Calorstat TH3310.75 Engine Coolant Thermostat Housing Assembly

BMW Thermostat Housing Assembly

Calorstat TH3310.75 is an aluminium engine coolant thermostat housing assembly for select BMW applications. It is built in a silver finish and uses a 167.0 start-to-open temperature to support proper coolant flow control in the cooling system.

Key Features

• Aluminium housing construction for cooling system service
• Silver finish
• 167.0 start-to-open temperature
• 3 outlet ports for the specified coolant routing
• No gasket or seal included
• Fits 1984-1985 BMW 318i and 1977-1983 BMW 320i

Detailed Description

This Calorstat thermostat housing assembly, part number TH3310.75, is made for BMW cooling system service where accurate thermostat housing fitment and coolant passage control matter. The aluminium body provides a durable housing structure, while the 3-port layout supports the original coolant connection design used on the listed BMW 318i and BMW 320i applications. Vernet is an OE supplier to BMW, which adds confidence for buyers looking for an OE-style replacement for these classic BMW cooling system repairs. This part cross-references 1.102.75 and 260-170 for the same application.

What It Helps Address

• Coolant leaks at a worn thermostat housing
• Cracked or corroded housing material
• Improper thermostat housing fit on BMW cooling repairs
• Cooling system temperature control concerns tied to housing wear
• Damaged outlet port connections on the original assembly

Installation Notes and Tips

Verify the engine coolant thermostat housing assembly matches the vehicle’s port layout and temperature specification before installation. Because no gasket or seal is included, source the correct sealing components separately. Clean the mating surfaces thoroughly and inspect adjacent hoses and clamps during service to help prevent repeat leaks. Fits 1984-1985 BMW 318i, N/A. Fits 1977-1983 BMW 320i, N/A.

Quality Assurance

Calorstat is associated with Vernet OE supply for BMW applications, supporting confidence in application-specific cooling system service. Confirm part number TH3310.75 against the vehicle’s original housing before installation.