Gates CO35087 Engine Coolant Water Outlet

Gates Coolant Outlet CO35087 for GM Applications

The Gates Coolant Outlet CO35087 is an engine coolant water outlet built for direct-fit service on select Cadillac, Chevrolet, and GMC vehicles. Made from steel and supplied with a gasket, it is engineered to match original fit and function while addressing common aftermarket issues with design, material, and manufacturing consistency.

Key Features

• Steel construction for durable cooling system service
• Coolant inlet/outlet assembly with gasket included
• Two-bolt mounting design for OE-style installation
• Outlet outside diameter: 1.36 in.; inside diameter: 1.2 in.
• Gates Coolant Outlet line coverage for thermostat housing and water outlet service
• Direct replacement part number CO35087

Product Details

Gates Coolant Outlet CO35087 is part of the Gates Coolant Outlet line, a program that covers water outlets through complete thermostat housing assemblies. This coolant inlet is built to fit and perform like the original component, helping restore proper coolant routing in vehicles such as the Cadillac XT5, Cadillac XT6, Chevrolet Blazer, Chevrolet Camaro, GMC Acadia, Cadillac CT5, Cadillac CT6, Cadillac ATS, and Cadillac CTS. If you are replacing a worn coolant outlet on a GM cooling system, CO35087 provides a direct-fit service part with the correct steel construction and gasketed seal surface.

This part cross-references OE numbers 12668440 and 12668441 for the same application.

Common Repair Uses

• Coolant seepage at the outlet or housing connection
• Cracked or corroded original coolant inlet/outlet hardware
• Failed gasket sealing at the thermostat housing interface
• Cooling system service on a Cadillac XT5 or XT6
• Replacement during Chevrolet Camaro, Blazer, or GMC Acadia cooling repairs

Installation Notes and Tips

Verify the vehicle’s engine cooling system configuration before ordering and match the OE part number when possible. Inspect the mating surface, hose connection, and adjacent thermostat housing components for wear or corrosion before installation. Use the included gasket and confirm proper bolt alignment and torque during assembly to help maintain a secure seal.

Quality Assurance

Gates designs its coolant outlet program to address common aftermarket fit, material, and manufacturing concerns while maintaining OE-style performance and long service life. CO35087 is built as a direct replacement for select GM vehicles and is backed by Gates’ cooling system product engineering standards.