Dorman 902-312 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Chrysler and Dodge Vehicles

The Dorman 902-312 engine coolant thermostat housing is designed to provide a durable and precise fit for select Chrysler, Dodge, Jeep, Mitsubishi, and Ram models. Engineered with quality plastic material, this black thermostat housing ensures proper coolant flow and temperature regulation for your vehicle's engine.

• Constructed from durable black plastic for corrosion resistance
• Outlet port diameter of 1.785 inches for accurate coolant flow
• Two mounting holes with 0.293-inch diameter for secure installation
• 75-degree housing neck angle to match OEM specifications
• Includes water outlet; thermostat, gasket, bolts, and O-rings not included

Detailed Product Description

The Dorman 902-312 thermostat housing is a direct replacement part designed to maintain the cooling system integrity in vehicles such as the Chrysler Aspen, Dodge Dakota, Jeep Grand Cherokee, Mitsubishi Raider, and Ram 1500 and 2500 models. Made from high-quality plastic, this housing resists corrosion and heat damage, helping to extend the life of your cooling system components. The 75-degree neck angle and precise outlet port diameter ensure compatibility with factory cooling system layouts. Note that this part does not include a thermostat, gasket, bolts, or O-rings, so these components should be sourced separately if needed.

Common Applications and Issues Addressed

• Replacement for cracked or leaking thermostat housing
• Prevents coolant leaks that can cause engine overheating
• Restores proper coolant flow and temperature regulation
• Addresses mounting hole damage or wear
• Suitable for cooling system repairs on Chrysler, Dodge, Jeep, Mitsubishi, and Ram vehicles

Installation Notes and Tips

• Ensure the mounting surface is clean and free of old gasket material
• Use appropriate gasket or sealant as this housing does not include a gasket
• Verify the 75-degree neck angle matches your vehicle’s cooling system configuration
• Torque mounting bolts to manufacturer specifications to avoid leaks
• Inspect related cooling system components during installation for optimal performance

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-312 thermostat housing undergoes rigorous quality control to ensure durability and reliable performance. While this product does not include a warranty statement in the provided data, Dorman typically offers limited warranties on their replacement parts. Please consult the product packaging or Dorman’s official resources for specific warranty details.