Four Seasons 86256 Engine Coolant Thermostat / Water Outlet Assembly

Reliable Engine Coolant Thermostat and Water Outlet Assembly

The Four Seasons Water Outlet assembly, part number 86256, is designed specifically for Mercedes-Benz GL320, GL350, ML320, and ML350 models. This engine coolant thermostat and water outlet assembly ensures proper coolant flow and temperature regulation for your vehicle's engine.

• Constructed from durable aluminum for long-lasting performance
• Includes thermostat and gasket for a complete installation
• Maximum height of 3.76 inches and inlet diameter of 1.71 inches
• Bolt hole center-to-center measurement of 2.29 inches for precise fitment
• Meets or exceeds OEM specifications for reliable operation
• Designed specifically for Mercedes-Benz GL320, GL350, ML320, and ML350

About the Four Seasons Water Outlet Product Line

The Four Seasons Water Outlet product line focuses on engine coolant components that maintain optimal engine temperature and prevent overheating. This line includes assemblies that integrate the thermostat and water outlet, providing a streamlined replacement solution. The Water Outlet assemblies are engineered to meet or exceed OEM standards, ensuring compatibility and performance for specific vehicle applications such as the Mercedes-Benz GL and ML series.

Product Details and Specifications

This engine coolant thermostat and water outlet assembly is made from aluminum, offering corrosion resistance and durability under high-temperature conditions. The included thermostat regulates coolant flow based on engine temperature, while the gasket ensures a secure, leak-free seal. With a maximum height of 3.76 inches and a mounting flange width of 0.39 inches, this part fits precisely within the cooling system. The inlet diameter of 1.71 inches and bolt hole spacing of 2.29 inches are designed to match the original equipment for the specified Mercedes-Benz models.

Common Applications and Issues Addressed

• Replacement of faulty or stuck thermostats causing engine overheating
• Repair of leaking or damaged water outlet housings
• Restoration of proper coolant flow to prevent engine temperature fluctuations
• Maintenance of cooling system integrity in Mercedes-Benz GL320, GL350, ML320, and ML350
• Prevention of coolant leaks that can lead to engine damage

Installation Notes and Tips

When installing the Four Seasons 86256 water outlet assembly, ensure the engine is cool before beginning work. Remove the old thermostat and water outlet carefully to avoid damaging surrounding components. Use the included gasket to create a proper seal and torque bolts to manufacturer specifications. Verify coolant levels and check for leaks after installation. This assembly is designed for direct replacement on compatible Mercedes-Benz GL and ML models.

Quality Assurance and Warranty

The Four Seasons 86256 water outlet assembly meets or exceeds OEM standards, providing reliable performance and fitment. The inclusion of the thermostat and gasket ensures a complete and dependable replacement part. Four Seasons products typically come with a limited warranty covering defects in materials and workmanship, supporting confidence in the product's durability and function.