Four Seasons 85922 Engine Coolant Thermostat Housing

Thermostat Housing for VW and Audi Cooling Systems

Four Seasons Thermostat Housing 85922 is an engine coolant thermostat housing built from black plastic with the gasket or seal included. It is an OE-style replacement for select Volkswagen and Audi applications and meets or exceeds OEM requirements for the listed fitments.

Key Features

• Engine coolant thermostat housing, style without thermostat
• Plastic construction with black finish
• Gasket or seal included for service replacement
• Inlet port diameter: 1.271 in.
• Bolt hole center to bolt hole center: 2.58 in.
• Flange thickness: 0.468 in.
• Overall height: 3.785 in.
• Meets or exceeds OEM specifications

Product Details

This Four Seasons Thermostat Housing line part is built for cooling-system service where the original housing has cracked, warped, or begun leaking. Part number 85922 is a thermostat housing only, with no thermostat included, and it is shaped for direct replacement on select Volkswagen Eos, Audi A3 Quattro, Audi TT Quattro, Volkswagen GTI, Volkswagen R32, Volkswagen Touareg, Volkswagen Golf, Volkswagen Jetta, and Volkswagen EuroVan applications. This part cross-references Genuine 022121117C for the same application.

The Four Seasons Thermostat Housing line focuses on engine coolant components that match the fit and function expected in OE repair work. For buyers searching for a thermostat housing for 2000 Volkswagen Jetta, a thermostat housing for 2004-2009 Audi TT Quattro, or a thermostat housing for 2007-2008 Volkswagen Eos, this housing provides the listed dimensions and included seal needed for a proper cooling-system repair.

Common Problems This Part Can Address

• Coolant leaks at the thermostat housing
• Cracked or brittle plastic housing failure
• Warped sealing surfaces that allow seepage
• Overheating caused by housing-related coolant loss
• Service replacement after thermostat housing removal

Installation Notes and Tips

Verify the inlet port diameter, bolt-hole spacing, flange thickness, and overall height against the original housing before installation. This part is listed without a thermostat, so transfer or replace the thermostat separately as needed. Clean the mating surfaces thoroughly and inspect adjacent coolant hoses and clamps before reassembly. Confirm vehicle-specific fitment for 2011-2012 Volkswagen Eos, 2006-2009 Audi A3 Quattro, 2004-2009 Audi TT Quattro, 2009 Volkswagen GTI, 2008 Volkswagen R32, 2004-2006 Volkswagen Touareg, 1999-2005 Volkswagen Golf, 2000-2004 Volkswagen Jetta, and 2001-2003 Volkswagen EuroVan.

Quality Assurance

Four Seasons lists this thermostat housing as meeting or exceeding OEM requirements for the specified applications, supporting a direct-fit repair approach for cooling-system maintenance.