Four Seasons 84859 Engine Coolant Water Outlet

Engine Coolant Water Outlet for Ford and Mercury Applications

Four Seasons Water Outlet 84859 is an aluminum engine coolant water outlet built for direct replacement service on select Ford, Lincoln, and Mercury vehicles. It includes the gasket or seal and meets or exceeds OEM requirements for fit and function.

Key Features

• Aluminum construction for cooling system durability
• Gasket or seal included for service replacement
• Outlet style without thermostat
• Symmetrical base design
• 1.340 in. inlet diameter
• Maximum height: 2.530 in.
• Bolt hole center to bolt hole center: 2.6875 in.
• Meets or exceeds OEM specifications

Product Details

This Four Seasons Water Outlet line part is designed as an engine coolant component for vehicles that use a separate thermostat housing arrangement. The aluminum body helps provide a stable mounting surface for the coolant passage, while the included seal supports a proper connection at the mating surface. Four Seasons 84859 is a direct-fit style outlet for classic Ford, Lincoln Continental, Mercury Marquis, and related applications, including Ford Mustang and Thunderbird models listed in the fitment data.

This part cross-references Gates 31410 for the same application.

What It Helps Address

• Coolant leakage at the water outlet or housing interface
• Cracked or corroded original coolant outlet
• Improper sealing from a worn gasket surface
• Replacement needs during cooling system service
• Fitment issues on aging engine coolant components

Installation Notes and Tips

Verify inlet diameter, bolt spacing, and mounting flange dimensions before installation. Clean the mating surfaces thoroughly and inspect adjacent cooling system parts for wear, corrosion, or residue before reassembly. This outlet is supplied without a thermostat, so confirm your vehicle uses a separate thermostat assembly before ordering. Fits 1966-1978 Lincoln Continental, N/A; Fits 1969-1978 Ford LTD, N/A; Fits 1969-1978 Mercury Marquis, N/A; Fits 1970-1971 Ford Mustang, N/A; Fits 1968-1976 Ford Thunderbird, N/A; Fits 1973-1976 Mercury Cougar, N/A; Fits 1977-1978 Ford F-150, N/A; Fits 1977-1978 Ford F-250, N/A; Fits 1977-1978 Ford F-350, N/A; Fits 1977-1978 Mercury Grand Marquis, N/A.

Quality Assurance

Four Seasons 84859 is listed as meeting or exceeding OEM requirements, making it a dependable replacement choice for cooling system repair on compatible Ford, Lincoln, and Mercury vehicles.