Calorstat TH6267.88 Engine Coolant Thermostat

Engine Coolant Thermostat for Honda Applications

Calorstat TH6267.88 is a standard engine coolant thermostat built for precise coolant flow control in select Honda cooling systems. It opens at 190°F (88°C) and uses an off-set valve seat design to support stable engine temperature regulation in Honda Civic and Honda Insight applications.

• Engine coolant thermostat for Belts and Cooling > Thermostat and Housing
• Standard design with off-set valve seat
• Start-to-open temperature: 190°F / 88°C
• Sealing flange outside diameter: 2.04 in.
• Height between flanges: 1.31 in.
• Gasket or seal not included
• Part number: TH6267.88

Fitment Details

• Fits 2006-2011 Honda Civic, N/A. Notes: Opening Temp: 88 C / 190 F
• Fits 2000-2006 Honda Insight, N/A. Notes: Opening Temp: 88 C / 190 F

This thermostat cross-references Stant 45879 for the same application.

How This Thermostat Is Used

• Restores proper coolant temperature regulation in Honda Civic and Honda Insight cooling systems
• Addresses overheating caused by a thermostat that sticks closed
• Addresses slow warm-up from a thermostat that sticks open
• Helps correct temperature fluctuation and unstable gauge readings
• Supports consistent engine operating temperature for daily driving

Installation Notes and Tips

Verify housing dimensions and thermostat orientation before installation. Because a gasket or seal is not included, reuse is not recommended unless the existing seal is serviceable and the housing design allows it. Confirm the 190°F opening specification matches the vehicle application before assembly.

Quality Assurance

Calorstat thermostats are built to meet application-specific cooling requirements with the correct opening temperature and dimensional fit for listed Honda models. Part number TH6267.88 is specified for direct replacement use in the confirmed applications above.