Dorman 902-1004 Engine Coolant Thermostat Housing - Upper

Overview of Dorman Engine Coolant Thermostat Housing 902-1004

The Dorman 902-1004 engine coolant thermostat housing is designed for reliable cooling system performance in select Ford vehicles. This metal thermostat housing features a black finish and includes a gasket for a secure seal, ensuring proper engine temperature regulation.

• Durable metal construction with black coating
• Includes gasket for leak-free installation
• Outlet port diameter of 1.625 inches
• Three mounting holes with 0.313 inch diameter each
• 90-degree housing neck angle for precise fitment
• Compatible with select Ford E-350 and Super Duty models

Detailed Product Description

The Dorman 902-1004 thermostat housing is engineered to meet the cooling system requirements of Ford E-350 Club Wagon, E-350 Econoline Club Wagon, E-350 Super Duty, Excursion, F-250 Super Duty, and F-350 Super Duty models. Constructed from metal, this thermostat housing offers durability and resistance to heat and corrosion. The black finish provides additional protection and a clean appearance under the hood. The housing features a 1.625-inch outlet port diameter and a 90-degree neck angle, designed to match OEM specifications for proper coolant flow. It includes a gasket to ensure a tight seal and prevent leaks, but does not include the thermostat or mounting bolts. The three mounting holes, each with a diameter of 0.313 inches, allow for secure attachment to the engine block.

Common Applications and Issues Addressed

• Replacement for cracked or damaged thermostat housing
• Fixes coolant leaks around the thermostat area
• Restores proper coolant flow and engine temperature regulation
• Prevents overheating caused by faulty housing seals
• Supports maintenance of Ford E-350 and Super Duty cooling systems

Installation Notes and Tips

When installing the Dorman 902-1004 thermostat housing, ensure the engine is cool before beginning work. Remove the old housing carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly to ensure a proper seal with the included gasket. Since mounting bolts are not included, reuse the original bolts or source replacements that meet OEM specifications. Verify the 90-degree neck angle aligns correctly with the coolant hoses. After installation, refill the cooling system and check for leaks during engine warm-up.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-1004 thermostat housing undergoes quality inspections to ensure durability and performance. This part includes a gasket for proper sealing but does not come with a thermostat or mounting bolts. Warranty coverage details can be obtained from the product documentation or Dorman directly.