1998-2005 Audi A4/A6, Volkswagen Passat Coolant Hose / Line 078121188A
OEM Part #: 078-121-188-A (078121188A)
Actual photo
The exact part you’ll receive — not a stock photo.
$19.99
Used
Donor2003 Volkswagen PASSAT · 2.8L
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Genuine OEM Used
SKU: 702419
Donor Vehicle: 2003 Volkswagen PASSAT · 2.8L
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$19.99
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A used genuine OEM Audi coolant hose / line, part number 078121188A, is now available. This hose carries engine coolant through the system for the 2.8L 2771CC V6 gas engine found in certain Audi A4, A4 Quattro, A6, A6 Quattro, and Volkswagen Passat models. When this hose develops a leak or cracks, it can cause coolant loss and potential overheating.
Specifications
| Fits Vehicle Model | A4, A6, Passat |
| Fits Vehicle Make | Audi, Volkswagen |
| OEM Part No | 078-121-188-A (078121188A) |
| Category | Radiator / Coolant |
Compatible Vehicles
Fits 46 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 46 vehicle configurations — 39 with fitment notes
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2001 | Volkswagen | Passat | Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2003 | Volkswagen | Passat | Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2001 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2005 | Volkswagen | Passat | Wagon | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2005 | Volkswagen | Passat | 4 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 |
| 2000 | Audi | A6 | Quattro Wagon | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2001 | Volkswagen | Passat | 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 |
| 2002 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | |
| 2001 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 1999 | Audi | A6 | Sedan | 2.8L V6 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 025001 |
| 1999 | Volkswagen | Passat | Wagon | 2.8L V6 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 145414; For Vehicles with Engine Code(s) ATQ |
| 1999 | Audi | A6 | Quattro Wagon | 2.8L V6 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 025001; For Vehicles with Engine Code(s) ATQ |
| 2001 | Audi | A6 | Quattro Wagon | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 1999 | Audi | A4 | Quattro Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 1999 | Volkswagen | Passat | Sedan | 2.8L V6 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 145414; For Vehicles with Engine Code(s) ATQ |
| 2000 | Audi | A6 | Quattro Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2001 | Audi | A6 | Quattro Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2000 | Volkswagen | Passat | Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2002 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | |
| 2004 | Volkswagen | Passat | Wagon | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2005 | Volkswagen | Passat | Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 1998 | Audi | A6 | Sedan | 2.8L V6 | |
| 1999 | Audi | A4 | Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2000 | Audi | A6 | Sedan | 2.8L V6 | |
| 1998 | Audi | A6 | Quattro Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2002 | Volkswagen | Passat | Sedan | 2.8L V6 | |
| 1999 | Audi | A4 | Quattro Wagon | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2003 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2000 | Volkswagen | Passat | Wagon | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2005 | Volkswagen | Passat | 4 Wagon | 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 |
| 2000 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2002 | Volkswagen | Passat | Wagon | 2.8L V6 | |
| 2004 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2000 | Volkswagen | Passat | 4 Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 1999 | Audi | A6 | Quattro Sedan | 2.8L V6 | For Vehicles Where Last 6 Digits of VIN Number are Greater Than 025001; For Vehicles with Engine Code(s) ATQ |
| 2001 | Audi | A6 | Sedan | 2.8L V6 | |
| 2003 | Volkswagen | Passat | 4 Wagon | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2001 | Audi | A4 | Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2000 | Audi | A4 | Quattro Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2000 | Audi | A4 | Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2001 | Audi | A4 | Quattro Wagon | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2000 | Audi | A4 | Quattro Wagon | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |
| 2001 | Audi | A4 | Quattro Sedan | 2.8L V6 | For Vehicles with Engine Code(s) ATQ |