Dorman 902-1004 Engine Coolant Thermostat Housing - Upper

Engine Coolant Thermostat Housing for Ford Super Duty

Dorman 902-1004 is a replacement engine coolant thermostat housing built to match the fit and durability of the original housing on specified Ford trucks and vans. It is made from metal with a black finish and is shaped for the cooling system layout used on the listed applications.

Compatible With Ford E-350 Super Duty, Excursion, F-250 Super Duty, and F-350 Super Duty applications, this thermostat housing uses a 3-bolt mounting pattern, a 90-degree neck angle, and a 1.625-inch outlet port diameter. The included gasket helps support a proper seal at the housing-to-engine interface.

Key Features

• Metal thermostat housing with black finish
• 1.625-inch outlet port diameter
• 90-degree housing neck angle
• 3 mounting holes with 0.313-inch mounting hole diameter
• Gasket included; thermostat not included
• No bleeder valve and no O-rings required
• Dorman 902-1004 replacement for select Ford cooling system applications

Detailed Description

This Dorman engine coolant thermostat housing is engineered for direct replacement use on select Ford E-350 Club Wagon, E-350 Econoline Club Wagon, E-350 Super Duty, E-350 Econoline Club Wagon, Excursion, F-250 Super Duty, and F-350 Super Duty models. The metal construction is designed to handle repeated temperature cycling in the cooling system, while the included gasket supports a secure seal during service. Dorman 902-1004 is a practical OE-style replacement for vehicles that use the upper thermostat housing configuration listed in the fitment data.

This part cross-references Gates 7305 for the same application.

Common Problems This Part Can Help Address

• Coolant seepage at the thermostat housing seam
• Cracked or warped original housing
• Improper sealing at the upper cooling system connection
• Corrosion-related housing deterioration
• Service issues caused by a damaged 3-bolt thermostat cover

Installation Notes and Tips

• Verify the vehicle uses the upper thermostat housing configuration shown in the fitment list before installation.
• Inspect the mating surface and coolant passages for corrosion or debris before fitting the new housing.
• Transfer only the components required by the application; thermostat is not included with this housing.
• Confirm the 90-degree neck orientation and 1.625-inch outlet port match the original part.
• Use the included gasket during reassembly and follow the vehicle service procedure for coolant refill and bleeding.

Quality Assurance

Dorman designs this replacement thermostat housing to match the fit and durability of the stock housing on the listed vehicles and to withstand extreme temperature changes for extended service life. Part number 902-1004 is built for direct replacement use in the cooling system of select Ford applications.