Dorman 902-1120 Engine Coolant Thermostat Housing

Overview of Dorman Engine Coolant Thermostat Housing 902-1120

The Dorman 902-1120 engine coolant thermostat housing is designed for reliable cooling system performance in Ford trucks. This metal thermostat housing is compatible with Ford E-350 Super Duty, F-150, F-250 Super Duty, F-350, and F-350 Super Duty models, providing a durable replacement solution.

• Constructed from durable metal with a black finish for corrosion resistance
• Includes one thermostat housing and one gasket for a proper seal
• Features two mounting holes with precise bolt hole spacing of 1.616 inches
• Outlet port diameter measures 1.68 inches; inlet port diameter is 1.27 inches
• Flange thickness of 0.325 inches and housing neck angled at 20 degrees
• Compatible with specific Ford truck models for accurate fitment

Detailed Product Description

The Dorman 902-1120 thermostat housing is engineered from metal to withstand the high temperatures and pressures within the engine cooling system. Its black finish helps resist corrosion and wear over time. The housing includes a gasket to ensure a tight seal between the thermostat housing and engine block, preventing coolant leaks. With two mounting holes spaced 1.616 inches apart center-to-center, installation aligns precisely with factory specifications. The outlet port diameter of 1.68 inches and inlet port diameter of 1.27 inches accommodate proper coolant flow. The housing neck is angled at 20 degrees to match the original equipment design, ensuring compatibility with the cooling system hoses on Ford E-350 Super Duty, F-150, F-250 Super Duty, F-350, and F-350 Super Duty trucks. This part does not include the thermostat or bolts, so those components must be sourced separately.

Common Applications and Issues Addressed

• Replacement of cracked or damaged thermostat housing to prevent coolant leaks
• Resolving overheating issues caused by faulty or leaking housing
• Restoring proper coolant flow in Ford E-350 Super Duty and F-Series trucks
• Addressing corrosion or wear in original thermostat housing components
• Maintaining engine temperature regulation for optimal performance

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid injury from hot coolant. Remove the old thermostat housing carefully, inspecting the mounting surface for debris or damage. Use the included gasket to create a secure seal and prevent leaks. Torque mounting bolts to manufacturer specifications. Since bolts are not included, reuse original hardware or obtain appropriate replacements. Verify hose connections align with the 20-degree housing neck angle for proper fitment.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-1120 thermostat housing undergoes quality checks to ensure durability and reliable performance in Ford truck cooling systems. Warranty coverage details should be confirmed with the product documentation or supplier.