Gates CO34998 Engine Coolant Water Outlet

Engine Coolant Water Outlet for GM Applications

Gates CO34998 is an aluminum engine coolant water outlet built for direct replacement service on select Buick, Chevrolet, GMC, and Saturn vehicles. It is engineered to match original fit and function while addressing common aftermarket issues with design, material, and manufacturing consistency.

For drivers searching for a coolant outlet for a 2008-2017 Buick Enclave, 2007-2016 GMC Acadia, or 2009-2013 Chevrolet Traverse, this Gates coolant outlet provides a practical OE-style repair solution. The Gates Coolant Outlet line is built for broad coverage across water outlets and thermostat housing assemblies.

Key Features

• Aluminum construction for cooling-system durability
• Engine coolant water outlet / coolant outlet design
• Outlet outside diameter: 1.56 in.
• Outlet inside diameter: 1.26 in.
• Bolt hole quantity: 2
• Contents include coolant outlet, integrated seals, and bolts
• OE exact: No

Product Details

The Gates CO34998 coolant outlet is designed to fit and perform like the original part on supported GM platforms. It is a direct-fit cooling system component for vehicles that use an engine coolant hose flange or thermostat housing outlet in this configuration. This part cross-references Dorman OE Solutions 902-2098 for the same application. If you are replacing a leaking coolant outlet on a Buick Enclave, GMC Acadia, or Chevrolet Traverse, CO34998 offers a service-ready replacement built around the original layout.

Common Problems This Part Can Address

• Coolant seepage at the outlet housing
• Cracked or warped plastic outlet failure
• Leakage around integrated seal surfaces
• Corrosion or deterioration at the coolant connection point
• Loss of cooling-system integrity at the hose flange

Installation Notes and Fitment

• Fits 2008-2017 Buick Enclave, N/A; Engine Coolant Hose Flange comes with seal included; Coolant Outlet
• Fits 2015-2017 Chevrolet Traverse, N/A; Engine Coolant Hose Flange comes with seal included; Coolant Outlet
• Fits 2009-2013 Chevrolet Traverse, N/A; Engine Coolant Hose Flange comes with seal included; Coolant Outlet
• Fits 2017 GMC Acadia Limited, N/A; Seal included; Coolant Outlet
• Fits 2007-2016 GMC Acadia, N/A; Engine Coolant Hose Flange comes with seal included; Coolant Outlet
• Fits 2007-2010 Saturn Outlook, N/A; Engine Coolant Hose Flange comes with seal included; Coolant Outlet
• Fits 2005-2008 Buick LaCrosse, N/A; Engine Coolant Hose Flange comes with seal included; Coolant Outlet
• Fits 2004-2006 Buick Rendezvous, N/A; Engine Coolant Hose Flange comes with seal included; Coolant Outlet

Before installation, verify the outlet style, hose connection size, and bolt-hole layout against the removed part. Clean the mating surfaces thoroughly and inspect adjacent hoses and seals for wear before reassembly.

Quality Assurance

Gates positions this Coolant Outlet line as a cost-effective replacement for common aftermarket design and material concerns, with coverage intended to match original fit and service life expectations. CO34998 is part of the Gates Coolant Outlet program for thermostat and housing applications.