Dorman 902-783 Engine Coolant Thermostat Housing

Overview of Dorman Engine Coolant Thermostat Housing 902-783

The Dorman 902-783 engine coolant thermostat housing is designed specifically for Ford LS and Lincoln Thunderbird models. Constructed from durable black plastic, this thermostat housing ensures reliable performance in your vehicle's cooling system.

• Material: High-quality black plastic for corrosion resistance
• Outlet port diameter: 1.4 inches for precise coolant flow
• Mounting holes: 3 holes with 0.27-inch diameter for secure installation
• Housing neck angles: One at 90 degrees and one at 45 degrees from the base
• Does not include thermostat, gasket, bolts, or O-rings
• Compatible with Ford LS and Lincoln Thunderbird vehicles

Detailed Product Description

The Dorman 902-783 thermostat housing is engineered to replace the original equipment part on select Ford LS and Lincoln Thunderbird models. Made from durable plastic, it offers resistance to corrosion and heat, helping maintain the integrity of the engine's cooling system. The housing features a 1.4-inch outlet port diameter, facilitating proper coolant flow. It includes three mounting holes, each with a diameter of 0.27 inches, ensuring a secure and stable fit. The housing necks are angled at 90 and 45 degrees from the base, matching the original design for proper hose alignment and installation.

Common Applications and Issues Addressed

• Replacement for cracked or leaking thermostat housings
• Prevents coolant leaks that can cause engine overheating
• Restores proper coolant flow in Ford LS and Lincoln Thunderbird cooling systems
• Addresses fitment issues due to warped or damaged original housings
• Helps maintain engine temperature regulation by housing the thermostat securely (thermostat sold separately)

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Use appropriate gasket or sealant as this housing does not include a gasket or O-rings
• Verify mounting hole alignment with the vehicle’s engine block before tightening bolts
• Replace bolts if original hardware is damaged, as bolts are not included
• Check hose connections to the 90 and 45-degree necks for proper fit and secure clamps

Quality Assurance and Warranty

Dorman manufactures the 902-783 thermostat housing to meet or exceed OEM specifications for fit, form, and function. While this part does not include a thermostat or mounting hardware, it is designed for durability and long service life. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor or retailer.