Four Seasons 85138 Engine Coolant Thermostat Housing

Reliable Thermostat Housing for Ford and Mercury Vehicles

The Four Seasons Thermostat Housing 85138 is designed to provide a durable and precise fit for select Ford and Mercury models. Engineered from thermoplastic, this engine coolant thermostat housing ensures reliable performance and compatibility with your vehicle's cooling system.

• Constructed from durable thermoplastic material
• Includes gasket or seal for secure installation
• Bolt hole center-to-center measurement of 3.438 inches
• Inlet port diameter of 0.893 inches
• Flange thickness of 0.780 inches for proper sealing
• Overall height of 2.286 inches
• Designed without thermostat included
• Meets or exceeds OEM specifications
• Asymmetrical base design for precise fitment

About the Four Seasons Thermostat Housing Product Line

The Four Seasons Thermostat Housing line focuses on providing high-quality engine coolant components that meet or exceed original equipment manufacturer standards. This product line is engineered to deliver reliable sealing and fitment, ensuring optimal coolant flow and temperature regulation. The 85138 thermostat housing is part of this line, designed specifically for Ford Explorer, Mercury Mountaineer, and Ford Ranger models, offering a direct replacement solution without the thermostat included.

Detailed Product Description

This engine coolant thermostat housing is crafted from thermoplastic, offering resistance to heat and corrosion commonly found in automotive cooling systems. The included gasket or seal ensures a tight, leak-free connection between the housing and engine block. With a bolt hole center-to-center distance of 3.438 inches and an inlet port diameter of 0.893 inches, this housing is engineered for precise alignment and fit. The flange thickness of 0.780 inches contributes to a secure seal, while the overall height of 2.286 inches accommodates the specific design requirements of the compatible vehicles. Note that this housing is supplied without a thermostat, allowing for flexibility in thermostat selection or replacement.

Common Applications and Issues Addressed

• Replacement of cracked or damaged thermostat housing
• Resolving coolant leaks around the thermostat housing area
• Addressing overheating issues caused by faulty housing seals
• Upgrading to a housing that meets or exceeds OEM standards
• Maintaining proper coolant flow in Ford Explorer, Mercury Mountaineer, and Ford Ranger vehicles

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid injury. Remove the old thermostat housing carefully, cleaning the mounting surface thoroughly to remove any old gasket material or debris. Use the included gasket or seal to prevent leaks and torque bolts to manufacturer specifications. Since this housing does not include a thermostat, verify the condition of the existing thermostat and replace if necessary. Proper installation will help maintain optimal engine temperature and prevent coolant leaks.

Quality Assurance and Warranty

The Four Seasons Thermostat Housing 85138 meets or exceeds OEM specifications, ensuring reliable performance and fitment. Manufactured with quality thermoplastic materials, this part is designed for durability and resistance to heat and corrosion. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty against defects in material and workmanship, supporting confidence in your purchase.