1996-2005 Audi / Volkswagen EGR Combi Valve Pipe / Line 078131831N
OEM Part #: 078-131-831-N (078131831N)
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$39.99
Used
Donor2003 Volkswagen PASSAT · 2.8L
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Genuine OEM Used
SKU: 702405
Donor Vehicle: 2003 Volkswagen PASSAT · 2.8L
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$39.99
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Used Audi OEM part 078131831N is an EGR Combi Valve Pipe / Line, also known as the EGR combi valve line. This used genuine part supersedes earlier numbers 078131831E and 078131831B. It connects the exhaust gas recirculation system's combi valve to the pipe assembly. When this EGR line fails, it can cause exhaust leaks or trigger a check engine light related to insufficient EGR flow.
Specifications
| Fits Vehicle Model | A4, A6, Passat |
| Fits Vehicle Make | Audi, Volkswagen |
| OEM Part No | 078-131-831-N (078131831N) |
| Compatible OEM Part No | 078-131-831-E, 078-131-831-B |
| Category | Fuel / Emissions |
Compatible Vehicles
Fits 56 vehicle configurations across 2 makes, 1996-2005.
Check your specific vehicle before ordering.
This list shows year, make, and model. Some years have multiple trims or
engines that use different parts, and individual listings may have
additional fitment notes (e.g. “with sunroof only”). Review
the full variant list below, or
message us with your VIN
and we’ll confirm the match.
View all 56 vehicle configurations — 10 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2000 | Audi | A6 | Quattro Sedan | 2.8L V6 | |
| 2002 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 2001 | Audi | A4 | Quattro Wagon | 2.8L V6 | For Vehicles with Engine Code(s) AHA, ATQ |
| 2000 | Audi | A4 | Sedan | 2.8L V6 | |
| 2000 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2000 | Audi | A4 | Quattro Sedan | 2.8L V6 | For Vehicles with Engine Code(s) AHA, ATQ |
| 1999 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 2005 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | |
| 2002 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2005 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 2004 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 2000 | Audi | A4 | Quattro Wagon | 2.8L V6 | For Vehicles with Engine Code(s) AHA, ATQ |
| 2003 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | |
| 2001 | Audi | A6 | Sedan | 2.8L V6 | |
| 1998 | Audi | A4 | Quattro Wagon | 2.8L V6 | |
| 1999 | Audi | A6 | Quattro Sedan | 2.8L V6 | |
| 2002 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | |
| 2000 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | |
| 2004 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | |
| 2004 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | |
| 2003 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2001 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | |
| 2001 | Audi | A6 | Quattro Sedan | 2.8L V6 | |
| 2001 | Audi | A4 | Quattro Sedan | 2.8L V6 | For Vehicles with Engine Code(s) AHA, ATQ |
| 1999 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2000 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 2001 | Audi | A4 | Sedan | 2.8L V6 | |
| 2000 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | |
| 1998 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 1996 | Audi | A4 | Quattro Sedan | 2.8L V6 | For Vehicles with Engine Code(s) AHA |
| 1997 | Audi | A4 | Sedan | 2.8L V6 | For Vehicles with Engine Code(s) AHA |
| 2004 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2001 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 2003 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 1998 | Audi | A6 | Quattro Sedan | 2.8L V6 | |
| 1998 | Audi | A4 | Wagon | 2.8L V6 | |
| 1999 | Audi | A4 | Quattro Wagon | 2.8L V6 | For Vehicles with Engine Code(s) AHA, ATQ |
| 1996 | Audi | A4 | Sedan | 2.8L V6 | For Vehicles with Engine Code(s) AHA |
| 1998 | Audi | A4 | Quattro Sedan | 2.8L V6 | |
| 1998 | Audi | A4 | Sedan | 2.8L V6 | |
| 2001 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | |
| 1999 | Audi | A4 | Sedan | 2.8L V6 | |
| 1998 | Audi | A6 | Sedan | 2.8L V6 | |
| 1998 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 1997 | Audi | A4 | Quattro Sedan | 2.8L V6 | For Vehicles with Engine Code(s) AHA |
| 2000 | Audi | A6 | Sedan | 2.8L V6 | |
| 2005 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 1999 | Audi | A4 | Quattro Sedan | 2.8L V6 | For Vehicles with Engine Code(s) AHA, ATQ |
| 2001 | Audi | A6 | Quattro Wagon | 2.8L V6 | |
| 1999 | Audi | A6 | Quattro Wagon | 2.8L V6 | |
| 1999 | Audi | A6 | Sedan | 2.8L V6 | |
| 2002 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | |
| 2001 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2005 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | |
| 2000 | Audi | A6 | Quattro Wagon | 2.8L V6 | |
| 2003 | Volkswagen | Passat | 4 Sedan | 2.8L V6 |