Calorstat TH7142.82J Engine Coolant Thermostat

Engine Coolant Thermostat for Ford and Mazda

The Calorstat TH7142.82J engine coolant thermostat is a plastic housing thermostat assembly built for precise coolant temperature control. It opens at 180°F (82°C) and includes a gasket and seal for a direct replacement on a wide range of Ford, Mazda, Lincoln, and Mercury applications.

• Plastic housing construction with black finish
• Start-to-open temperature: 180°F / 82°C
• Gasket or seal included
• Rubber seal material
• Jiggle pin weep hole included for air bleeding
• By-pass valve diameter: 23.0
• Height between flanges: 1.53
• Height, by-pass side: 39.0

Fitment and Application Details

Fits 2006-2020 Ford Fusion, N/A; Fits 2005-2019 Ford Escape, N/A; Fits 2003-2011 Ford Focus, N/A; Fits 2007-2011 Ford Ranger, N/A; Fits 2014-2022 Ford Transit Connect, N/A. It also fits 2008-2011 Mazda 3, 2008-2012 Mazda CX-7, 2008-2010 Mazda Tribute, 2008 Mazda 6, 2012-2014 Mazda 5, 2011-2012 Lincoln MKZ, 2007-2011 Mercury Mariner, 2008-2011 Mercury Milan, and select 2006 Mercury Milan, 2006 Mercury Mariner, 2007 Mazda 3, and 2007 Mazda CX-7 applications with the notes shown in the fitment data.

This part cross-references Gates 34044 and Motorad 512-185 for the same application. Part number TH7142.82J is also listed among multiple OE and aftermarket interchange references for Ford and Mazda cooling system service.

What This Thermostat Helps Address

• Engine running too cool or too hot
• Slow warm-up after cold starts
• Temperature fluctuation from a sticking thermostat
• Coolant flow issues caused by a worn thermostat valve
• Leaks at the thermostat housing seal area

Installation Notes and Tips

Verify the engine code, model year, and the fitment notes before installation, especially on 2006-2007 Mazda and Mercury applications with date-specific coverage. Inspect the mating surfaces, replace contaminated coolant as needed, and confirm the jiggle pin orientation during installation so trapped air can bleed properly. TH7142.82J is a direct-fit style thermostat housing assembly for service on Ford Fusion, Ford Escape, and related Mazda and Mercury cooling systems.

Quality Assurance

Calorstat is listed as an OE supplier to Ford on several of the covered applications, and this thermostat is built with the specified plastic housing, gasket seal, and 180°F opening temperature for consistent cooling system service.