Calorstat TH6879.82J Engine Coolant Thermostat

Engine Coolant Thermostat Housing for Ford, Mazda, and Lincoln

Calorstat TH6879.82J is an engine coolant thermostat with a plastic housing, built for applications that require an 180°F opening temperature. It includes a gasket and rubber seal for a direct-fit cooling system service on select Ford, Mazda, and Lincoln vehicles.

Key Features

• Plastic housing construction with black finish
• 180.0°F start-to-open temperature
• Gasket included with rubber seal material
• 3-bolt hole design for the specified applications
• Height between flanges: 1.57
• Calorstat TH6879.82J thermostat housing assembly

Detailed Description

This Calorstat engine coolant thermostat housing is specified for cooling system temperature control in vehicles such as the Ford Focus, Ford Escape, Ford Fusion, Mazda 3, Mazda 5, and Mazda MX-5 Miata. The plastic housing design and included gasket seal support a service replacement that matches the listed OE-style applications. Calorstat TH6879.82J is also referenced across select Lincoln MKC, MKZ, and MKT fitments, making it a practical choice for temperature regulation in a wide range of 2004-2018 vehicles.

This part cross-references Gates 34046 for the same application.

What It Helps Address

• Engine running too cool or too hot due to thermostat control issues
• Coolant leaks at the thermostat housing or sealing surface
• Temperature fluctuation during warm-up and normal driving
• Cooling system service needs on Ford Focus, Mazda 3, and Mazda MX-5 Miata applications
• Replacement of a worn plastic thermostat housing assembly

Installation Notes and Tips

• Verify the 180°F opening temperature and 3-bolt housing layout before installation.
• Inspect the mating surface and coolant passages for corrosion or debris.
• Replace coolant as needed during thermostat housing service and bleed air from the system after installation.
• Confirm vehicle-specific fitment for the exact year, make, and model listed below.

Quality Assurance

Calorstat is listed as an OE supplier to Ford on several of the confirmed applications, including Ford Focus, Escape, Explorer, and Fusion fitments. That OE-supplier background supports confidence in the part’s application-specific design and cooling system requirements.

Confirmed Fitment

• Fits 2013-2018 Ford Focus, N/A. Vernet is an OE Supplier to Ford.
• Fits 2013-2017 Ford Taurus, N/A.
• Fits 2013-2016 Ford Escape, N/A. Vernet is an OE Supplier to Ford.
• Fits 2016 Lincoln MKC, N/A. Opening Temp: 82 C / 180 F.
• Fits 2013-2016 Lincoln MKT, N/A. Opening Temp: 82 C / 180 F.
• Fits 2013-2016 Lincoln MKZ, N/A. OEM Recommended.
• Fits 2013-2015 Ford Explorer, N/A. Vernet is an OE Supplier to Ford.
• Fits 2013-2015 Ford Fusion, N/A. Vernet is an OE Supplier to Ford.
• Fits 2015 Lincoln MKC, N/A. From 04/21/2014.
• Fits 2007-2015 Mazda MX-5 Miata, N/A. Opening Temp: 82 C / 180 F.
• Fits 2004-2013 Mazda 3, N/A. Opening Temp: 82 C / 180 F.
• Fits 2009-2013 Mazda 3 Sport, N/A. Opening Temp: 82 C / 180 F.
• Fits 2006-2010 Mazda 5, N/A. Opening Temp: 82 C / 180 F.
• Fits 2006 Mazda MX-5 Miata, N/A. To 08/03/2006.