This page lists 39 cooling system parts for the 2021 Audi RS Q8, across 11 part types, covering the 4.0L V8 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
The cooling system system on the 2021 Audi RS Q8 keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. The largest groups are Coolant / Antifreeze (15 parts), Water Pump (7 parts) and Temperature Sender / Sensor (4 parts). The other 8 part types cover the remaining 13 parts.
Every part on this page is matched to the 4.0L V8 Turbocharged — the only engine offered in the 2021 Audi RS Q8.
The most listed brands for 2021 Audi RS Q8 cooling system parts are PRESTONE (6 parts), PEAK (4 parts) and PENTOSIN (3 parts), plus 18 more brands. Quality grades include Standard Replacement, Premium and Economy.
5 parts on this 2021 Audi RS Q8 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including PRESTONE AF3100 (Coolant / Antifreeze) and BECK/ARNLEY 1312513 (Water Pump). Click any part number to see 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 |
|---|---|---|---|---|
| PRESTONE Popular | AF3100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| PEAK | BQA1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blue Mountain Long LifeAll Vehicle | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AFC12100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | All Vehicles10yr/300k mi | View on Amazon |
| PRESTONE Popular | AF6510 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | MAX European Violet1 Gallon | 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 | 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.
15 Coolant / Antifreeze parts for the 2021 Audi RS Q8 come from 5 brands — PRESTONE, PEAK, PENTOSIN and 2 other brands. The "Popular" part is PRESTONE AF3100.
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 2 options from PRESTONE and PEAK — the catalog's value-priced group. PRESTONE AF3100 is listed in this group.
In the Heavy Duty grade, PRESTONE supplies 1 part: rated for severe service. A representative part number is PRESTONE AFC12100.
In the Premium grade, PRESTONE and PEAK supply 5 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.
In the Standard Replacement grade, PENTOSIN, AISIN, PEAK and 1 other brand supply 6 parts: built to original-equipment specification. A representative part number is AISIN ACE010.
Coolant Hose / Pipe
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 9365501 | 🇺🇸 US 🇨🇦 CA | Pipe | View on Amazon |
| DORMAN | 9365502 | 🇺🇸 US 🇨🇦 CA | Pipe | View on Amazon |
This table covers the hard pipes and extra hoses in the coolant circuit.
2 Coolant Hose / Pipe parts for the 2021 Audi RS Q8 come from DORMAN.
This group includes DORMAN 9365501 and DORMAN 9365502.
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.
This group shows a single part: ÜRO PARTS 357121140.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | T111 | 🇺🇸 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.
One part is listed for the 2021 Audi RS Q8 — MOTORAD T111.
Radiator Fan Assembly
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10010013 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LeftFrom 09/07/2020 | View on Amazon |
| VEMO | V10010014 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits RightFrom 09/07/2020 | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
VEMO supplies both parts for the 2021 Audi RS Q8.
Part numbers include VEMO V10010013 and VEMO V10010014.
Radiator Insulator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VNE | 41000073 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Upper | View on Amazon |
| VNE | 41000074 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Lower | View on Amazon |
This table covers the Radiator insulators.
VNE supplies both parts for the 2021 Audi RS Q8.
Part numbers include VNE 41000073 and VNE 41000074.
Radiator Insulator Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | AVM0730 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Radiator Insulator sleeves.
One part is listed for the 2021 Audi RS Q8 — REIN AVM0730.
Radiator Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | AVM0729 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Upper | View on Amazon |
This table covers the Radiator 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.
One part is listed for the 2021 Audi RS Q8 — REIN AVM0729.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 1814521 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Straight Connector | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NISSENS | 207067 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Oval Connector, bolted connection | View on Amazon |
| STANDARD MOTOR PRODUCTS | TX275 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Attachment Method: Bolt On | View on Amazon |
| WALKER PRODUCTS | 2112035 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Sensor Only | 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.
4 Temperature Sender / Sensor parts for the 2021 Audi RS Q8 come from 4 brands — GPD, NISSENS, STANDARD MOTOR PRODUCTS and 1 other brand.
The Economy section: 1 option from GPD. GPD 1814521 is listed in this group.
Standard Replacement: 3 parts, from NISSENS, STANDARD MOTOR PRODUCTS and WALKER PRODUCTS. A representative part number is NISSENS 207067.
This group includes GPD 1814521, NISSENS 207067 and STANDARD MOTOR PRODUCTS TX275 and the remaining parts above.
Thermostat
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN | THRVG0018 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes Thermostat Seal | View on Amazon |
| CALORSTAT | TE7368107J | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 225.0 F Degrees | View on Amazon |
| MOTORAD | 1331225 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes housings, sensor, 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.
3 Thermostat parts are listed for the 2021 Audi RS Q8, from AISIN, CALORSTAT and MOTORAD.
Listed part numbers: AISIN THRVG0018, CALORSTAT TE7368107J and MOTORAD 1331225.
Water Pump
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular | 1312513 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Engine CoolingAuxiliaryor HVAC System | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular | 41568E | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Electric | View on Amazon |
| FOUR SEASONS | 89087 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearAuxiliary | View on Amazon |
| FOUR SEASONS | 89084 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AuxiliaryHeater Water Pump | View on Amazon |
| NISSENS | 832121 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Engine CoolingAuxiliaryor HVAC System | View on Amazon |
| PIERBURG | 708002060 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Electric | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 358304701 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Engine CoolingAuxiliaryor HVAC System | 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.
7 Water Pump parts are listed for the 2021 Audi RS Q8, from FOUR SEASONS, BECK/ARNLEY, GATES and 3 other brands. BECK/ARNLEY 1312513 carries the "Popular" badge.
Economy: 1 part, from BECK/ARNLEY. A representative part number is BECK/ARNLEY 1312513.
The Standard Replacement section: 5 options from FOUR SEASONS, GATES, NISSENS and 1 other brand. GATES 41568E is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
This group includes BECK/ARNLEY 1312513, GATES 41568E and FOUR SEASONS 89087 and the remaining parts above.
Buying Cooling System Parts for a 2021 Audi RS Q8
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 4.0L V8 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 Water Pump .
Frequently Asked Questions
How many cooling system parts fit the 2021 Audi RS Q8?
Our catalog currently lists 39 cooling system parts for the 2021 Audi RS Q8 across 11 subcategories and 21 brands, covering the 4.0L V8 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2021 Audi RS Q8?
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 2021 Audi RS Q8 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 2021 Audi RS Q8?
Every part on this page is matched to the 4.0L V8 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 2021 Audi RS Q8
Cooling System Parts for Other Audi RS Q8 Years
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.