 Water Pump parts for the 2018 Audi Q2 come from 2 brands — INA and PIERBURG.
Part numbers include INA XW0363 and PIERBURG 707152290.
Buying Cooling System Parts for a 2018 Audi Q2
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.
- Match the engine first. Some cooling system parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- 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 Audi Q2?
Our catalog currently lists 28 cooling system parts for the 2018 Audi Q2 across 9 subcategories and 12 brands, covering both the 1.4L L4 Turbocharged and the 2.0L L4 Turbocharged. Each part is matched to the engine(s) it fits.
Do cooling system parts differ between 2018 Audi Q2 engines?
Some do. 19 parts fit every engine; the other 9 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of cooling system problems on a 2018 Audi Q2?
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 Audi Q2 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 Audi Q2?
First match the engine — each row shows which engine(s) the part fits. 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 Audi Q2
Cooling System Parts for Other Audi Q2 Years
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