This genuine OEM coolant expansion tank is designed for specific Audi R8 and Q7 models, ensuring proper coolant level monitoring and pressure regulation. It prevents overheating and maintains engine cooling system integrity, directly replacing the original part for a perfect fit and reliable performance.
Key Features & Benefits
- OEM Quality: Manufactured to original equipment specifications for exact fit and function.
- Direct Replacement: Simple swap with existing tank; no modifications required.
- Durable Construction: Made from high-quality plastic to withstand engine bay temperatures and pressure.
- Integrated Level Sensor: Works with existing sensor (if equipped) for accurate coolant level readings.
Vehicle Fitment
| Make | Model | Years | Engine |
|---|---|---|---|
| Audi | R8 | 2009–2012 | 5.2V10 |
| Audi | R8 | 2014–2015 | 5.2V10 |
| Audi | R8 | 2008–2012 | 4.2V8 |
| Audi | Q7 | 2011–2015 | 3.0V6 |
Technical Specifications
| Part Number | 420121403 |
| Brand | Genuine VW/Audi |
| Category | Coolant Expansion Tank |
Installation Notes
Easy installation; simply disconnect hoses, remove old tank, and install new one. Refill coolant and bleed system.
About Genuine VW/Audi
Genuine VW/Audi is the OEM brand for Volkswagen Group vehicles, ensuring exact fit and original quality.
This part also goes by the following cross reference.
Cross Reference Part Number: 420121403
Fits These Vehicles
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | R8 | 5.2V10 | 2009–2012 |
| Audi | R8 | 5.2V10 | 2014–2015 |
| Audi | R8 | 4.2V8 | 2008–2012 |
| Audi | R8 | 4.2V8 | 2014–2015 |
| Make | Model | Engine | Years |
|---|---|---|---|
| Audi | Q7 | 3.0V6 | 2011–2015 |