9 Cooling system parts are listed for the 2023 Audi RS5, in 5 part types, covering the 2.9L V6 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2023 Audi RS5, 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 Radiator (4 parts), Coolant Reservoir Cap (2 parts) and Coolant Reservoir (1 part). The other 2 part types cover the remaining 2 parts.
Every part on this page is matched to the 2.9L V6 Turbocharged — the only engine offered in the 2023 Audi RS5.
The most listed brands for 2023 Audi RS5 cooling system parts are REIN (2 parts), MAHLE / CLEVITE (2 parts) and MARELLI (2 parts), plus 3 more brands.
Each part number listed for the 2023 Audi RS5 opens a page with every vehicle that part fits.
Coolant Reservoir
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | EPT0271 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without CAP | View on Amazon |
This table covers the overflow / expansion tanks that hold extra coolant.
One part is listed for the 2023 Audi RS5 — REIN EPT0271.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | T111 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Standard | View on Amazon |
| ÜRO PARTS | 4M0121321Q | 🇺🇸 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.
2 Coolant Reservoir Cap parts are listed for the 2023 Audi RS5, from MOTORAD and ÜRO PARTS.
This group includes MOTORAD T111 and ÜRO PARTS 4M0121321Q.
Intercooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | CI671000P | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AluminiumBrazed cooling fins | View on Amazon |
This table covers the intercoolers that cool turbo or supercharger charge air.
This group shows a single part: MAHLE / CLEVITE CI671000P.
Radiator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | CR960000S | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Brazed cooling fins | View on Amazon |
| MARELLI | BM2176M | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RS5 Base Model | View on Amazon |
| MARELLI | BM2177M | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RS5 Base Model | View on Amazon |
| NISSENS | 606578 | 🇺🇸 US 🇨🇦 CA 🇲🇽 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.
4 Radiator parts for the 2023 Audi RS5 come from 3 brands — MARELLI, MAHLE / CLEVITE and NISSENS.
Listed part numbers: MAHLE / CLEVITE CR960000S, MARELLI BM2176M and MARELLI BM2177M, plus the other parts above.
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 2023 Audi RS5 — REIN AVM0729.
Buying Cooling System Parts for a 2023 Audi RS5
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 2.9L V6 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: Radiator and Coolant Reservoir Cap .
Frequently Asked Questions
How many cooling system parts fit the 2023 Audi RS5?
Our catalog currently lists 9 cooling system parts for the 2023 Audi RS5 across 5 subcategories and 6 brands, covering the 2.9L V6 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2023 Audi RS5?
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 2023 Audi RS5 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 2023 Audi RS5?
Every part on this page is matched to the 2.9L V6 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 2023 Audi RS5
Cooling System Parts for Other Audi RS5 Years
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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.