Four Seasons 85671 Engine Coolant Water Outlet Housing Kit

Engine Coolant Outlet Housing Kit for Ford Applications

Four Seasons 85671 is an engine coolant water outlet housing kit built for specific Ford cooling system applications. It combines the outlet housing and thermostat in one OE-style replacement, with gasket/seals included for a cleaner service job.

Compatible with 1997-2000 Ford Explorer, 2000 and 1998-1999 Mercury Mountaineer, and 2001 Ford Ranger, this Four Seasons outlet / housing kit is made from thermoplastic and meets or exceeds OEM requirements.

Key Features

• Engine coolant water outlet housing kit with thermostat included
• Gasket/seals included
• Thermoplastic construction
• Meets or exceeds OEM specifications
• Inlet diameter: 1.203 in.
• Mounting flange width: 0.464 in.
• Overall height: 2.372 in.
• Four Seasons part number 85671

Product Details

Four Seasons 85671 is part of the Outlet / Housing Kit line and is built as an outlet and thermostat housing kit for engine coolant service. The integrated thermostat housing layout supports direct replacement on the listed Ford Explorer, Mercury Mountaineer, and Ford Ranger applications. This part cross-references Gates CO34736 for the same application.

Common Cooling System Issues It Can Address

• Coolant leaks at the thermostat housing or outlet connection
• Cracked or warped plastic housing surfaces
• Improper thermostat housing sealing
• Overheating caused by a failing thermostat assembly
• Service issues related to worn coolant outlet components

Installation Notes and Tips

Verify engine configuration and sensor requirements against the vehicle listing before installation. Inspect the mating surfaces, coolant passages, and hose connection points for damage or residue before fitting the new housing. Use the included gasket/seals during assembly and refill the cooling system with the correct coolant mixture after installation. Confirm there are no leaks and that operating temperature stabilizes normally.

Quality Assurance

This Four Seasons coolant outlet housing kit is manufactured to meet or exceed OEM specifications for the listed applications. The thermoplastic construction and OE-style fitment support reliable replacement service on 1997-2000 Ford Explorer, 2000 and 1998-1999 Mercury Mountaineer, and 2001 Ford Ranger models.