Dorman 904-486 Engine Coolant Thermostat Housing Flange Repair Kit

Reliable Engine Coolant Thermostat Housing Flange Repair Kit

The Dorman 904-486 Engine Coolant Thermostat Housing Flange Repair Kit is designed to restore the integrity of your vehicle's cooling system. This kit provides all necessary components to repair the thermostat housing flange on select Ford models, ensuring a secure and leak-free fit.

• Includes 1 flange plate, 3 steel bolts, and 1 gasket with O-ring
• Bolt specifications: steel material, 6 mm thread diameter, 24.5 mm thread length, 1 mm thread pitch
• Flange plate inside diameter: 54.5 mm
• O-ring inside diameter: 55.5 mm for proper sealing
• Compatible with multiple Ford trucks and vans

Detailed Product Description

This repair kit features a durable steel flange plate designed to replace worn or damaged thermostat housing flanges on Ford E-350 Club Wagon, E-350 Econoline, Excursion, F-250, F-250 HD, F-250 Super Duty, F-350, and F-350 Super Duty models. The included steel bolts are engineered with precise thread dimensions (6 mm diameter, 24.5 mm length, 1 mm pitch) to ensure a secure attachment. The kit also contains a high-quality gasket and O-ring with a 55.5 mm inside diameter, providing a reliable seal to prevent coolant leaks and maintain optimal engine temperature regulation.

Compatible Ford Models and Applications

This Dorman 904-486 kit is compatible with the following Ford vehicles:

• Ford E-350 Club Wagon
• Ford E-350 Econoline and E-350 Econoline Club Wagon
• Ford Excursion
• Ford F-250, F-250 HD, and F-250 Super Duty
• Ford F-350 and F-350 Super Duty

Common Issues Addressed by This Repair Kit

• Thermostat housing flange cracks or breaks causing coolant leaks
• Loose or stripped bolts compromising the seal
• Worn or damaged O-ring leading to coolant seepage
• Corroded flange plate affecting thermostat housing integrity
• Overheating issues due to coolant loss

Installation Notes and Tips

Before installation, ensure the engine is cool and the cooling system is depressurized. Remove the old thermostat housing flange carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly to ensure proper gasket seating. Use the included steel bolts with the specified thread pitch and length to secure the flange plate evenly. Replace the O-ring and gasket to maintain a tight seal. Torque bolts to manufacturer specifications to prevent leaks or damage.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 904-486 Engine Coolant Thermostat Housing Flange Repair Kit undergoes rigorous quality control to ensure durability and reliability. This product is backed by Dorman's limited warranty, providing coverage against defects in material and workmanship under normal use.