Dorman 902-3312 Engine Coolant Thermostat Housing Assembly

Reliable Engine Coolant Thermostat Housing Assembly

The Dorman 902-3312 Engine Coolant Thermostat Housing Assembly is designed to maintain optimal engine temperature for Chrysler, Dodge, Jeep, Mitsubishi, and Ram vehicles. This assembly includes a thermostat and gasket, ensuring a complete solution for your cooling system needs.

• Durable black plastic construction for corrosion resistance
• Includes thermostat opening at 196°F for precise temperature control
• Comes with a gasket to ensure a secure, leak-free seal
• Features one outlet port and a bleeder hole for efficient coolant flow
• Compatible with multiple models including Ram 1500, Grand Cherokee, and Dakota

Product Details and Specifications

The Dorman 902-3312 thermostat housing assembly is made from high-quality plastic material, providing durability and resistance to corrosion. It features an inside diameter of 1.66 inches and includes a thermostat calibrated to open at 196 degrees Fahrenheit, helping regulate engine temperature effectively. The assembly has two mounting holes spaced 3.73 inches apart center to center, with a flange measuring 4.2 inches in length, 2.8 inches in width, and 0.5 inches in thickness. This part includes a gasket for a proper seal and a bleeder hole to remove trapped air from the cooling system. Note that mounting hardware is not included.

Compatible Vehicles and Applications

This thermostat housing assembly is compatible with a range of vehicles, including Chrysler, Dodge, Jeep, Mitsubishi, and Ram models. Specifically, it fits Ram 1500 and 2500 trucks, Jeep Grand Cherokee, Liberty, and Commander, Dodge Dakota and Durango, Mitsubishi Raider, and Chrysler Aspen. The part number 902-3312 ensures you receive the correct fit for these applications.

Common Issues Addressed by This Thermostat Housing Assembly

• Engine overheating due to faulty thermostat housing
• Coolant leaks caused by damaged or worn gaskets
• Inconsistent engine temperature regulation
• Air trapped in the cooling system affecting performance
• Corrosion or cracking in original thermostat housing

Installation Notes and Tips

When installing the Dorman 902-3312 thermostat housing assembly, ensure the engine is cool before beginning work. Replace the old gasket with the included gasket to prevent leaks. Verify the mounting holes align correctly with your vehicle’s engine block and torque bolts to manufacturer specifications. Bleed the cooling system properly to remove air pockets using the bleeder hole provided. Note that mounting hardware is not included, so retain or replace bolts as needed.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. This thermostat housing assembly includes a thermostat and gasket to ensure a complete and dependable replacement. While specific warranty details are not provided here, Dorman typically offers limited warranties on their parts to cover defects in materials and workmanship.