URO 079121115BG Engine Coolant Thermostat Housing Assembly

Engine Coolant Thermostat Housing Assembly

This URO engine coolant thermostat housing assembly is a direct-fit replacement for select Audi cooling systems. It is built for European vehicle applications and uses a gasketed design with a bleeder hole for service-friendly coolant bleeding. Part number 079121115BG is listed for Audi RS5, Audi A8 Quattro, and Audi S5 applications.

Key Features

• Made from PPA GF30 for a durable plastic housing construction.
• Includes a gasket for sealing at installation.
• Bleeder hole helps release trapped air during coolant service.
• New, regular-grade replacement part.
• Black finish matches the original-style housing appearance.

Detailed Description

URO 079121115BG is an engine coolant thermostat housing assembly engineered as a replacement for select Audi models. The housing is molded from PPA GF30 material and includes one outlet port, five mounting holes, and a gasketed sealing surface. This configuration supports proper coolant routing and a secure seal in applications that require thermostat housing replacement. The part number 079121115BG is also cross-referenced to Dorman OE Solutions 902-5873 for the same application.

URO Parts focuses on replacement components for European vehicles, and the URO Premium line adds upgraded problem-solving designs where original parts are known to fail. For buyers servicing an Audi RS5, Audi A8 Quattro, or Audi S5, this housing provides a direct replacement path for the cooling system assembly.

What It Is Used For

• Replacing a cracked or leaking thermostat housing.
• Restoring coolant sealing at the thermostat assembly.
• Addressing air trapped in the cooling system during service.
• Correcting coolant loss caused by a worn gasketed housing.
• Servicing cooling system faults on Audi RS5, Audi A8 Quattro, and Audi S5 applications.

Installation Notes and Tips

Verify fitment by year and application before installation. This housing includes a gasket, but mounting hardware is not included. Clean the sealing surfaces thoroughly and follow the vehicle service procedure when bleeding the cooling system through the bleeder hole. Confirm the thermostat and sensor configuration matches the listed application notes for your Audi RS5, Audi A8 Quattro, or Audi S5.

Quality Assurance

URO Parts replacement components are manufactured to meet or exceed OEM specifications. The URO Premium line is backed by an unlimited mileage, lifetime warranty.