Gates CO34783 Engine Coolant Water Outlet

Gates CO34783 Coolant Outlet for Civic

The Gates CO34783 coolant outlet is a cast aluminum engine cooling component built for 2001-2005 Honda Civic applications. It is shaped to match original fit and function while addressing common aftermarket fit and material concerns.

Gates Coolant Outlet parts are part of a full coverage line that ranges from individual water outlets to complete thermostat housing assemblies. This CO34783 unit is made for direct replacement use on the Honda Civic cooling system.

Key Features

• Cast aluminum construction for durability in engine cooling service
• Outlet inside diameter: 0.936 in.
• Outlet outside diameter: 1.1 in.
• 2 bolt holes for secure mounting
• No gasket included
• No seals included
• No bypass holes
• Contents: coolant outlet only

Product Details

Gates CO34783 is an engine coolant water outlet designed for 2001-2005 Honda Civic models. It is engineered to fit and perform like the original part, with cast aluminum construction selected for long service life in the cooling system. If you are replacing a worn or leaking Honda Civic coolant outlet, this part number provides a direct replacement option with the correct outlet dimensions and 2-bolt mounting pattern.

This part cross-references Dorman - OE Solutions 902-5016 for the same application. The Gates CO34783 part number is also referenced in aftermarket interchange listings for this Honda Civic cooling system application.

What It Helps Address

• Coolant leaks at the outlet housing
• Cracked or corroded original coolant outlet material
• Improper sealing from a worn housing surface
• Cooling system service needs on 2001-2005 Honda Civic models

Installation Notes

Verify the outlet diameter, bolt-hole count, and housing style before installation. Because no gasket is included, match the sealing components to the vehicle’s cooling system requirements before assembly. Clean the mating surfaces thoroughly and inspect adjacent hoses and clamps during replacement.

Quality Assurance

Gates positions this coolant outlet line as an OE-style replacement solution focused on fit, function, and long service life. The CO34783 is built to address common aftermarket material and design issues while maintaining the original-style application for Honda Civic cooling service.