This page lists 50 cooling system parts for the 2019 Audi S3, across 11 part types, covering the 2.0L L4 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2019 Audi S3, 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. Most of the listed parts are Coolant / Antifreeze (16 parts), Coolant Hose Connector / Flange (8 parts) and Coolant Reservoir (5 parts). The other 8 part types cover the remaining 21 parts.
The 2019 Audi S3 came with a single engine, the 2.0L L4 Turbocharged, and every part is verified against it.
22 brands supply cooling system parts for the 2019 Audi S3, led by VAICO (10 parts), REIN (6 parts) and PRESTONE (5 parts), plus 19 more brands. Quality grades include Standard Replacement, Premium and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2019 Audi S3. 7 parts have it, including FVP MV5050GAL (Coolant / Antifreeze) and VAICO V105890 (Coolant Hose Connector / Flange). 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 | 🇺🇸 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 |
| PRESTONE Popular | AF3100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| VALVOLINE Popular | 719009 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Vehicle Yellow1 Gallon | View on Amazon |
| PEAK | BQA1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blue Mountain Long LifeAll Vehicle | 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 | 1 GallonGlobal Lifetime | View on Amazon |
| PRESTONE | AF6510 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | MAX European Violet1 Gallon | View on Amazon |
| PRESTONE | AFMAX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN | ACE010 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | VioletSi-OAT | View on Amazon |
| PEAK | PEV1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OET European Extended Life Violet1 Gallon | View on Amazon |
| PENTOSIN | 8114306 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pentofrost E1 Gallon | View on Amazon |
| PENTOSIN | 8113106 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pentofrost E1.5 Liters | View on Amazon |
| PENTOSIN | 8113206 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pentofrost E5 Liters | View on Amazon |
| VALVOLINE | 904683 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HT-12 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.
16 Coolant / Antifreeze parts are listed for the 2019 Audi S3, from PRESTONE, PEAK, PENTOSIN and 3 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, VALVOLINE and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is FVP MV5050GAL.
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 6 options from PENTOSIN, AISIN, PEAK and 1 other brand — built to original-equipment specification. AISIN ACE010 is listed in this group.
Coolant Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | CHP0663 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pipe | View on Amazon |
| REIN | CHP0793 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pipe | View on Amazon |
| SKP | SK121468 | 🇺🇸 US 🇨🇦 CA | Pipe | View on Amazon |
| VAICO | V105893 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pipe | View on Amazon |
This table covers the hard pipes and extra hoses in the coolant circuit.
4 Coolant Hose / Pipe parts are listed for the 2019 Audi S3, from REIN, SKP and VAICO.
This group includes REIN CHP0663, REIN CHP0793 and SKP SK121468 and the remaining parts above.
Coolant Hose / Pipe Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 16098500 | 🇲🇽 MX | COOLANT PIPE | View on Amazon |
| DORMAN | 47451 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | CoolantCoolant Pipe | View on Amazon |
| FEL-PRO | 36130 | 🇺🇸 US 🇨🇦 CA | COOLANT PIPE | View on Amazon |
| MAHLE / CLEVITE | C32354 | 🇺🇸 US 🇨🇦 CA | RubberEngine Coolant Outlet O-Ring | 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.
4 Coolant Hose / Pipe Seal parts for the 2019 Audi S3 come from 4 brands — AJUSA, DORMAN, FEL-PRO and 1 other brand.
Part numbers include AJUSA 16098500, DORMAN 47451 and FEL-PRO 36130, among others listed above.
Coolant Hose Connector / Flange
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO Popular | V105890 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with moderate hot country [8Z4] or super hot country [8Z9]Upper | View on Amazon |
| VAICO Popular | V107695 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| MOTORAD | CH8056 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes Seal | View on Amazon |
| VAICO | V107696 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VAICO | V106547 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VAICO | V103543 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VAICO | V103535 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VAICO | V107697 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Coolant Hose Connector flanges.
8 Coolant Hose Connector / Flange parts are listed for the 2019 Audi S3, from VAICO and MOTORAD. VAICO V105890 carries the "Popular" badge.
This group includes VAICO V105890, VAICO V107695 and MOTORAD CH8056 and the remaining parts above.
Coolant Hose Flange Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS | 357121140 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Plug Kit with Plug and O-Ring | View on Amazon |
This table covers the Coolant Hose Flange plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.
One part is listed for the 2019 Audi S3 — ÜRO PARTS 357121140.
Coolant Hose Retainer / Clip
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 1470039 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Coolant Hose retainers and clips.
One part is listed for the 2019 Audi S3 — BECK/ARNLEY 1470039.
Coolant Reservoir
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS Popular | 5Q0121407T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| HELLA | 366365551 | 🇺🇸 US | View on Amazon | |
| REIN | EPT0142 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without CAP | View on Amazon |
| TECHPRO | VW3014109 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TECHPRO | VW3014110 | 🇺🇸 US 🇨🇦 CA | Includes Cap | View on Amazon |
This table covers the overflow / expansion tanks that hold extra coolant.
5 Coolant Reservoir parts for the 2019 Audi S3 come from 4 brands — TECHPRO, ÜRO PARTS, HELLA and 1 other brand. The "Popular" part is ÜRO PARTS 5Q0121407T.
This group includes ÜRO PARTS 5Q0121407T, HELLA 366365551 and REIN EPT0142 and the remaining parts above.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT | RC0162 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Maximum Pressure Rating: 23.0 PS | View on Amazon |
| MOTORAD | T93 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Standard | View on Amazon |
| REIN | CPE0039 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
3 Coolant Reservoir Cap parts for the 2019 Audi S3 come from 3 brands — CALORSTAT, MOTORAD and REIN.
Part numbers include CALORSTAT RC0162, MOTORAD T93 and REIN CPE0039.
Intercooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 2711334 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| HELLA | 366471091 | 🇺🇸 US | Fits To 06/03/2019 | View on Amazon |
| NISSENS | 96494 | 🇺🇸 US | View on Amazon | |
| VEMO | V10600077 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with SensorFrom 04/23/2019 | View on Amazon |
This table covers the intercoolers that cool turbo or supercharger charge air.
4 Intercooler parts are listed for the 2019 Audi S3, from GPD, HELLA, NISSENS and 1 other brand.
Listed part numbers: GPD 2711334, HELLA 366471091 and NISSENS 96494, plus the other parts above.
Intercooler Air Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | TCH0334 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pipe to Intercooler (Hot Side) | View on Amazon |
| VAICO | V105759 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VAICO | V10000135 | 🇺🇸 US 🇨🇦 CA | Description: Charge Air cooler To piping | View on Amazon |
This table covers the Intercooler Air Hose pipes.
3 Intercooler Air Hose / Pipe parts are listed for the 2019 Audi S3, from VAICO and REIN.
Part numbers include REIN TCH0334, VAICO V105759 and VAICO V10000135.
Intercooler Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | AVM0728 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Lower | View on Amazon |
This table covers the Intercooler 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.
This group shows a single part: REIN AVM0728.
Buying Cooling System Parts for a 2019 Audi S3
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 2.0L 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 Coolant Hose Connector / Flange .
Frequently Asked Questions
How many cooling system parts fit the 2019 Audi S3?
Our catalog currently lists 50 cooling system parts for the 2019 Audi S3 across 11 subcategories and 22 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2019 Audi S3?
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 2019 Audi S3 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 2019 Audi S3?
Every part on this page is matched to the 2.0L 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 2019 Audi S3
Cooling System Parts for Other Audi S3 Years
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