Four Seasons 85331T Engine Coolant Water Outlet Housing Kit

Engine Coolant Outlet Housing Kit

Four Seasons 85331T is an engine coolant water outlet housing kit built for direct replacement service on select Ford and Mercury applications. It combines a plastic outlet and thermostat housing with the thermostat and seals included, helping restore proper coolant routing in the cooling system.

Compatible With 1997-2001 Ford Explorer, 2001 Ford Explorer Sport, 2001 Ford Explorer Sport Trac, 2001 Ford F-100 Ranger, 2001 Ford Ranger, and 1998-2001 Mercury Mountaineer. This Four Seasons 85331T housing kit meets or exceeds OEM requirements and is built to match the original-style fit for the listed vehicles.

Key Features

• Engine coolant water outlet housing kit for thermostat service
• Thermostat included for a complete housing replacement
• Gaskets and seals included
• Plastic construction
• Meets or exceeds OEM specifications
• Inlet diameter: 1.179 in.
• Mounting flange width: 0.395 in.
• Overall height: 2.665 in.

Product Details

The Four Seasons Outlet / Housing Kit line is focused on replacement cooling-system components that match original equipment form and function. Part number 85331T is an outlet and thermostat housing kit with the thermostat included, making it a practical choice when servicing a leaking, warped, or cracked coolant outlet assembly. The Four Seasons 85331T is cross-referenced to Dayco 86103 and Gates CO34736 for the same application.

Common Cooling System Issues

• Coolant leaks at the thermostat housing or outlet
• Cracked or warped plastic housing surfaces
• Improper thermostat operation from a worn housing assembly
• Coolant loss that can trigger overheating concerns
• Seal failure at the housing-to-engine connection

Installation Notes

Verify engine fitment by year, make, and model before installation. Inspect the mating surface, coolant passages, and sensor area for corrosion or residue before assembly. Replace damaged coolant and clean the sealing surfaces so the included gasket and seals can seat correctly. Follow the vehicle service procedure for coolant refill and air bleeding after installation.

Quality Assurance

This Four Seasons 85331T housing kit is manufactured to meet or exceed OEM requirements for the listed Ford Explorer, Ford Ranger, and Mercury Mountaineer applications.