Gates CO34920 Engine Coolant Water Inlet

Gates Coolant Outlet for Ford Super Duty Applications

The Gates Coolant Outlet CO34920 is an OE-style engine coolant water inlet built for select Ford trucks and vans. It is made from stamped steel and includes a seal for a direct-fit cooling system repair on the lower coolant inlet side.

Gates Coolant Outlet parts are engineered to address common material and design issues found in many aftermarket cooling components. The Coolant Outlet line focuses on fit, function, and long service life, with coverage that ranges from individual water outlets to complete thermostat housing assemblies.

Key Features

• Stamped steel construction for the coolant inlet housing
• OE exact design for proper fit and sealing
• Outlet inside diameter: 1.625 in.
• Outlet outside diameter: 1.8 in.
• Two-bolt mounting pattern
• Includes seal
• Designed as a coolant inlet / coolant outlet service part

Detailed Product Information

Part number CO34920 is a Gates coolant outlet designed for lower coolant inlet service on select Ford E-Series, Excursion, F-250 Super Duty, and F-350 Super Duty models. It is built to match original equipment dimensions and mounting points, helping restore proper coolant flow at the thermostat housing connection. This part cross-references Dorman OE Solutions 902-1108 for the same application.

Compatible With 1999-2003 Ford E-350 Super Duty, lower coolant inlet; 1999-2003 Ford F-250 Super Duty, lower coolant inlet; 1999-2003 Ford F-350 Super Duty, lower coolant inlet; 2000-2003 Ford Excursion, lower coolant inlet; and 1999-2002 Ford E-350 Econoline Club Wagon, lower coolant inlet. It also applies to 2003 Ford E-350 Club Wagon, lower coolant inlet.

Common Repair Uses

• Leaking coolant outlet or inlet housing
• Corrosion or rust at the thermostat housing connection
• Cracked or warped stamped housing surfaces
• Improper sealing at the lower coolant inlet
• Cooling system service on Ford Super Duty and E-Series vehicles

Installation Notes

Verify the outlet diameter, bolt pattern, and lower inlet configuration before installation. Clean the mating surfaces thoroughly and inspect the seal seat for debris or pitting. This part is listed with seal included; no gasket quantity is specified.

Quality Assurance

Gates designs this coolant outlet to fit and perform like the original component, with OE exact dimensions and materials selected for long service life. The CO34920 is built for direct replacement use in the cooling system.