Four Seasons 85139 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Ford, Mazda, Mercury

The Four Seasons Thermostat Housing 85139 is designed to provide a durable and precise fit for select Ford, Mazda, and Mercury vehicles. Engineered from thermoplastic material, this engine coolant thermostat housing ensures proper coolant flow and system integrity without including the thermostat itself.

Key Features of Four Seasons Thermostat Housing 85139

• Constructed from high-quality thermoplastic for durability and heat resistance
• Includes gasket or seal for a secure, leak-free installation
• Compatible with Ford B4000, Explorer, Explorer Sport Trac, Mountaineer, Mustang, and Ranger models
• Meets or exceeds OEM specifications for reliable performance
• Designed without thermostat, allowing for flexible thermostat replacement options
• Bolt hole center-to-center measurement of 3.438 inches for accurate fitment
• Non-symmetrical base design tailored to specific engine configurations

Detailed Description of the Thermostat Housing Product Line

The Four Seasons Thermostat Housing product line focuses on providing engine coolant components that meet or exceed original equipment manufacturer standards. This particular thermostat housing, part number 85139, is crafted from thermoplastic material to withstand engine heat and pressure while maintaining a precise fit. The housing is supplied with a gasket or seal to ensure a tight connection and prevent coolant leaks. It is designed without an included thermostat, allowing mechanics or vehicle owners to install a compatible thermostat separately based on their vehicle’s requirements.

Applications and Common Issues Addressed

• Replacement for cracked or damaged thermostat housing in Ford Explorer and Mustang models
• Solves coolant leaks caused by worn or failed housing seals
• Prevents engine overheating by maintaining proper coolant flow
• Addresses fitment issues in Ford Ranger and Mazda B4000 cooling systems
• Restores cooling system integrity in Mercury Mountaineer vehicles

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Use the included gasket or seal to prevent coolant leaks
• Verify bolt hole center-to-center measurement of 3.438 inches matches your vehicle’s specifications
• Do not reuse old gaskets or seals during installation
• Check for proper alignment due to the non-symmetrical base design

Quality Assurance and Warranty Information

Four Seasons Thermostat Housing 85139 meets or exceeds OEM standards, ensuring reliable performance and durability. The part is manufactured with quality thermoplastic material and includes a gasket or seal for secure installation. While specific warranty details may vary, Four Seasons products typically come with a limited warranty against defects in material and workmanship.