Calorstat TH6314.76 Engine Coolant Thermostat

Engine Coolant Thermostat for Nissan and Infiniti

Calorstat TH6314.76 is a standard engine coolant thermostat built for precise coolant flow control in select Nissan and INFINITI applications. With a 169.0°F start-to-open temperature, it helps the engine reach and maintain proper operating temperature for consistent cooling system performance.

Compatible With 1995-2004 Nissan Frontier, Xterra, Altima, Sentra, 200SX, 240SX, Pickup, and 1995-1999 INFINITI G20 applications. Calorstat TH6314.76 is also a direct-reference replacement for several OE and aftermarket part numbers used on these vehicles.

Key Features

• Standard engine coolant thermostat for cooling system service
• Start to open temperature: 169.0°F
• Sealing flange outside diameter: 2.14 in.
• Height between flanges: 1.24 in.
• Built for select Nissan and INFINITI fitments
• Part number: TH6314.76

Detailed Description

This Calorstat thermostat is specified for a range of Nissan and INFINITI vehicles, including the Nissan Frontier, Xterra, Altima, Sentra, 200SX, 240SX, Pickup, and INFINITI G20. The 169.0°F opening point supports regulated coolant circulation so the engine can operate within its intended temperature range. The listed flange dimensions help confirm fit during cooling system repair or thermostat housing service. Calorstat TH6314.76 is a practical OE-style replacement when servicing a thermostat on these applications.

This part cross-references Bosch 13967 and Four Seasons 33747 for the same application.

What It Helps Address

• Engine running too cool or taking too long to warm up
• Temperature fluctuation caused by a worn thermostat
• Cooling system service on Nissan Frontier, Xterra, Altima, or Sentra
• Thermostat replacement during overheating diagnosis
• Restoring proper coolant flow control in older Nissan and INFINITI models

Installation Notes and Tips

Verify the thermostat dimensions and opening temperature against the original part before installation. Inspect the thermostat housing, sealing surfaces, and coolant condition during service. Use the vehicle-specific fitment data to confirm application on 1995-2004 Nissan and 1995-1999 INFINITI models, including the listed Frontier, Xterra, Altima, Sentra, 200SX, 240SX, Pickup, and G20 applications.

Quality Assurance

Calorstat TH6314.76 is listed in a category that includes thermostat and housing service parts and is referenced as an OE-supplier-related application for Nissan and INFINITI fitments. The part number TH6314.76 is supported by multiple interchange references for the same vehicle coverage.