Calorstat TH6959.78J Engine Coolant Thermostat Housing Assembly

Engine Coolant Thermostat Housing Assembly

Calorstat TH6959.78J is an engine coolant thermostat housing assembly for select Acura and Honda applications. It combines a plastic housing with a gasket and a single outlet port, providing a direct replacement solution for cooling system service on the Acura RSX, Honda CR-V, and Honda Civic.

Key Features

• Plastic thermostat housing assembly with black finish
• Gasket included for sealing at installation
• 3 mounting holes for OE-style attachment
• Starts to open at 172.0°F / 78°C
• 1 outlet port for coolant flow routing
• Compatible with 2002-2006 Acura RSX, 2002-2006 Honda CR-V, and 2002-2005 Honda Civic

Detailed Description

Built for cooling system repair, Calorstat TH6959.78J is a thermostat housing assembly that helps regulate coolant flow as engine temperature rises. The 172°F opening temperature matches the listed OE-style application requirements for these vehicles, making it a practical replacement when servicing the thermostat housing on a Honda Civic, Honda CR-V, or Acura RSX. This part cross-references Gates 33949 for the same application.

Fits 2002-2006 Acura RSX, N/A. Fits 2002-2006 Honda CR-V, N/A. Fits 2002-2005 Honda Civic, N/A.

What It Helps Address

• Coolant leaks at the thermostat housing seal
• Overheating caused by a worn thermostat housing assembly
• Temperature control issues from a sticking thermostat housing unit
• Cracked or deteriorated plastic housing on aging cooling systems
• Service replacement for OE-style cooling system maintenance

Installation Notes and Tips

Verify the opening temperature, mounting hole count, and outlet port layout before installation. Replace the gasket during service and inspect the mating surfaces for corrosion, warping, or residue that could affect sealing. Confirm vehicle application by year and model before ordering, especially for Acura RSX, Honda CR-V, and Honda Civic cooling system repairs.

Quality Assurance

Calorstat TH6959.78J is built as a direct-fit thermostat housing assembly for the listed applications, with material and sealing details provided for accurate parts matching. Use the confirmed fitment data and OE-style specifications to verify compatibility before installation.