Gates CO34743 Engine Coolant Water Outlet

Coolant Outlet for Ford V8 Cooling Service

The Gates Coolant Outlet CO34743 is a direct-fit engine coolant water outlet for select Ford trucks and vans from 1990-1996. Built from cast aluminum, it is designed to match original fit and function while addressing common aftermarket material and design issues.

Gates Coolant Outlet parts are built as OE-style replacements with broad coverage across water outlets and thermostat housing assemblies. This line focuses on correct fit, dependable sealing, and long service life for cooling system repairs.

Key Features

• Cast aluminum construction for durable cooling system service
• Coolant outlet with 2 bolt holes for OE-style mounting
• Includes gasket for sealing at installation
• By-pass holes included
• Outlet inside diameter: 1.378 in.
• Outlet outside diameter: 1.592 in.
• By-pass inside diameter: 0.925 in.
• OE exact: No, with fit-and-function replacement design

Detailed Description

Gates CO34743 is an engine coolant water outlet engineered for Ford cooling system repairs where the original outlet has corroded, cracked, or begun leaking. The cast aluminum body helps provide stable fitment and resistance to common wear found in lower-grade aftermarket parts. This part cross-references Dorman - OE Solutions 902-1002 for the same application.

Compatible With 1990-1996 Ford E-150 Econoline, 1990-1996 Ford E-150 Econoline Club Wagon, 1990-1996 Ford E-250 Econoline, 1990-1996 Ford E-350 Econoline, 1990-1996 Ford E-350 Econoline Club Wagon, 1990-1996 Ford F-150, 1990-1996 Ford F-250, 1990-1996 Ford F-350, 1990-1992 Ford Bronco, and 1990-1991 Ford E-250 Econoline Club Wagon. Search terms such as Ford F-150 coolant outlet replacement, Ford Bronco thermostat housing outlet, and Ford Econoline engine coolant water outlet all point to this application.

Common Repair Uses

• Replacing a leaking or warped coolant outlet
• Restoring proper coolant flow at the thermostat housing area
• Repairing corrosion damage on older Ford cooling components
• Addressing cracked outlet flanges or sealing surfaces
• Correcting coolant seepage around the outlet-to-gasket interface

Installation Notes and Tips

Inspect the mating surface, hose connection, and adjacent thermostat housing before installation. Clean all sealing surfaces thoroughly and verify the outlet dimensions match the original part before assembly. Use the included gasket and confirm the bypass passage aligns with the engine’s cooling circuit. For best results, refill and bleed the cooling system according to factory service procedures after installation.

Quality Assurance

Gates designs this coolant outlet to perform like the original part and to provide long service life in everyday cooling system use. The CO34743 is part of Gates’ coolant outlet program, which is built to address common aftermarket fit, material, and manufacturing concerns while maintaining OE-style application coverage.