Motorad CH4029 Engine Coolant Thermostat Housing

Engine Coolant Thermostat Housing for OE Fit

The Motorad CH4029 engine coolant thermostat housing is built for direct replacement service in select Hyundai, Mitsubishi, and Dodge applications. It is made from steel with a silver finish, includes a gasket or seal, and uses a 1.38 in outlet diameter for a precise cooling-system connection.

Fits 1992-1993 Hyundai Elantra, N/A. Fits 1992-1993 Hyundai Sonata, N/A. Fits 1989-1992 Mitsubishi Galant, N/A. Fits 1989-1990 Dodge Colt, N/A. Fits 1989 Mitsubishi Mirage, N/A.

Key Features

• Motorad CH4029 thermostat housing for engine cooling system service
• Steel construction with silver finish
• 1.38 in outlet diameter and 1.38 outlet port diameter
• Gasket or seal included for sealing at the housing interface
• Two mounting holes for OE-style attachment
• Thermal shock validated and 100% leak tested
• Built to meet or exceed OEM standards

Detailed Description

This thermostat housing is manufactured to OEM quality standards by an OE supplier using proprietary material selected for demanding cooling-system conditions. The Motorad CH4029 is engineered for consistent fit and sealing performance in applications such as the Hyundai Elantra, Hyundai Sonata, Mitsubishi Galant, Dodge Colt, and Mitsubishi Mirage. This part cross-references Dorman OE Solutions 902-3029 for the same application.

Common Cooling System Issues It Can Address

• Coolant leaks at the thermostat housing
• Cracked or corroded housing surfaces
• Poor sealing at the thermostat outlet connection
• Cooling-system service on aging OE housings
• Fitment problems from worn or damaged mounting points

Installation Notes and Tips

Verify the outlet diameter, mounting-hole layout, and vehicle application before installation. Replace the gasket or seal during service, clean the mating surfaces thoroughly, and inspect the thermostat and adjacent coolant hoses for wear before reassembly. The housing is listed for N/A position fitment on the specified vehicles.

Quality Assurance

Motorad validates this housing for thermal shock resistance and leak testing, and states that it meets or exceeds OEM standards. The part is produced by an OE supplier for cooling-system reliability in direct-replacement applications.