Motorad 914-198 Engine Coolant Thermostat Housing Assembly

Integrated Housing Thermostat for Audi Cooling Systems

Motorad 914-198 is an engine coolant thermostat housing assembly built for OE-style cooling system service. It combines the thermostat, housing, and seal in one integrated unit for 2002-2006 Audi A4, A4 Quattro, A6, and A6 Quattro applications with a 198 Deg. F opening temperature.

The Motorad Integrated Housing Thermostat line focuses on direct-fit cooling components that follow OEM specifications and processes. For Audi A4 Quattro and Audi A6 Quattro service, this product line provides a housing-based thermostat solution with the correct outlet size, seal design, and temperature calibration for the listed applications.

Key Features

• Engine coolant thermostat housing assembly with integrated housing design
• OE-specified 198 Deg. F opening temperature
• Includes thermostat, housing, and rubber seal
• Aluminum, stainless steel, and copper construction
• 1.26 in outlet diameter with 1 outlet port
• 2 bolt holes for direct mounting
• Silver finish
• Manufactured to OEM specifications and processes
• Copper case and wax compound for quick response to coolant temperature changes
• Offset design and air relief valve included where applicable

Detailed Description

Motorad 914-198 is an integrated housing thermostat assembly for Audi cooling system repair. It is built with OEM-quality materials and safety standards by an OE supplier, using a copper case and wax compound to react quickly to coolant temperature changes. The assembly includes the thermostat housing and rubber seal, helping restore proper coolant flow control in the engine cooling circuit.

Compatible With 2002-2006 Audi A4, 2002-2005 Audi A4 Quattro, 2002-2006 Audi A6, and 2002-2006 Audi A6 Quattro applications. This part cross-references Dorman - OE Solutions 902-5167 and Gates 34783 for the same application. Motorad 914-198 is also referenced by OE-style part number 06C121111E.

Common Cooling System Issues

• Engine running too cool or too hot due to thermostat control problems
• Coolant temperature fluctuation during normal driving
• Housing or seal leakage at the thermostat assembly
• Delayed warm-up after cold starts
• Cooling system service needs on Audi A4, A4 Quattro, A6, and A6 Quattro models

Installation Notes and Tips

Verify the 198 Deg. F temperature rating and outlet diameter before installation. Inspect the mating surfaces, replace worn coolant, and confirm the rubber seal seats correctly in the housing. This assembly uses 2 bolt holes and does not include bolts or mounting hardware, so reuse or source the required fasteners as needed for the vehicle.

Quality Assurance

Motorad manufactures this thermostat housing assembly to OEM specifications with OE-supplier quality materials and processes. The design is intended to meet the demands of modern automotive cooling systems while maintaining the correct temperature control for the listed Audi applications.