Calorstat TH7310.77J Engine Coolant Thermostat

Engine Coolant Thermostat for Chrysler and Jeep Applications

Calorstat TH7310.77J is a standard engine coolant thermostat built for precise coolant flow control in select Chrysler, Dodge, and Jeep vehicles. It opens at 171°F (77°C) and includes a gasket seal for a direct replacement service on common 2007-2020 applications.

Key Features

• Standard engine coolant thermostat for cooling system temperature regulation
• Start-to-open temperature: 171°F / 77°C
• Gasket included with rubber seal material
• Sealing flange outside diameter: 2.29 in.
• Height between flanges: 1.37 in.
• Cross-references Bosch 15167 and Motorad 658-170 for the same application
• Part number: TH7310.77J

Detailed Description

Calorstat TH7310.77J is an engine coolant thermostat for vehicles that require a 171°F opening temperature and a standard thermostat design. It is listed for Dodge Journey 2009-2020, Jeep Compass 2007-2016 and 2017, Jeep Patriot 2007-2017, Chrysler 200 2011-2014, Dodge Avenger 2008-2014, Dodge Caliber 2007-2012, and Chrysler Sebring 2007-2010. The included gasket seal supports a proper housing interface during thermostat replacement, and the compact flange dimensions help match the original cooling system layout. Part number TH7310.77J is also referenced under Mopar 55111016AE and other OE-style interchange numbers.

What This Thermostat Helps Address

• Engine running too cool or too warm due to thermostat wear
• Delayed warm-up after cold starts
• Temperature fluctuation from a sticking thermostat
• Cooling system service on Chrysler, Dodge, and Jeep models
• Replacement of a leaking thermostat seal or gasket interface

Installation Notes and Tips

Verify the thermostat opening temperature and housing dimensions before installation. Clean the sealing surfaces thoroughly and inspect the thermostat housing for corrosion, warping, or debris that could affect sealing. Use the included gasket seal during assembly and refill the cooling system with the correct coolant mixture after service. Confirm vehicle-specific fitment for your exact year, make, and model before ordering TH7310.77J.

Quality Assurance

Calorstat cooling system components are built for OE-style replacement use in temperature-critical engine applications. This thermostat is specified with a 171°F opening point and includes the sealing gasket needed for installation on listed Chrysler, Dodge, and Jeep fitments.

Compatible Vehicles

• Fits 2009-2020 Dodge Journey, N/A
• Fits 2017 Jeep Compass, N/A
• Fits 2007-2017 Jeep Patriot, N/A
• Fits 2007-2016 Jeep Compass, N/A
• Fits 2011-2014 Chrysler 200, N/A
• Fits 2014 Dodge Avenger, N/A
• Fits 2011-2012 Dodge Avenger, N/A
• Fits 2013 Dodge Avenger, N/A
• Fits 2008-2010 Dodge Avenger, N/A
• Fits 2010-2012 Dodge Caliber, N/A
• Fits 2007 Dodge Caliber, N/A
• Fits 2007-2010 Chrysler Sebring, N/A
• Fits 2008-2009 Dodge Caliber, N/A