Four Seasons 85105 Engine Coolant Water Outlet

Engine Coolant Water Outlet for OE-Style Cooling Repair

Four Seasons Water Outlet 85105 is an engine coolant water outlet built for direct replacement service in select GM applications. It is made from aluminum and cast iron, includes the gasket or seal, and is listed as meeting or exceeding OEM requirements for fit and function.

This Four Seasons Water Outlet line focuses on cooling-system service parts that restore proper coolant routing at the outlet connection. Part number 85105 is a w/o thermostat outlet style, with a 0.973 in inlet diameter and a 2.625 in bolt hole center-to-center measurement for application-specific fitment.

Key Features

• Four Seasons Water Outlet, part number 85105
• Engine coolant water outlet / outlet style housing component
• Aluminum and cast iron construction
• Gasket or seal included
• Thermostat not included
• Meets or exceeds OEM requirements
• 0.973 in inlet diameter
• 2.625 in bolt hole center to bolt hole center
• Maximum height: 1.585 in
• Mnt flange width: 0.322 in

Detailed Description

Four Seasons 85105 is an engine coolant water outlet for vehicles that use a thermostat housing-style outlet without an integrated thermostat. The housing is specified with aluminum and cast iron materials, and the included gasket or seal supports a proper sealing surface during cooling-system service. This part is a direct-fit cooling component for applications such as 1991-1994 Buick Park Avenue, 1991-1993 Buick Riviera, 1992 Buick LeSabre, 1990-1992 Buick Regal, and 1992 Chevrolet Lumina APV. It also fits 1992 Oldsmobile 88, 1991-1992 Oldsmobile 98, 1992 Oldsmobile Silhouette, 1991-1992 Oldsmobile Toronado, 1992 Pontiac Bonneville, 1992 Pontiac Trans Sport, and 1991 Buick Reatta.

This part cross-references Gates 28340 for the same application.

What It Helps Repair

• Coolant leaks at the water outlet housing
• Cracked or corroded outlet surfaces
• Improper sealing at the thermostat housing connection
• Cooling-system service on vehicles with a separate thermostat
• Fitment issues caused by worn outlet dimensions

Installation Notes and Tips

Verify the inlet diameter, bolt hole spacing, and mounting flange dimensions against the original part before installation. Clean the mating surfaces thoroughly, replace the gasket or seal as needed, and inspect the thermostat separately since this outlet is supplied without one. Confirm vehicle application by year, make, and model before service.

Quality Assurance

Four Seasons 85105 is listed as meeting or exceeding OEM requirements for the specified applications. Use it as an OE-style replacement water outlet for compatible Buick, Chevrolet, Oldsmobile, and Pontiac cooling-system repairs.