Dorman 902-920 Engine Coolant Thermostat Housing Assembly - Cylinder Head

Engine Coolant Thermostat Housing Assembly

Dorman 902-920 is a replacement engine coolant thermostat housing assembly built to match the fit and durability of the original housing on specified vehicles. It includes the thermostat and a rubber gasket seal, with a black plastic housing designed to handle repeated temperature swings in the cooling system.

Compatible with select Audi A3, Audi A3 Quattro, Audi TT Quattro, Volkswagen Eos, Volkswagen Golf, Volkswagen Jetta, Volkswagen EuroVan, and Volkswagen R32 applications, this thermostat housing assembly supports direct replacement service for the cylinder head cooling circuit. Part number 902-920 is also referenced for related OE-style applications.

Key Features

• Black plastic thermostat housing assembly for engine coolant service
• Includes thermostat with 176 Deg. F opening temperature
• Rubber gasket seal included for the housing interface
• Three outlet ports for the specified cooling system layout
• No mounting hardware included
• Complete thermostat housing assembly with out sensors

Detailed Description

This Dorman thermostat housing assembly is engineered as a direct replacement for the stock housing used on select Audi and Volkswagen vehicles. It is built from plastic and configured with three outlet ports, a sealed housing design, and an included thermostat to restore proper coolant routing at the cylinder head. The 176 Deg. F thermostat opening temperature matches the specified cooling system calibration for the listed applications. Part number 902-920 is a practical replacement choice when servicing the thermostat housing on a Volkswagen Jetta, Volkswagen Golf, or Audi A3 cooling system.

Common Repair Uses

• Cracked or warped thermostat housing
• Coolant leaks at the housing or seal surface
• Sticking thermostat causing temperature control issues
• Cooling system service on the cylinder head
• Replacement of a worn OE-style housing assembly

Installation Notes and Tips

Verify engine code and fitment before installation, since this housing is listed for specific Audi and Volkswagen models and positions. Inspect the mating surface, replace contaminated coolant, and confirm all hose connections are secure after installation. Mounting hardware is not included, and the assembly is listed without sensors.

Quality Assurance

Dorman designs this replacement housing to match the fit and durability of the original part and to withstand extreme temperature changes for extended service life. This part cross-references Gates (e.g., CO34877) for the same application.