Calorstat TH6314.82 Engine Coolant Thermostat

Engine Coolant Thermostat for Nissan and INFINITI

The Calorstat TH6314.82 engine coolant thermostat is a standard replacement thermostat built around OE-style dimensions and opening temperature control. It is a direct-fit cooling system service part for a wide range of Nissan and INFINITI applications, including Rogue, Frontier, Altima, Sentra, Murano, Pathfinder, Rogue Select, QX60, and G20.

With a start-to-open temperature of 180.0 degrees, this thermostat helps regulate coolant flow so the engine can reach and maintain proper operating temperature. The Calorstat TH6314.82 is also listed with OE supplier context for Nissan and Infiniti applications, making it a practical choice for thermostat replacement service.

Key Features

• Part number: TH6314.82
• Standard engine coolant thermostat design
• Start to open temperature: 180.0 degrees
• Sealing flange outside diameter: 2.14
• Height between flanges: 1.24
• Direct replacement style for Nissan and INFINITI cooling systems
• Cross-references Four Seasons 14818 for the same application

Detailed Description

The Calorstat TH6314.82 thermostat is specified for cooling system service where accurate coolant temperature control matters. Its standard construction and OE-style dimensions support proper fitment in applications such as 2008-2020 Nissan Rogue, 2005-2019 Nissan Frontier, 2002-2018 Nissan Altima, 2014-2017 INFINITI QX60, 2016 Nissan Murano, 2014-2015 Nissan Pathfinder, 2014-2015 Nissan Rogue Select, 2002-2012 Nissan Sentra, and 1999-2002 INFINITI G20. If you are searching for a thermostat for Nissan Altima, Nissan Frontier thermostat replacement, or an INFINITI QX60 coolant thermostat, TH6314.82 is the matching part number to reference.

This thermostat is built to open at 180.0 degrees, helping the engine warm up properly and then maintain stable coolant circulation once operating temperature is reached. The sealing flange outside diameter and flange height are important fitment dimensions for housing alignment and sealing surface contact, especially during thermostat housing service.

What It Helps Address

• Engine running too cool or taking too long to reach operating temperature
• Temperature fluctuation caused by a worn thermostat
• Coolant flow control issues in the thermostat housing
• Cooling system service on high-mileage Nissan and INFINITI vehicles
• Replacement of a thermostat that no longer opens at the specified temperature

Installation Notes and Tips

Verify the thermostat housing and sealing surfaces are clean before installation. Match the flange dimensions and opening temperature to the original application before assembly. For best results, inspect the coolant condition, housing gasket surface, and adjacent cooling system components during service. Confirm vehicle application by year, make, and model before ordering TH6314.82.

Quality Assurance

Calorstat is associated with OE supplier coverage for Nissan and Infiniti applications, and this thermostat is listed with application-specific fitment data for direct replacement use. Part number TH6314.82 is also cross-referenced to Four Seasons 14818 for the same application.