Dorman 902-1104 Engine Coolant Thermostat Housing

Dorman 902-1104 Thermostat Housing for Mustang

Dorman 902-1104 is an engine coolant thermostat housing built for 1999-2004 Ford Mustang cooling system service. It matches the stock housing fit and durability requirements for the application, with a metal construction and included seal for a direct replacement on the specified vehicles.

Key Features

• Engine coolant thermostat housing for the cooling system
• Metal housing with a natural finish
• Includes gasket or seal for installation
• Two mounting holes with 3-inch bolt hole center spacing
• Outlet port diameter: 1.6; inlet port diameter: 1.27
• Housing neck angle: 40 degrees
• Designed for 1999-2004 Ford Mustang applications

Detailed Description

This Dorman thermostat housing, part number 902-1104, is engineered as a replacement for the original coolant outlet housing used on 1999-2004 Ford Mustang models. The metal housing is built to handle repeated temperature swings in the cooling system, helping maintain a secure seal at the thermostat connection point. The package includes a seal, and the housing is supplied without a thermostat, bolts, or O-rings.

For Mustang owners searching for a 1999-2004 Ford Mustang thermostat housing replacement, Dorman 902-1104 provides the correct fitment profile for the listed engine coolant housing application. It is also a practical choice when replacing a cracked, warped, or leaking thermostat housing on the Ford Mustang cooling system.

This part cross-references Four Seasons 85032 for the same application.

What It Helps Fix

• Coolant leaks at the thermostat housing
• Cracked or heat-damaged housing surfaces
• Warped sealing areas that prevent a proper seal
• Cooling system service issues at the thermostat outlet
• Replacement needs on 1999-2004 Ford Mustang coolant housings

Installation Notes and Tips

Verify the inlet and outlet port sizes, mounting hole spacing, and housing neck angle before installation. Clean the mating surface thoroughly and install the included seal to help achieve a proper coolant seal. Transfer the thermostat from the original assembly if needed, since the thermostat is not included.

Quality Assurance

Dorman designs this replacement thermostat housing to match the fit and durability of the original part on the specified vehicles. The metal construction is selected to withstand extreme temperature changes in the cooling system and support long service life in normal use.