Calorstat TH6860.82J Engine Coolant Thermostat

Engine Coolant Thermostat for Nissan and Infiniti

Calorstat TH6860.82J is an engine coolant thermostat with an aluminum housing, built for direct-fit cooling system service on select Nissan, Infiniti, and Suzuki applications. It opens at 180°F and includes a gasket and seal for a complete thermostat housing replacement.

Key Features

• Engine coolant thermostat with aluminum housing
• Start-to-open temperature: 180°F
• Silver finish with 3 bolt holes
• Height between flanges: 1.1
• Gasket or seal included; seal type: gasket
• Seal material: paper
• Calorstat TH6860.82J cross-references Gates 34041 and Motorad 391-180 for the same application

Detailed Description

This thermostat housing assembly is specified for cooling system repair where stable coolant flow and proper engine warm-up are required. The aluminum housing and gasket-sealed design support a secure mounting surface, while the 180°F opening temperature matches common OE-style cooling calibration used across Nissan Frontier, Xterra, Pathfinder, NV1500, NV2500, and NV3500 applications, as well as select INFINITI FX35, M35, and G35 models and the Suzuki Equator. Calorstat TH6860.82J is a practical replacement when servicing the thermostat housing on these vehicles.

Vehicle Fitment

• Fits 2012-2021 Nissan NV1500, N/A
• Fits 2012-2021 Nissan NV2500, N/A
• Fits 2012-2020 Nissan NV3500, N/A
• Fits 2005-2019 Nissan Frontier, N/A
• Fits 2005-2015 Nissan Xterra, N/A
• Fits 2005-2012 Nissan Pathfinder, N/A
• Fits 2009-2012 Suzuki Equator, N/A
• Fits 2007-2008 INFINITI FX35, N/A
• Fits 2004 INFINITI FX35, N/A
• Fits 2006-2008 INFINITI M35, N/A
• Fits 2003-2007 INFINITI G35, N/A

Common Repair Uses

• Restores proper coolant temperature control
• Addresses overheating caused by a sticking thermostat
• Helps correct slow engine warm-up in cold conditions
• Replaces a leaking thermostat housing seal
• Supports cooling system service on Nissan Frontier, Xterra, Pathfinder, and INFINITI G35 applications

Installation Notes and Tips

Verify the housing style, bolt-hole count, and opening temperature before installation. Clean the mating surfaces thoroughly and replace any damaged coolant hoses or corroded fasteners during service. Refill and bleed the cooling system according to the vehicle service procedure to reduce trapped air and ensure accurate thermostat operation.

Quality Assurance

Calorstat TH6860.82J is built to match the listed OE-style fitment and cooling specifications for the covered Nissan, INFINITI, and Suzuki applications. Vernet is an OE supplier to Nissan and Infiniti, supporting confidence in application accuracy for this thermostat housing assembly.