Calorstat TH3310.71 Engine Coolant Thermostat Housing Assembly

BMW Thermostat Housing Assembly TH3310.71

Calorstat TH3310.71 is an engine coolant thermostat housing assembly built from aluminium with a silver finish. It is specified with a 160.0 start-to-open temperature and three outlet ports, making it a direct-fit cooling system service part for select BMW applications.

Key Features

• Engine coolant thermostat housing assembly
• Aluminium construction with silver finish
• 160.0 start-to-open temperature
• Three outlet ports
• No gasket or seal included
• Part number TH3310.71

Detailed Description

Calorstat TH3310.71 is an OE-style thermostat housing assembly for cooling system repair on BMW 318i and BMW 320i applications. Vernet is listed as an OE supplier to BMW, which supports the original-equipment focus of this housing design. The aluminium body helps provide a durable mounting surface for the thermostat housing, while the 160.0 opening temperature supports proper coolant flow control once the engine reaches operating temperature. This part cross-references 1.102.71 and 260-160 for the same application.

Vehicle Fitment

• Fits 1984-1985 BMW 318i, N/A
• Fits 1977-1983 BMW 320i, N/A

What It Helps Address

• Coolant temperature regulation issues
• Cracked or corroded thermostat housing replacement needs
• Improper coolant routing through the housing assembly
• Cooling system service on BMW 318i and BMW 320i models
• Restoration of thermostat housing function after wear or damage

Installation Notes

Verify the housing style, outlet port count, and temperature rating before installation. Because no gasket or seal is included, reuse should not be assumed; inspect all sealing surfaces carefully and replace worn seals as needed. Confirm coolant system cleanliness and bleed air from the system after service to help maintain stable operating temperature.

Quality Assurance

Calorstat TH3310.71 follows an OE-focused design approach for BMW cooling system applications, with Vernet identified as an OE supplier to BMW. Confirm part number TH3310.71 against the vehicle’s original housing configuration before installation.