Thermostat Housing 078121121K for Audi, Volkswagen OEM Part #: 078-121-121-K This item ships free!

Thermostat Housing 078121121K for Audi, Volkswagen

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Current Parts In Stock:
Genuine OEM | Used
$55.49
This part comes as shown in the picture(s).
Genuine OEM | Used
$55.49
This part comes as shown in the picture(s).
Genuine OEM | Used
$59.99
This part comes as shown in the picture(s).
Ensure your engine runs at optimal temperature with this genuine OEM Thermostat Housing, part number 078121121K. Sourced from quality salvage vehicles, this part is a direct replacement for the thermostat housing on specific Volkswagen and Audi models. It fits 2001-2005 Volkswagen Passat (2.8L V6) and 2001-2005 Audi A6 (2.7L, 2.8L V6) as well as the Allroad Quattro. The thermostat housing plays a crucial role in regulating coolant flow, preventing overheating and ensuring efficient engine operation. Common issues this part resolves include leaks or failure to open/close, which can lead to engine overheating. Don’t compromise on performance—choose authentic OEM parts for reliability.

More Information about Thermostat Housing 078121121K

Fits Vehicle Model:

A6, A6 Quattro, Allroad Quattro, Passat

Fits Vehicle Make:

Audi, Volkswagen

OEM Part No:

078121121K (078-121-121-K)

Compatible Vehicles for Thermostat Housing 078121121K

Year: 2001
Make: Audi
Model: A6
Trim: Sedan
Engine: 2.8L V6
Restrictions:
Year: 2005
Make: Volkswagen
Model: Passat
Trim: Sedan
Engine: 2.8L V6
Restrictions: For Vehicles with Engine Code(s) ATQ
Year: 2003
Make: Volkswagen
Model: Passat
Trim: Sedan
Engine: 2.8L V6
Restrictions: For Vehicles with Engine Code(s) ATQ
Year: 2001
Make: Volkswagen
Model: Passat
Trim: 4 Sedan
Engine: 2.8L V6
Restrictions:
Year: 2002
Make: Audi
Model: Allroad
Trim: Quattro Wagon
Engine: 2.7L V6 Turbo
Restrictions:
Year: 2005
Make: Volkswagen
Model: Passat
Trim: Wagon
Engine: 2.8L V6
Restrictions: For Vehicles with Engine Code(s) ATQ
Year: 2005
Make: Volkswagen
Model: Passat
Trim: 4 Sedan
Engine: 2.8L V6
Restrictions: For Vehicles with Engine Code(s) ATQ
Year: 2001
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 2.8L V6
Restrictions: For Vehicles Where Last 6 Digits of VIN Number are Greater Than 007001
Year: 2004
Make: Volkswagen
Model: Passat
Trim: Wagon
Engine: 2.8L V6
Restrictions: For Vehicles with Engine Code(s) ATQ
Year: 1998
Make: Audi
Model: A6
Trim: Sedan
Engine: 2.8L V6
Restrictions:
Year: 2005
Make: Audi
Model: Allroad
Trim: Quattro Wagon
Engine: 2.7L V6 Turbo
Restrictions:
Year: 2001
Make: Audi
Model: A6
Trim: Quattro Wagon
Engine: 2.8L V6
Restrictions: For Vehicles Where Last 6 Digits of VIN Number are Greater Than 007001
Year: 1999
Make: Audi
Model: A6
Trim: Sedan
Engine: 2.8L V6
Restrictions:
Year: 2001
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 2.7L V6 Turbo
Restrictions: For Vehicles Where Last 6 Digits of VIN Number are Greater Than 007001
Year: 2002
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 2.7L V6 Turbo
Restrictions:
Year: 2002
Make: Volkswagen
Model: Passat
Trim: 4 Wagon
Engine: 2.8L V6
Restrictions:
Year: 2000
Make: Audi
Model: A6
Trim: Sedan
Engine: 2.8L V6
Restrictions:
Year: 2004
Make: Volkswagen
Model: Passat
Trim: Sedan
Engine: 2.8L V6
Restrictions: For Vehicles with Engine Code(s) ATQ
Year: 2003
Make: Volkswagen
Model: Passat
Trim: 4 Sedan
Engine: 2.8L V6
Restrictions: For Vehicles with Engine Code(s) ATQ
Year: 2005
Make: Volkswagen
Model: Passat
Trim: 4 Wagon
Engine: 2.8L V6
Restrictions: For Vehicles with Engine Code(s) ATQ
Year: 2003
Make: Audi
Model: Allroad
Trim: Quattro Wagon
Engine: 2.7L V6 Turbo
Restrictions:
Year: 2002
Make: Volkswagen
Model: Passat
Trim: Wagon
Engine: 2.8L V6
Restrictions:
Year: 2001
Make: Audi
Model: Allroad
Trim: Quattro Wagon
Engine: 2.7L V6 Turbo
Restrictions:
Year: 1998
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 2.8L V6
Restrictions:
Year: 2002
Make: Volkswagen
Model: Passat
Trim: Sedan
Engine: 2.8L V6
Restrictions:
Year: 2003
Make: Volkswagen
Model: Passat
Trim: 4 Wagon
Engine: 2.8L V6
Restrictions: For Vehicles with Engine Code(s) ATQ
Year: 2004
Make: Audi
Model: Allroad
Trim: Quattro Wagon
Engine: 2.7L V6 Turbo
Restrictions:
Year: 2004
Make: Volkswagen
Model: Passat
Trim: 4 Wagon
Engine: 2.8L V6
Restrictions: For Vehicles with Engine Code(s) ATQ
Year: 2004
Make: Volkswagen
Model: Passat
Trim: 4 Sedan
Engine: 2.8L V6
Restrictions: For Vehicles with Engine Code(s) ATQ
Year: 2001
Make: Volkswagen
Model: Passat
Trim: Sedan
Engine: 2.8L V6
Restrictions:
Year: 2001
Make: Volkswagen
Model: Passat
Trim: 4 Wagon
Engine: 2.8L V6
Restrictions:
Year: 2001
Make: Volkswagen
Model: Passat
Trim: Wagon
Engine: 2.8L V6
Restrictions:
Year: 2003
Make: Volkswagen
Model: Passat
Trim: Wagon
Engine: 2.8L V6
Restrictions: For Vehicles with Engine Code(s) ATQ
Year: 2002
Make: Volkswagen
Model: Passat
Trim: 4 Sedan
Engine: 2.8L V6
Restrictions:
Year: 2003
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 2.7L V6 Turbo
Restrictions:
Year: 2004
Make: Audi
Model: A6
Trim: Quattro Sedan
Engine: 2.7L V6 Turbo
Restrictions:
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