Gates CO34750 Engine Coolant Hose Flange

Gates Coolant Outlet CO34750 for Volkswagen Cooling Repair

The Gates Coolant Outlet CO34750 is an engine coolant hose flange built for direct-fit cooling system service on select Volkswagen models. It is made from plastic and includes a seal, giving you a practical replacement for worn or cracked coolant outlet connections.

Gates Coolant Outlets are part of the Coolant Outlet line, a product family focused on OE-style fit and long service life for water outlets, coolant outlets, and thermostat housing assemblies. The CO34750 follows that approach with application-specific dimensions and a design intended to match original fit and function.

Key Features

• Engine coolant hose flange / coolant outlet design
• Plastic construction for OE-style replacement service
• Includes seal for the outlet connection
• Two-bolt mounting pattern
• Outlet inside diameters: 1.03 in, .74 in, .39 in, and 1.035 in
• Outlet outside diameters: 1.26 in, .97 in, and .625 in
• Fits select Volkswagen Golf, Golf City, and Jetta applications
• Gates part number CO34750

Detailed Description

Gates CO34750 is an engine coolant hose flange designed for Volkswagen cooling system repair where the original coolant outlet has aged, cracked, or begun leaking. This coolant outlet uses a two-bolt mounting layout and is built to match the original-style connection points and hose sizes used on the listed applications. The part number CO34750 is a direct reference for buyers searching for a Volkswagen Golf coolant outlet, Volkswagen Jetta coolant hose flange, or Golf City coolant outlet replacement.

This Gates Coolant Outlet is listed for 1999-2007 Volkswagen Golf, 2007-2008 Volkswagen Golf City, and 1999-2005 Volkswagen Jetta. It also covers 2000-2001 Volkswagen Jetta with the note for August 31, 2000 and older vehicles. This part cross-references Dorman OE Solutions 902-707 for the same application.

Common Problems This Part Can Address

• Coolant seepage at a cracked or warped outlet flange
• Leakage around the hose connection point
• Failure of an aging plastic coolant outlet
• Improper sealing at the thermostat housing or outlet interface
• Cooling system service on a Volkswagen Golf, Golf City, or Jetta

Installation Notes and Tips

Verify the hose outlet diameters and bolt-hole layout against the removed part before installation. Clean the mating surface thoroughly so the seal seats evenly, and inspect the connected hoses for hardening or damage that could affect sealing. For 2000-2001 Volkswagen Jetta applications, confirm the vehicle is August 31, 2000 and older before ordering.

Quality Assurance

Gates designs its Coolant Outlet line to address common aftermarket fit, material, and manufacturing concerns while maintaining original-style performance. The CO34750 is built for direct replacement service and long-term cooling system reliability in the listed Volkswagen applications.