Four Seasons 84907 Engine Coolant Water Outlet

Engine Coolant Water Outlet for GM Applications

Four Seasons Water Outlet 84907 is an engine coolant water outlet built for select Chevrolet and GMC applications from 1977-1984. It is an OE-style replacement with aluminum and cast iron construction, a gasket or seal included, and a thermostat-free design for service where the thermostat is not part of the outlet assembly.

Key Features

• Four Seasons Water Outlet line
• Part Number: 84907
• Engine coolant water outlet, outlet type
• Material: aluminum and cast iron
• Gasket or seal included
• Thermostat not included; style: w/o thermostat
• Meets or exceeds OEM requirements
• Inlet diameter: 1.229 in.
• Bolt hole center to bolt hole center: 3.18 in. and 3.219 in.
• Maximum height: 2.055 in.

Product Details

The Four Seasons Water Outlet 84907 is designed for engine coolant routing at the outlet connection point, helping maintain proper coolant flow in older GM cooling systems. Its OE-matching approach and included gasket or seal support a direct replacement for service on vehicles such as Chevrolet C10, Chevrolet K10, GMC C1500, and GMC K1500 applications. This part cross-references Motorad CH3040 for the same application.

What This Part Helps Address

• Coolant leakage at the water outlet housing
• Corrosion or cracking in the original outlet
• Improper sealing at the coolant connection
• Service replacement on Chevrolet C10 and GMC C1500 cooling systems
• Replacement needs on Chevrolet Camaro, Caprice, Impala, and Nova outlet applications

Installation Notes and Tips

• Verify the inlet diameter and bolt spacing before installation.
• Clean the mating surfaces thoroughly to support a proper seal.
• Use the included gasket or seal during assembly.
• Confirm whether your application requires a thermostat in a separate housing, since this outlet is supplied without one.
• Check the vehicle-specific cooling layout on Chevrolet and GMC models from 1977-1984 before final fitment.

Quality Assurance

Four Seasons lists this water outlet as meeting or exceeding OEM requirements. The part is built for direct replacement use in select Chevrolet and GMC cooling system applications, including 1977-1984 Chevrolet C10, 1979-1984 GMC C1500, and related GM models.