Calorstat TH6737.82J Engine Coolant Thermostat

Engine Coolant Thermostat for Suzuki Applications

The Calorstat TH6737.82J engine coolant thermostat is a standard replacement thermostat for select Suzuki cooling systems. It opens at 180.0 degrees and includes a gasket seal for a direct-fit service replacement on Grand Vitara, SX4, SX4 Crossover, Vitara, Esteem, and Sidekick applications.

Key Features

• Engine coolant thermostat with standard design
• Starts to open at 180.0 degrees
• Off-set valve seat design for the specified housing application
• Sealing flange outside diameter: 2.04
• Height between flanges: 1.1
• Gasket included with rubber seal material
• Calorstat TH6737.82J replacement part number

Detailed Product Information

Built for cooling system temperature control, this thermostat regulates coolant flow based on engine operating temperature. The 180.0-degree opening point supports stable warm-up and normal operating temperature management in the listed Suzuki vehicles. The included gasket seal and off-set valve seat design help match the intended housing fitment for service replacement work. This part cross-references Gates 33920 for the same application. The Calorstat TH6737.82J is also referenced under OE-style interchange numbers used across Suzuki cooling system service parts.

Vehicle Fitment

• Fits 2009-2013 Suzuki Grand Vitara, N/A
• Fits 2007-2013 Suzuki SX4, N/A
• Fits 2012 Suzuki SX4 Crossover, N/A
• Fits 1999-2003 Suzuki Vitara, N/A
• Fits 1999-2002 Suzuki Esteem, N/A
• Fits 1996-1998 Suzuki Sidekick, N/A

Common Replacement Reasons

• Engine takes too long to reach operating temperature
• Temperature gauge fluctuates during normal driving
• Coolant flow is not regulating correctly through the housing
• Thermostat service is needed during cooling system maintenance
• Replacement is required for a worn gasket seal or thermostat assembly

Installation Notes

Verify housing dimensions and thermostat orientation before installation. Clean the sealing surfaces thoroughly and replace coolant according to the vehicle service procedure after installation. Confirm the thermostat opening temperature and gasket placement match the original application for the Suzuki Grand Vitara, SX4, SX4 Crossover, Vitara, Esteem, or Sidekick.

Quality Assurance

Calorstat is listed as an OE supplier to Suzuki, and this part is specified for the applications shown above. Use the part number TH6737.82J to confirm the correct thermostat for your vehicle before installation.