Dorman 902-3011 Engine Coolant Thermostat Housing

Engine Coolant Thermostat Housing for Chrysler and Dodge

Dorman 902-3011 is a replacement engine coolant thermostat housing built to match the fit and durability of the original housing on specified vehicles. It is made from metal and designed to handle repeated temperature swings in the cooling system.

Compatible With Chrysler, Dodge, and Plymouth applications across a broad range of classic trucks and cars, including Dodge D150, D250, D350, Ramcharger, and Chrysler New Yorker models. The Dorman 902-3011 thermostat housing includes a gasket for a direct cooling-system service replacement.

Key Features

• Metal construction with a natural finish
• 90-degree housing neck angle
• 1.438 in. outlet port diameter
• Two mounting holes with 0.313 in. hole diameter
• Gasket included; O-rings not required
• No bleeder valve and no thermostat included
• Package contents: thermostat housing with gasket

Detailed Description

This engine coolant thermostat housing is engineered for vehicles that use a 90-degree outlet layout and a 1.438-inch port size. It is a direct-fit cooling system service part for many Dodge truck and van platforms, along with select Chrysler and Plymouth models. If you are replacing a cracked, corroded, or warped housing, Dorman 902-3011 provides a metal replacement built for the demands of engine heat and coolant exposure.

This part cross-references Motorad 4909KT and Karlyn 490 for the same application. It is a practical choice for owners searching for a thermostat housing for Dodge D150, Dodge Ramcharger, or Chrysler New Yorker cooling system repair.

What It Helps Fix

• Coolant leaks at the thermostat housing
• Warped or cracked housing surfaces
• Corrosion around the coolant outlet
• Poor sealing at the thermostat housing gasket surface
• Cooling-system service on older Chrysler, Dodge, and Plymouth vehicles

Installation Notes and Tips

Verify the outlet port diameter, neck angle, and mounting hole layout before installation. Clean the mating surface thoroughly, replace the gasket during service, and inspect the thermostat and coolant condition while the housing is removed. This part does not include bolts or a thermostat.

Quality Assurance

Dorman designs this replacement housing to match stock fit and durability requirements and to withstand extreme temperature changes for extended service life. Part number 902-3011 is built as a direct replacement for specified applications.