Four Seasons 86220 Engine Coolant Thermostat / Water Outlet Assembly

Reliable Engine Coolant Thermostat and Water Outlet Assembly

The Four Seasons Water Outlet 86220 is designed to maintain optimal engine temperature for a range of GM vehicles. This assembly includes a thermostat and water outlet, crafted from durable aluminum to ensure long-lasting performance and efficient coolant flow.

• Constructed from high-quality aluminum for durability
• Includes thermostat and gasket for a complete installation
• Compatible with Buick, Cadillac, Chevrolet, GMC, Hummer, and Pontiac models
• Meets or exceeds OEM specifications for reliable fit and function
• Precise dimensions: 2.50 inches maximum height, 2.97 inches bolt hole center-to-center spacing
• Inlet diameter of 1.551 inches and mounting flange width of 0.320 inches

About the Four Seasons Water Outlet Product Line

The Four Seasons Water Outlet product line focuses on engine coolant components designed to provide dependable cooling system performance. This line integrates thermostat and water outlet assemblies engineered to meet OEM standards, ensuring compatibility and durability across various GM vehicles. The 86220 part number is part of this line, offering a complete solution with included thermostat and gasket for streamlined replacement.

Detailed Product Description

This engine coolant thermostat and water outlet assembly is manufactured from aluminum, providing corrosion resistance and strength under high-temperature conditions. The included thermostat regulates coolant flow to maintain engine temperature, while the gasket ensures a secure, leak-free seal. The assembly’s dimensions, including a 2.97-inch bolt hole center-to-center spacing and a 1.551-inch inlet diameter, are designed for precise fitment on compatible vehicles. This part is compatible with a wide range of GM models such as the Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade, Buick LaCrosse, and Hummer H2, among others.

Common Applications and Issues Addressed

• Replacement of faulty or leaking water outlet assemblies
• Thermostat failure causing engine overheating or poor temperature regulation
• Corrosion or damage to original aluminum water outlet components
• Coolant leaks due to worn gaskets or seals
• Maintaining proper coolant flow in GM trucks and SUVs

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid injury. Remove the old water outlet assembly carefully, cleaning the mounting surface thoroughly to remove any old gasket material. Use the included gasket to prevent leaks and torque bolts to manufacturer specifications. Verify proper thermostat orientation during installation to ensure correct coolant flow. This assembly does not include a bleeder screw, so bleeding the cooling system after installation is recommended to remove air pockets.

Quality Assurance and Warranty

The Four Seasons Water Outlet 86220 meets or exceeds OEM standards, providing reliable performance and fitment. Manufactured with precision and quality materials, this part is designed for durability and long service life. Warranty coverage details should be confirmed with the product provider or manufacturer.