Gates CO34933 Engine Coolant Thermostat Housing Cover

Coolant Outlet Cover for GM Applications

The Gates Coolant Outlet CO34933 is an OE-style engine coolant thermostat housing cover built for select Buick, Chevrolet, GMC, Pontiac, and Saturn vehicles. It is made from cast aluminum and follows original fitment and performance requirements for a direct replacement on the listed applications.

Gates Coolant Outlet parts are part of a focused product line that covers everything from water outlets to complete thermostat housing assemblies. This line is built to address common aftermarket fitment, material, and design concerns while maintaining the original configuration for service replacement.

Key Features

• Cast aluminum construction for durable cooling system service
• OE exact design for direct replacement fitment
• Thermostat cover / coolant outlet configuration
• Two bolt holes for the listed applications
• Outlet inside diameters: 1.05 in and 0.536 in
• Outlet outside diameters: 1.333 in and 0.743 in
• No gasket, seal, or bypass holes included in the design
• Cross-references Dorman OE Solutions 902-2094 and Four Seasons 85349 for the same application

Detailed Description

Gates CO34933 is an engine coolant thermostat housing cover designed for vehicles that use a two-port coolant outlet layout. The cast aluminum body helps maintain the original housing profile, while the OE exact specification supports proper alignment with the cooling system on applications such as the Chevrolet Malibu, Chevrolet Equinox, GMC Terrain, Buick LaCrosse, and Saturn Vue. This part number, CO34933, is intended for direct replacement service where the original coolant outlet has worn, cracked, or corroded.

Compatible With 2008-2014 Chevrolet Malibu, 2010-2017 Chevrolet Equinox, 2010-2017 GMC Terrain, 2010-2016 Buick LaCrosse, 2007-2010 Saturn Vue, and additional listed Buick, Chevrolet, Pontiac, and Saturn models. The Gates CO34933 coolant outlet is built to match the original design for the covered vehicles and support proper coolant routing through the thermostat housing area.

Common Repair Uses

• Cracked or leaking thermostat housing cover
• Corrosion at the coolant outlet connection points
• Warped or damaged OE-style coolant outlet housing
• Coolant seepage around the thermostat cover area
• Replacement after cooling system service on listed GM models

Installation Notes and Tips

Verify the outlet diameters, bolt-hole count, and housing style against the removed part before installation. This part is listed with no gasket or seals, so confirm the required sealing components for the vehicle and engine configuration before assembly. Clean the mating surfaces thoroughly and inspect adjacent hoses and clamps for wear while the housing is removed. Fitment includes 2011-2017 Buick Regal, 2012-2017 Buick Verano, 2010-2017 Chevrolet Equinox, 2010-2017 GMC Terrain, 2010-2016 Buick LaCrosse, 2012-2015 Chevrolet Captiva Sport, 2014 Chevrolet Impala, 2008-2014 Chevrolet Malibu, 2008-2011 Chevrolet HHR, 2006 Chevrolet HHR, 2008-2010 Chevrolet Cobalt, 2007-2010 Pontiac G5, 2008-2010 Pontiac G6, 2007-2010 Saturn Sky, 2007-2010 Saturn Vue, 2008-2009 Pontiac Solstice, 2007-2009 Saturn Aura, and 2006 Saturn Ion.

Quality Assurance

Gates positions this coolant outlet line as an OE-style replacement solution with full line coverage for cooling system service. The CO34933 is engineered to fit and perform like the original part on the listed applications, supporting long service life in normal cooling system operation.