2009-2011 Audi A6 Coolant Reservoir / Tank / Bottle 4F0121403T
OEM Part #: 4F0-121-403-T (4F0121403T)
This page covers one exact OEM part number. Every unit we stocked has sold.
We may be able to get another
Used OEM parts are one-of-a-kind. We sometimes get another when we dismantle a matching vehicle, but we can’t say when — browse what’s in stock now:
Other Coolant Reservoir / Tank that may fit your vehicle
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This OEM coolant reservoir tank (Part Number 4F0121403T) is a genuine replacement part sourced from a 2010-2011 Audi A6 Quattro with a 3.0L V6 engine. Located in the engine bay, this expansion tank plays a crucial role in maintaining proper coolant levels, preventing overheating and facilitating efficient engine operation. Common issues, such as leaks or cracks in worn-out reservoirs, can lead to engine performance problems. This part is compatible with various body styles, including Avant and Base trims. Other compatible part numbers include 8E0121321, 4F0145925A, and more. Trust in the reliability of authentic factory-original components for your vehicle's cooling system.
Specifications
| Fits Vehicle Model | A6 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4F0-121-403-T (4F0121403T) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 6 vehicle configurations across 1 make, 2009-2011.
View all 6 vehicle configurations — 6 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2009 | Audi | A6 | Quattro Wagon | 3.0L V6 Supercharged | For Vehicles with Engine Code(s) CAJA, CCAA |
| 2009 | Audi | A6 | Quattro Sedan | 3.0L V6 Supercharged | For Vehicles with Engine Code(s) CAJA, CCAA |
| 2010 | Audi | A6 | Quattro Wagon | 3.0L V6 Supercharged | For Vehicles with Engine Code(s) CAJA, CCAA |
| 2010 | Audi | A6 | Quattro Sedan | 3.0L V6 Supercharged | For Vehicles with Engine Code(s) CAJA, CCAA |
| 2011 | Audi | A6 | Quattro Wagon | 3.0L V6 Supercharged | For Vehicles with Engine Code(s) CAJA, CCAA |
| 2011 | Audi | A6 | Quattro Sedan | 3.0L V6 Supercharged | For Vehicles with Engine Code(s) CAJA, CCAA |