1998-2005 Audi / Volkswagen Engine Valley Pan Cover 078103773D
OEM Part #: 078-103-773-D (078103773D)
Actual photo
The exact part you’ll receive — not a stock photo.
$34.49
Used
Donor2000 Audi A4 · 2.8L
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Genuine OEM Used
SKU: 669156
Donor Vehicle: 2000 Audi A4 · 2.8L
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$34.49
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The Audi 078103773D Engine Valley Pan Cover is a used OEM piece designed for 2.7L turbocharged and 2.8L naturally aspirated V6 engines. This genuine cover, also superseding 078103773C and 078103773F, seals the valley between cylinder heads to prevent oil leaks. A common failure is cracking from heat cycles, leading to external oil seepage or vacuum leaks on turbo models.
Specifications
| Fits Vehicle Model | A4, A6, Allroad, Passat, S4 |
| Fits Vehicle Make | Audi, Volkswagen |
| OEM Part No | 078-103-773-D (078103773D) |
| Compatible OEM Part No | 078-103-773-C, 078-103-773-F |
| Category | Other |
Compatible Vehicles
Fits 67 vehicle configurations across 2 makes, 1998-2005.
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 67 vehicle configurations — 23 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 1999 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 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 |
| 2005 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2002 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2005 | Volkswagen | Passat | Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2004 | Volkswagen | Passat | Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2003 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2001 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | |
| 2000 | Audi | A6 | Quattro Sedan | 2.7L V6 Turbo | |
| 2001 | Audi | A4 | Quattro Wagon | 2.8L V6 | For Vehicles with Engine Code(s) AHA, ATQ |
| 2001 | Audi | A6 | Quattro Sedan | 2.7L V6 Turbo | |
| 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 | For Vehicles with Engine Code(s) ATQ |
| 2004 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2003 | Volkswagen | Passat | Wagon | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2001 | Audi | A6 | Quattro Sedan | 2.8L V6 | |
| 2000 | Audi | A6 | Quattro Sedan | 2.8L V6 | |
| 2001 | Audi | A6 | Sedan | 2.8L V6 | |
| 2002 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 2000 | Audi | A4 | Quattro Wagon | 2.8L V6 | For Vehicles with Engine Code(s) AHA, ATQ |
| 2001 | Audi | A4 | Quattro Sedan | 2.8L V6 | For Vehicles with Engine Code(s) AHA, ATQ |
| 2000 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 2005 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | |
| 1998 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 1999 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2000 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | |
| 2001 | Audi | A4 | Sedan | 2.8L V6 | |
| 2001 | Audi | A6 | Quattro Wagon | 2.8L V6 | |
| 1999 | Audi | A4 | Quattro Wagon | 2.8L V6 | For Vehicles with Engine Code(s) AHA, ATQ |
| 2004 | Volkswagen | Passat | Wagon | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2003 | Audi | A6 | Quattro Sedan | 2.7L V6 Turbo | |
| 2001 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 2003 | Volkswagen | Passat | Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2001 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | |
| 1998 | Audi | A6 | Quattro Sedan | 2.8L V6 | |
| 2001 | Audi | S4 | Wagon | 2.7L V6 Turbo | For Vehicles with Engine Code(s) APB |
| 2003 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | |
| 1998 | Audi | A4 | Wagon | 2.8L V6 | |
| 1998 | Audi | A4 | Quattro Sedan | 2.8L V6 | |
| 1998 | Audi | A4 | Sedan | 2.8L V6 | |
| 2001 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | |
| 2000 | Audi | S4 | Sedan | 2.7L V6 Turbo | For Vehicles with Engine Code(s) APB |
| 1999 | Audi | A4 | Sedan | 2.8L V6 | |
| 1998 | Audi | A6 | Sedan | 2.8L V6 | |
| 2002 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | |
| 1998 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2000 | Audi | A6 | Sedan | 2.8L V6 | |
| 2002 | Audi | A6 | Quattro Sedan | 2.7L V6 Turbo | |
| 2004 | Audi | A6 | Quattro Sedan | 2.7L V6 Turbo | |
| 2005 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 1999 | Audi | A6 | Quattro Wagon | 2.8L V6 | |
| 1999 | Audi | A6 | Sedan | 2.8L V6 | |
| 2002 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | |
| 2001 | Audi | S4 | Sedan | 2.7L V6 Turbo | For Vehicles with Engine Code(s) APB |
| 2001 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2000 | Audi | A6 | Quattro Wagon | 2.8L V6 | |
| 2005 | Volkswagen | Passat | Wagon | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2004 | Audi | Allroad | Quattro Wagon | 2.7L V6 Turbo | |
| 2002 | Audi | S4 | Sedan | 2.7L V6 Turbo | For Vehicles with Engine Code(s) APB |
| 2002 | Audi | S4 | Wagon | 2.7L V6 Turbo | For Vehicles with Engine Code(s) APB |
| 2003 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 1999 | Audi | A4 | Quattro Sedan | 2.8L V6 | For Vehicles with Engine Code(s) AHA, ATQ |