Dorman 902-3022 Engine Coolant Thermostat Housing

Engine Coolant Thermostat Housing for Classic Chrysler and Dodge

Dorman 902-3022 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.

• Metal construction with a natural finish
• Outlet port diameter: 1.5 in.
• Gasket included for sealing at installation
• Two mounting holes with 0.313 in. diameter
• 30-degree housing neck angle
• No bleeder valve, no thermostat included

Fitment and Application Details

Compatible with classic Chrysler and Dodge cooling system applications, including Fits 1959-1966 Chrysler 300, N/A; Fits 1957-1966 Chrysler Imperial, N/A; Fits 1959-1966 Chrysler New Yorker, N/A; Fits 1961-1966 Chrysler Newport, N/A; Fits 1959-1966 Chrysler Town & Country, N/A; Fits 1966 Dodge Charger, N/A; Fits 1964-1966 Dodge Dart, N/A; Fits 1960-1962 Dodge Dart, N/A; Fits 1965-1966 Dodge Monaco, N/A; and Fits 1959 Dodge Lancer, N/A. Additional coverage includes Fits 1970-1974 Dodge Challenger, N/A; Fits 1972-1973 Dodge Charger, N/A; Fits 1973 Dodge Charger, N/A; Fits 1968-1973 Dodge Dart, N/A; and Fits 1967-1973 Dodge Monaco, N/A, with dealer A/C notes where listed.

This part cross-references Hayden 5083 for the same application.

What This Housing Helps Address

• Cracked or warped thermostat housing on aging cooling systems
• Coolant leaks at the housing-to-engine sealing surface
• Improper thermostat housing fit on specified Chrysler and Dodge engines
• Corrosion-related housing deterioration in metal cooling components
• Service issues caused by a damaged outlet neck or mounting flange

Installation Notes and Tips

Verify the outlet port diameter, mounting hole spacing, and 30-degree neck angle before installation. Use the included gasket and confirm the thermostat is transferred or replaced separately, since this housing does not include one. Check the mating surface for corrosion or old gasket material to help achieve a proper seal.

Quality Assurance

Dorman designs this thermostat housing as a direct replacement for the stock part on listed vehicles, with materials selected to withstand extreme temperature changes and support long service life. Part number 902-3022 is built for cooling system service on classic Chrysler and Dodge applications.