Four Seasons 86105 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Mercedes-Benz

The Four Seasons 86105 Thermostat Housing is designed to maintain optimal engine temperature for select Mercedes-Benz models. This integrated thermostat housing includes a thermostat and gasket, ensuring a complete solution for your vehicle's cooling system needs.

• Constructed from durable aluminum for long-lasting performance
• Includes thermostat and gasket for easy installation
• Flange thickness of 0.38 inches for secure mounting
• Inlet port diameter of 1.73 inches to match OEM specifications
• Bolt hole center-to-center distance of 2.25 inches for precise fit
• Overall height of 3.19 inches to fit designated engine configurations
• Meets or exceeds OEM standards for quality and reliability

About the Four Seasons Thermostat Housing Product Line

The Four Seasons Thermostat Housing product line focuses on integrated thermostat housings designed to replace factory components with precision. This line offers engine coolant components that meet or exceed original equipment manufacturer requirements, providing a reliable fit and function. The 86105 part number is part of this line, combining the thermostat and housing into a single unit to simplify replacement and improve cooling system efficiency.

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 0.38 inches and a bolt hole center-to-center measurement of 2.25 inches, this housing is engineered to fit precisely on compatible Mercedes-Benz engines. The inlet port diameter of 1.73 inches matches OEM dimensions, ensuring proper coolant flow. Overall height is 3.19 inches, designed to fit the specified vehicle models without modification.

Compatible Mercedes-Benz Models

• Mercedes-Benz E280, E300, E320, E350
• Mercedes-Benz GL320, GL350
• Mercedes-Benz ML320, ML350
• Mercedes-Benz R320, R350
• Mercedes-Benz Sprinter, Sprinter 2500, Sprinter 3500, Sprinter 3500XD

Common Issues Addressed by This Thermostat Housing

• Engine overheating due to faulty thermostat housing leaks
• Coolant leaks caused by worn or damaged gaskets
• Improper thermostat operation affecting engine temperature regulation
• Corrosion or cracking in original aluminum housings
• Replacement of integrated thermostat units for improved cooling system reliability

Installation Notes and Tips

When installing the Four Seasons 86105 thermostat housing, 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 or warping. Verify coolant levels and check for leaks after installation. This part is designed for direct replacement on compatible Mercedes-Benz models, minimizing installation time.

Quality Assurance and Warranty

The Four Seasons 86105 thermostat housing meets or exceeds OEM standards, ensuring reliable performance and fitment. Manufactured from high-quality aluminum and including all necessary seals and thermostat components, this part is engineered for durability. Four Seasons products typically come with a limited warranty covering defects in materials and workmanship; please refer to the manufacturer’s warranty details for specific terms.