2004-2007 Audi A8 Coolant Pipe / Line 4E0121399B
OEM Part #: 4E0-121-399-B (4E0121399B)
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Ensure your Audi A8 Quattro from 2004 to 2007 operates at peak efficiency with this genuine OEM coolant pipe, part number 4E0121399B. Located within the engine compartment, this essential component channels coolant through the system, helping maintain optimal engine temperatures. Worn or damaged coolant pipes can lead to overheating, leaks, or coolant flow issues. By replacing your faulty coolant line with this authentic manufacturer part, you can alleviate common problems associated with cooling system failures and ensure reliability in your vehicle's performance. Trust in this factory-original part sourced directly from donor vehicles to keep your A8 Quattro running smoothly.
Specifications
| Fits Vehicle Model | A8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 4E0-121-399-B (4E0121399B) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 7 vehicle configurations across 1 make, 2004-2007.
View all 7 vehicle configurations — 7 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2005 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM |
| 2007 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM |
| 2006 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM |
| 2006 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM |
| 2007 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM |
| 2004 | Audi | A8 | Quattro L Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM |
| 2005 | Audi | A8 | Quattro Sedan | 4.2L V8 | For Vehicles with Engine Code(s) BFM |