Motorad CH6039 Engine Coolant Thermostat Housing

Engine Coolant Thermostat Housing for OE Fitment

Motorad CH6039 is an engine coolant thermostat housing built to OE quality standards for dependable cooling-system service. It is made from steel with a silver finish and a 1.35 in outlet diameter, making it a direct replacement style part for select Toyota Pickup, Toyota Celica, and Isuzu I-Mark applications.

Compatible With 1982-1987 Toyota Pickup, 1983 Toyota Celica, and 1989 Isuzu I-Mark cooling system service. This Motorad CH6039 thermostat housing is engineered for vehicles that use an engine coolant water outlet with housing.

Key Features

• Steel construction for durable cooling-system service
• Silver finish
• 1.35 in outlet diameter
• 2 mounting holes for OE-style attachment
• Thermal shock validated and 100% leak tested
• Built to meet or exceed OEM standards

Detailed Description

The Motorad CH6039 engine coolant thermostat housing is manufactured by an OE supplier using proprietary material selected for demanding automotive cooling systems. Its steel construction and 1.35 in outlet port diameter support proper coolant routing at the thermostat housing location, helping maintain the factory-style cooling layout on select Toyota Pickup, Toyota Celica, and Isuzu I-Mark vehicles. The CH6039 is a practical replacement for worn, corroded, or leaking coolant outlet housings.

This part cross-references Dorman - OE Solutions 902-5039 and Dayco 85018 for the same application.

What It Helps Solve

• Coolant leaks at the thermostat housing or water outlet
• Corrosion or cracking in the original steel housing
• Improper sealing caused by a damaged outlet surface
• Cooling-system service needs on older Toyota Pickup, Toyota Celica, and Isuzu I-Mark models
• Replacement of a worn engine coolant water outlet with housing

Installation Notes and Tips

• Verify the outlet diameter and mounting-hole layout before installation.
• Inspect the mating surfaces and replace any damaged coolant hoses or clamps during service.
• Gasket or seal is not included, and bolts are not included.
• Confirm vehicle-specific fitment for 1982-1987 Toyota Pickup, 1983 Toyota Celica, or 1989 Isuzu I-Mark before ordering.

Quality Assurance

Motorad manufactures this thermostat housing to OEM quality standards as an OE supplier. The CH6039 is thermal shock validated and 100% leak tested to support consistent sealing performance in automotive cooling systems.