Calorstat TH7311.95J Engine Coolant Thermostat

Engine Coolant Thermostat for Chrysler, Dodge, and Jeep

Calorstat TH7311.95J is a standard engine coolant thermostat built for precise coolant flow control in a range of Chrysler, Dodge, and Jeep applications. It features an off-set valve seat, a gasket O-ring seal, and a jiggle pin weep hole for service-friendly cooling system operation.

Key Features

• Standard engine coolant thermostat design
• Off-set valve seat for application-specific fitment
• Start to open temperature: 203.0°F
• Gasket and seal included
• Jiggle pin weep hole for air bleeding during service
• Rubber seal material with gasket O-ring seal type
• Sealing flange outside diameter: 1.75 in.
• Height between flanges: 0.9 in.

Detailed Description

Calorstat TH7311.95J is an engine coolant thermostat for vehicles that require a 203°F opening temperature and an off-set valve seat design. It is listed for Chrysler 200, Dodge Avenger, Dodge Caliber, Dodge Journey, Jeep Compass, and Jeep Patriot applications across multiple model years, including secondary and OEM recommended coverage. This part number, TH7311.95J, is also cross-referenced to Bosch 15122 and Motorad 657-203 for the same application.

Compatible With 2013-2014 Chrysler 200, 2013-2020 Dodge Journey, 2007-2011 Jeep Compass, and 2007-2011 Jeep Patriot applications where the specified thermostat design and opening temperature are required. The included gasket and seal support a proper housing interface, while the jiggle pin weep hole helps purge trapped air during coolant service.

Common Cooling System Issues

• Engine running cooler or hotter than specified due to thermostat wear
• Delayed coolant circulation after cold start
• Temperature fluctuation from a sticking thermostat valve
• Coolant seepage at the thermostat sealing surface
• Air trapped in the cooling system after service

Installation Notes and Tips

Verify the thermostat housing style, sealing flange dimensions, and opening temperature before installation. Clean the mating surfaces thoroughly, inspect the housing for corrosion or distortion, and replace damaged coolant as needed during service. Confirm the off-set valve seat configuration matches the original part before assembly.

Quality Assurance

Calorstat TH7311.95J is built to match the listed OE-style application requirements and cross-references to common replacement part numbers used in the same vehicle coverage. Fitment includes 2013-2020 Dodge Journey, 2017 Jeep Compass, 2013-2017 Jeep Patriot, and related Chrysler and Dodge models listed above.