Four Seasons 84858 Engine Coolant Water Outlet - Front

Four Seasons Water Outlet 84858 Overview

Four Seasons Water Outlet 84858 is an engine coolant water outlet for select Ford and Mercury applications. It is built as an outlet without a thermostat and includes the gasket or seal for service-ready replacement on the cooling system.

This water outlet is a direct-fit style replacement for vehicles such as the Ford Mustang, Ford LTD, Mercury Cougar, and Mercury Montego, with additional coverage for select Ford Econoline vans and the Mercury Capri. Part number 84858 is made to meet or exceed OEM requirements.

Key Features

• Engine coolant water outlet, style without thermostat
• Gasket or seal included
• Aluminum and cast iron construction listed in product attributes
• Inlet diameter: 1.180 in.
• Bolt hole center to bolt hole center: 2.6875 in.
• Maximum height: 2.060 in.
• Mnt flange width: 0.400 in.
• Meets or exceeds OEM requirements

Product Details

Four Seasons Water Outlet 84858 is designed for engine coolant routing at the thermostat housing outlet location where a thermostat is not included. This part number 84858 is used across a range of classic Ford and Mercury platforms, including 1969-1973 Ford Mustang, 1971-1973 Ford LTD, 1971-1973 Mercury Cougar, 1970-1973 Mercury Montego, 1971-1973 Mercury Colony Park, and 1972 Ford Thunderbird. It also covers 1975-1976 Ford E-250 Econoline, 1975-1976 Ford E-250 Econoline Club Wagon, 1975-1976 Ford E-350 Econoline, and 1976 Mercury Capri, front lower.

Four Seasons Water Outlet 84858 is a practical replacement for worn, corroded, or leaking coolant outlet components in the cooling system. This part cross-references Anchor 9537 for the same application.

What It Helps Fix

• Coolant leaks at the water outlet or housing connection
• Corrosion or pitting on the coolant outlet surface
• Damaged sealing surfaces that cause seepage
• Improper coolant flow routing at the outlet connection
• Service issues when replacing a worn outlet on classic Ford and Mercury engines

Installation Notes and Tips

Verify the inlet diameter, bolt spacing, and mounting flange dimensions before installation. Replace the gasket or seal surface as needed and inspect the mating surfaces for corrosion or debris before assembly. Confirm that your application uses an outlet without a thermostat, since thermostat fitment is not included with this part.

Quality Assurance

Four Seasons lists this water outlet as meeting or exceeding OEM requirements, making it a specification-based replacement for cooling system service on select Ford and Mercury vehicles.