Motorad 580-176 Engine Coolant Thermostat Housing Assembly

Integrated Housing Thermostat for VW and Audi

Motorad 580-176 is an engine coolant thermostat housing assembly built for vehicles that use an integrated thermostat and housing design. It combines the thermostat, housing, and seal in one OE-style service part for Audi TT, Audi A3, Volkswagen Golf, GTI, Jetta, Passat, Eos, Bora, and Golf R applications with a 176 Deg. F opening temperature.

Key Features

• Integrated housing thermostat assembly for cooling system service
• 176 Deg. F start-to-open temperature for OE-specified applications
• Constructed from plastic, stainless steel, and copper
• Copper case and wax compound for responsive coolant temperature control
• Rubber gasket/seal included
• Silver finish with 2 bolt holes and 3 outlet ports
• Bleeder hole, jiggle pin, bolts, and mounting hardware are not included

Product Details

Motorad’s Integrated Housing Thermostat line focuses on OE-style replacement parts built to match factory specifications and processes. Part number 580-176 is made with OEM-quality materials and safety standards from an OE supplier, giving it the construction expected in demanding cooling systems. The copper case and wax compound help the thermostat react quickly to coolant temperature changes, while the integrated housing design simplifies replacement on vehicles that use a combined thermostat and housing assembly.

This part cross-references Dorman OE Solutions 902-5870 for the same application. It is a direct-fit cooling system service part for select Audi TT Quattro, Audi TTS Quattro, Audi A3, and Volkswagen Golf applications, including 2004-2008 Audi A3 and 2006-2008 Volkswagen GTI models.

Common Cooling System Issues It Can Address

• Engine running too cool or too warm due to thermostat wear
• Coolant leaks at the thermostat housing or seal area
• Delayed warm-up after cold starts
• Temperature fluctuation caused by a sticking thermostat
• Service needs on integrated thermostat housing assemblies

Installation Notes

• Verify the 176 Deg. F temperature specification before installation.
• Inspect the mating surfaces and replace any damaged coolant hoses or seals as needed.
• Use the included rubber seal during assembly; bolts are not included.
• Bleed the cooling system carefully after installation to remove trapped air.
• Confirm fitment by year, make, and model before ordering, especially on Audi TT, Audi A3, and Volkswagen Golf platforms.

Quality Assurance

Motorad manufactures this thermostat housing assembly to OEM specifications using materials selected for cooling-system durability. The OE-supplier background and factory-style processes support consistent fit and temperature control for compatible Audi and Volkswagen applications. Part number 580-176 is built for service replacement use in vehicles requiring a 176 Deg. F integrated housing thermostat.