Calorstat TH7170.80J Engine Coolant Thermostat Housing Assembly

Engine Coolant Thermostat Housing Assembly

Calorstat TH7170.80J is an engine coolant thermostat housing assembly built with a plastic housing, black finish, and an included gasket or seal. It is specified with a 176.0 start-to-open temperature and three outlet ports for the listed applications.

Compatible with select Audi and Volkswagen turbocharged models, including Audi TTS Quattro, Audi TT Quattro, and Volkswagen Golf R. This Calorstat TH7170.80J thermostat housing assembly is a direct-fit cooling system service part for vehicles that use the listed OE-style configuration.

Key Features

• Plastic thermostat housing assembly with black finish
• Gasket or seal included for the housing interface
• 176.0 start-to-open temperature specification
• Three outlet ports for the cooling circuit layout
• Two mounting holes for the listed application
• OE cross-reference support for select Audi and Volkswagen applications

Detailed Description

The Calorstat TH7170.80J thermostat housing assembly is designed around the cooling system requirements of select Audi TTS Quattro, Audi TT Quattro, and Volkswagen Golf R models. Its plastic construction, integrated gasket or seal, and three-port outlet design match the configuration used in the referenced applications. Vernet is identified as an OE supplier to Audi and Volkswagen for these vehicles, which supports the application-specific design of this part number.

This part cross-references Motorad 580-176 and URO 06F121111H for the same application. The TH7170.80J part number is also associated with OE-style references 06F 121 111 H and 50248.

What It Helps Address

• Coolant temperature regulation issues tied to a worn thermostat housing
• Coolant leaks at the housing or gasket interface
• Cracked or heat-aged plastic housing concerns
• Cooling system service needs on Audi TTS Quattro, Audi TT Quattro, and Volkswagen Golf R
• Incorrect thermostat housing fitment from non-matching replacement parts

Installation Notes and Tips

Verify the OE number, outlet-port layout, mounting-hole count, and start-to-open temperature before installation. Inspect the mating surfaces and cooling passages for residue or damage, and replace contaminated coolant as part of the repair. Confirm the vehicle application by year and model before ordering, especially for 2009-2015 Audi TTS Quattro, 2012-2013 Audi TT Quattro, and 2012-2013 Volkswagen Golf R.

Quality Assurance

Calorstat is listed in the OE supply chain for Audi and Volkswagen applications referenced here, supporting application-specific fitment and specification matching for this thermostat housing assembly.