Dorman 902-3312 Engine Coolant Thermostat Housing Assembly

Engine Coolant Thermostat Housing Assembly

Dorman 902-3312 is a replacement engine coolant thermostat housing assembly built to match the fit and durability of the original housing on specified vehicles. It uses a plastic housing with a black finish, includes the thermostat and gasket, and is engineered to handle repeated temperature swings in the cooling system.

Compatible with Jeep Liberty, Dodge Dakota, Dodge Ram 1500, and other listed applications, this thermostat housing assembly supports proper coolant flow control and a secure seal at the engine coolant outlet. The 196 degree F thermostat opening temperature helps maintain the engine’s operating range in the applications listed below.

• Plastic housing with black finish
• Integrated thermostat housing assembly with thermostat and gasket
• Bleeder hole included for cooling system service
• 1.66 inside diameter, 1 outlet port
• 2 mounting holes with 3.73 bolt hole center spacing
• Thermostat opening temperature: 196 degree F
• Cross-reference: Mopar 53020887AB and Motorad 5589KT

Fitment Details

This part number 902-3312 is listed for 1999-2013 model-year coverage across multiple Chrysler, Dodge, Jeep, Ram, and Mitsubishi applications. Body fitment includes:

• Fits 2002-2013 Jeep Liberty, engine coolant thermostat housing assembly with integrated cover.
• Fits 2011-2013 Ram 1500, engine coolant thermostat housing assembly with integrated cover.
• Fits 2011-2013 Ram 2500, engine coolant thermostat housing assembly with integrated cover.
• Fits 2000-2011 Dodge Dakota, engine coolant thermostat housing assembly with integrated cover.
• Fits 2007-2011 Dodge Nitro, engine coolant thermostat housing assembly with integrated cover.
• Fits 2011 Ram Dakota, engine coolant thermostat housing assembly with integrated cover.
• Fits 2002-2010 Dodge Ram 1500, engine coolant thermostat housing assembly with integrated cover.
• Fits 2010 Dodge Ram 2500, Original Plastic Design.
• Fits 2006-2010 Jeep Commander, engine coolant thermostat housing assembly with integrated cover.
• Fits 1999-2010 Jeep Grand Cherokee, engine coolant thermostat housing assembly with integrated cover.
• Fits 2007-2009 Chrysler Aspen, engine coolant thermostat housing assembly with integrated cover.
• Fits 2000-2009 Dodge Durango, engine coolant thermostat housing assembly with integrated cover.
• Fits 2006-2009 Mitsubishi Raider, engine coolant thermostat housing assembly with integrated cover.

Common Repair Uses

• Cracked or warped thermostat housing
• Coolant seepage at the housing or gasket surface
• Thermostat replacement during cooling system service
• Temperature control issues caused by a worn housing assembly
• Restoring a secure seal on the engine coolant outlet

Installation Notes

Verify the housing style, outlet port layout, and mounting-hole spacing against the original part before installation. Clean the mating surfaces thoroughly, inspect the cooling system for contamination or old gasket material, and refill and bleed the system according to the vehicle service procedure. This assembly does not include mounting hardware.

Quality Assurance

Dorman designs this replacement thermostat housing assembly to match stock fit and durability for the listed vehicles. The housing is built to withstand extreme temperature changes for extended service life in normal cooling-system operation.