Audi A6/S4 Coolant Supply Pipe / Tube / Line 079121071AA
OEM Part #: 079-121-071-AA (079121071AA)
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:
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This OEM coolant supply pipe (part number 079121071AA) is an essential component for maintaining the engine's temperature regulation in several Audi models, including the 2005-2009 Audi S4, 2008 Audi RS4, and the 2005-2008 Audi A6 Quattro with 4.2L V8 engines. Also known as the engine coolant crossover pipe or water pipe, it facilitates the flow of coolant to ensure optimal engine performance. Common issues such as coolant leaks or overheating can often be traced back to a damaged or worn supply pipe. With precise fitment and durability, this genuine part guarantees reliability, sourced directly from salvage vehicles. Additional compatible part numbers include 079121071R and several others for ease of replacement.
Specifications
| Fits Vehicle Model | A6, S4 |
| Fits Vehicle Make | Audi |
| OEM Part No | 079-121-071-AA (079121071AA) |
| Compatible OEM Part No | 079-121-071-R |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 20 vehicle configurations across 1 make, 2004-2009.
View all 20 vehicle configurations — 6 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2004 | Audi | S4 | Wagon | 4.2L V8 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 189001 |
| 2004 | Audi | S4 | Sedan | 4.2L V8 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 189001 |
| 2004 | Audi | S4 | Convertible | 4.2L V8 | |
| 2005 | Audi | A6 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BNK |
| 2005 | Audi | S4 | Wagon | 4.2L V8 | |
| 2005 | Audi | S4 | Sedan | 4.2L V8 | |
| 2005 | Audi | S4 | Convertible | 4.2L V8 | |
| 2006 | Audi | A6 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BNK |
| 2006 | Audi | S4 | Wagon | 4.2L V8 | |
| 2006 | Audi | S4 | Sedan | 4.2L V8 | |
| 2006 | Audi | S4 | Convertible | 4.2L V8 | |
| 2007 | Audi | A6 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BNK |
| 2007 | Audi | S4 | Wagon | 4.2L V8 | |
| 2007 | Audi | S4 | Sedan | 4.2L V8 | |
| 2007 | Audi | S4 | Convertible | 4.2L V8 | |
| 2008 | Audi | A6 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BNK |
| 2008 | Audi | S4 | Wagon | 4.2L V8 | |
| 2008 | Audi | S4 | Sedan | 4.2L V8 | |
| 2008 | Audi | S4 | Convertible | 4.2L V8 | |
| 2009 | Audi | S4 | Convertible | 4.2L V8 |