Dorman 902-1006 Engine Coolant Thermostat Housing - Lower

Overview of Dorman Engine Coolant Thermostat Housing 902-1006

The Dorman 902-1006 engine coolant thermostat housing is designed for reliable cooling system performance in Ford and Mercury vehicles. Specifically compatible with Ford Explorer, Explorer Sport, and Mercury Mountaineer models, this thermostat housing ensures proper coolant flow and engine temperature regulation.

• Constructed from durable black plastic for corrosion resistance
• Includes housing and O-rings for a secure seal
• Features a 2.85-inch outlet port diameter for optimal coolant flow
• Three mounting holes with 0.313-inch diameter for secure installation
• 45-degree housing neck angle to fit specific engine configurations
• Does not include thermostat, gasket, bolts, or air vent (bleeder valve)

Detailed Product Description

The Dorman 902-1006 engine coolant thermostat housing is engineered to meet the cooling system requirements of Ford Explorer, Explorer Sport, and Mercury Mountaineer vehicles. Made from high-quality black plastic, this housing offers resistance to heat and corrosion, helping maintain the integrity of the cooling system. The included O-rings provide a reliable seal to prevent coolant leaks, although the thermostat and mounting bolts are not included and must be sourced separately.

The housing features a 2.85-inch outlet port diameter and a 45-degree neck angle, designed to match the original equipment specifications for proper coolant routing. With three mounting holes sized at 0.313 inches in diameter, installation aligns precisely with factory mounting points, ensuring a secure fit.

Common Applications and Issues Addressed

• Replacement for cracked or damaged thermostat housing
• Prevents coolant leaks caused by worn or broken housings
• Restores proper coolant flow to avoid engine overheating
• Addresses coolant contamination from housing failure
• Supports maintenance of engine temperature regulation system

Installation Notes and Tips

• Verify compatibility with Ford Explorer, Explorer Sport, or Mercury Mountaineer before installation
• Ensure all old gasket material is removed before mounting the new housing
• Use the included O-rings to achieve a proper seal and prevent leaks
• Thermostat and mounting bolts are not included; reuse or replace as needed
• Torque mounting bolts to manufacturer specifications to avoid damage

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-1006 thermostat housing undergoes quality checks to ensure durability and performance in demanding engine environments. While specific warranty details vary, Dorman typically offers limited warranties covering defects in material and workmanship.