Motorad CH6007 Engine Coolant Thermostat Housing - Upper

Engine Coolant Thermostat Housing for GM HD Trucks

Motorad CH6007 is an engine coolant thermostat housing built for upper cooling-system service on select Chevrolet Silverado HD and GMC Sierra HD applications. It is made from steel with a silver finish and uses a 2.13 in outlet diameter for the listed fitments.

Manufactured to OEM quality standards by an OE supplier, this thermostat housing is thermal shock validated and 100% leak tested. It is a direct-fit cooling-system replacement for vehicles that use an upper engine coolant water outlet with housing.

Key Features

• Steel construction for cooling-system durability
• Silver finish
• 2.13 in outlet diameter
• 4 mounting holes for the listed applications
• Upper engine coolant water outlet with housing configuration
• Thermal shock validated and leak tested
• Motorad CH6007 replacement part number

Detailed Description

Motorad CH6007 is an engine coolant thermostat housing designed for upper cooling-system service on 2004-2010 Chevrolet Silverado 2500 HD, 2007-2010 Chevrolet Silverado 3500 HD, 2004-2010 GMC Sierra 2500 HD, and 2007-2010 GMC Sierra 3500 HD. It also covers 2007 Chevrolet Silverado 2500 HD Classic, 2007 Chevrolet Silverado 3500 Classic, 2007 GMC Sierra 2500 HD Classic, 2007 GMC Sierra 3500 Classic, plus 2004-2006 Chevrolet Silverado 3500 and 2004-2006 GMC Sierra 3500.

This Motorad CH6007 thermostat housing is built from steel and uses a 2.13 in outlet diameter to match the specified upper engine coolant water outlet setup. It is manufactured to OEM quality standards, with validation for thermal shock and leak testing to support reliable cooling-system sealing in the listed Chevrolet Silverado HD and GMC Sierra HD trucks.

This part cross-references Dorman - OE Solutions 902-2127 and Gates CO34833 for the same application.

Common Problems It Can Help Address

• Coolant leakage at the upper thermostat housing or water outlet
• Cracked, warped, or corroded housing surfaces
• Improper sealing at the coolant outlet connection
• Cooling-system service needs on Silverado HD and Sierra HD trucks
• Replacement of a worn engine coolant water outlet with housing

Installation Notes and Tips

Verify the vehicle year, make, model, and upper-position application before installation. This housing does not include a gasket or seal, and bolts are not included, so reuse or source the required sealing and fastening components separately as specified for the vehicle.

Inspect the mating surfaces, coolant passages, and adjacent hoses before installation. Clean all sealing areas thoroughly and confirm the outlet diameter and mounting-hole layout match the original part before reassembly.

Quality Assurance

Motorad states that this housing is produced to OEM quality standards by an OE supplier and is validated for thermal shock and 100% leak tested. The part is also described as meeting or exceeding OEM standards.