Four Seasons 86040 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Mercedes-Benz

The Four Seasons Thermostat Housing 86040 is designed to provide precise temperature regulation for your Mercedes-Benz E200, E250, GLE300d, GLK250, ML250, and Sprinter models. This integrated thermostat housing includes a thermostat and gasket, ensuring a complete solution for your engine cooling system needs.

• Constructed from durable aluminum for long-lasting performance
• Includes thermostat and gasket for a complete installation
• Flange thickness of 0.313 inches for secure mounting
• Inlet port diameter of 1.270 inches for proper coolant flow
• Bolt hole center-to-center measurement of 1.74 inches for precise fitment
• Overall height of 3.610 inches to match OEM specifications
• Meets or exceeds OEM standards for quality and reliability

About the Four Seasons Thermostat Housing Product Line

The Four Seasons Thermostat Housing line focuses on integrated thermostat housings designed to maintain optimal engine temperature and coolant flow. The 86040 model is part of this line, offering a complete assembly that includes the thermostat and gasket, simplifying replacement and ensuring compatibility with specific Mercedes-Benz vehicles. This product line emphasizes OEM-equivalent materials and dimensions to support reliable engine cooling system performance.

Product Details and Specifications

This engine coolant thermostat housing is made from aluminum, providing corrosion resistance and durability under high-temperature conditions. The integrated thermostat housing style includes the thermostat itself, eliminating the need for separate parts. The included gasket ensures a proper seal to prevent leaks. With a flange thickness of 0.313 inches and a bolt hole center-to-center distance of 1.74 inches, this housing fits securely on compatible Mercedes-Benz models. The inlet port diameter of 1.270 inches supports efficient coolant flow, while the overall height of 3.610 inches matches OEM dimensions for a precise fit.

Common Applications and Issues Addressed

• Replacement of worn or damaged thermostat housings on Mercedes-Benz E200, E250, GLE300d, GLK250, ML250, and Sprinter models
• Resolving coolant leaks caused by cracked or corroded housings
• Addressing engine overheating due to thermostat failure
• Improving coolant flow and temperature regulation with an integrated thermostat
• Restoring proper engine cooling system function after component wear

Installation Notes and Tips

When installing the Four Seasons Thermostat Housing 86040, ensure the engine is cool before beginning work. Remove the old thermostat housing carefully to avoid damaging surrounding components. Clean the mounting surface thoroughly to ensure a proper seal with the included gasket. Torque bolts to manufacturer specifications to prevent leaks. Verify coolant levels and check for leaks after installation. This part is compatible with specific Mercedes-Benz models including E200, E250, GLE300d, GLK250, ML250, and Sprinter variants.

Quality Assurance and Warranty

The Four Seasons Thermostat Housing 86040 meets or exceeds OEM standards, ensuring reliable performance and durability. The aluminum construction and integrated design provide long service life under normal operating conditions. This part includes a gasket and thermostat for a complete replacement solution. Warranty coverage details should be confirmed with the product documentation or supplier.