Motorad CH5638 Engine Coolant Thermostat Housing Cover

Engine Coolant Thermostat Housing Cover

Motorad CH5638 is an engine coolant thermostat housing cover built for OE-style cooling system service. It is made from black plastic and uses a 3-hole mounting pattern with a 1.33 in outlet diameter for a direct replacement on select Ford Focus, Ford Escape, and Mazda Tribute applications.

Manufactured to OEM quality standards by an OE supplier, this thermostat housing cover is thermal shock validated and 100% leak tested for cooling system reliability. Motorad CH5638 is a practical replacement choice when servicing a thermostat housing or water outlet on the listed vehicles.

Key Features

• Black plastic construction
• 3 mounting holes for application-specific fitment
• 1.33 in outlet diameter
• No gasket or seal included
• No bolts included
• Thermal shock validated and leak tested
• OE-supplier manufacturing standards

Detailed Description

This Motorad thermostat housing cover is engineered for cooling system service on 2000-2007 Ford Focus, 2001-2004 Ford Escape, and 2001-2004 Mazda Tribute applications. It is a direct-fit engine coolant thermostat housing cover for vehicles that need a replacement thermostat housing or water outlet component. Part number CH5638 is also referenced in OE-style replacement catalogs for the same application.

This part cross-references Dorman OE Solutions 902-1023 for the same application.

Common Repair Uses

• Replacing a cracked or warped thermostat housing cover
• Addressing coolant leaks at the housing or outlet connection
• Restoring proper thermostat housing sealing surfaces
• Repairing cooling system service points on Ford Focus, Ford Escape, and Mazda Tribute models
• Replacing a damaged water outlet housing on listed applications

Installation Notes and Tips

• Verify the outlet diameter and 3-hole mounting pattern before installation.
• Inspect the mating surface, thermostat, and adjacent hoses for wear or damage.
• Because no gasket or seal is included, confirm the required sealing components for your application before assembly.
• Because no bolts are included, reuse or source the correct fasteners as specified for the vehicle.
• Follow the vehicle service procedure for coolant draining, refill, and air bleeding after installation.

Quality Assurance

Motorad manufactures this part to OEM quality standards as an OE supplier. CH5638 is thermal shock validated and 100% leak tested to help confirm cooling system integrity before it reaches service use.