Four Seasons 86133 Engine Coolant Thermostat / Water Outlet Assembly

Reliable Engine Coolant Thermostat and Water Outlet Assembly

The Four Seasons Water Outlet 86133 is designed to maintain optimal engine temperature for Buick, Chevrolet, and Pontiac vehicles. This assembly includes a thermostat and water outlet, engineered to meet or exceed OEM specifications for reliable cooling system performance.

• Constructed from durable aluminum for long-lasting use
• Includes thermostat and gasket for complete installation
• Maximum height of 4.75 inches and precise bolt hole spacing of 2.42 inches
• Inlet diameter of 1.315 inches ensures proper coolant flow
• Compatible with Buick Lucerne, Chevrolet Montana, Pontiac Terraza, and Chevrolet Uplander models

About the Four Seasons Water Outlet Product Line

The Water Outlet product line by Four Seasons focuses on engine coolant components designed to provide reliable temperature regulation and coolant flow. This line integrates the thermostat and water outlet into a single assembly, simplifying installation and ensuring compatibility with specific vehicle models. The 86133 part number represents a precise fit for select Buick, Chevrolet, and Pontiac vehicles, maintaining OEM standards for performance and durability.

Product Details and Specifications

This engine coolant thermostat and water outlet assembly is made from aluminum, offering corrosion resistance and strength. The included thermostat regulates engine temperature by controlling coolant flow, while the gasket ensures a secure, leak-free seal. The mounting flange width measures 0.410 inches, and the bolt hole center-to-center distance is 2.42 inches, providing an exact fit for the intended vehicles. The inlet diameter of 1.315 inches supports efficient coolant circulation within the cooling system.

Common Applications and Problem Resolution

• Replaces faulty or leaking water outlet assemblies
• Restores proper engine temperature regulation
• Prevents engine overheating due to thermostat failure
• Eliminates coolant leaks caused by worn gaskets or seals
• Ensures consistent coolant flow in Buick Lucerne, Chevrolet Montana, Pontiac Terraza, and Chevrolet Uplander

Installation Notes and Tips

When installing the Four Seasons Water Outlet 86133, ensure the engine is cool before beginning work. Remove the old assembly carefully to avoid damaging surrounding components. Use the included gasket to create a proper seal and torque bolts to manufacturer specifications. Verify that the thermostat is correctly seated to prevent coolant flow issues. Proper installation will help maintain engine cooling efficiency and prevent leaks.

Quality Assurance and Warranty

This Four Seasons Water Outlet assembly meets or exceeds OEM standards, ensuring reliable performance and durability. The part number 86133 is manufactured with quality materials and precision engineering. The product includes a gasket and thermostat for a complete replacement solution. Warranty details are provided by Four Seasons and typically cover defects in materials and workmanship.