Dorman 902-820 Engine Coolant Thermostat Housing Assembly

Dorman 902-820 Thermostat Housing Assembly

This Dorman engine coolant thermostat housing assembly is built for Ford Focus, Ford Ranger, and Mazda B2300 applications that require a direct replacement housing with an included thermostat. The black plastic housing is shaped to match the original fit and durability requirements for the listed vehicles, including 2005-2011 Ford Focus and 2001-2003 Ford Ranger applications.

Key Features

• Engine coolant thermostat housing assembly with thermostat included
• Black plastic construction for OE-style fit and function
• 3 mounting holes and 1 outlet port
• 208 degree F thermostat opening temperature
• Designed for specified Ford Focus, Ford Ranger, and Mazda B2300 fitments
• Part number 902-820 for catalog and service reference

Detailed Description

Dorman 902-820 is a replacement thermostat housing assembly engineered for the cooling system on select Ford and Mazda vehicles. It is built to match the stock housing’s fit and durability while handling repeated temperature swings in normal engine operation. The housing uses a regular-grade plastic body with a black finish, a single outlet port, and a thermostat set to open at 208 degrees F. This part cross-references Gates 34042 and Stant 48672 for the same application. For buyers searching for a Ford Focus thermostat housing assembly or a Ford Ranger coolant housing replacement, 902-820 provides a direct-match service part for the listed fitments.

What It Helps Address

• Cracked or warped thermostat housing on the cooling system
• Coolant leaks at the housing or flange area
• Thermostat-related temperature control issues
• Failed housing assemblies on Ford Focus, Ford Ranger, and Mazda B2300 models
• Service replacement needs for a housing with the thermostat already included

Installation Notes and Tips

Verify the vehicle application before installation, since fitment is specific to the listed years and models. This housing uses a gasket-style seal design, but the gasket or seal is not included. Mounting hardware is not included. Confirm hose routing, sensor location, and flange dimensions against the original part before assembly. Fits 2005-2011 Ford Focus, N/A, w/Sensor; Includes Thermostat. Fits 2001-2003 Ford Ranger, N/A, w/Sensor; Includes Thermostat. Fits 2001-2003 Mazda B2300, N/A, Cover; w/Sensor; Includes Thermostat. Fits 2001 Ford F-100 Ranger, N/A, Thermostat housing assembly with included thermostat.

Quality Assurance

Dorman designs this replacement thermostat housing assembly to match the fit and durability of the original equipment housing on the specified vehicles. The housing is engineered to withstand extreme temperature changes for extended service life in the cooling system.