Four Seasons 86127 Engine Coolant Thermostat / Water Outlet Assembly

Reliable Engine Coolant Thermostat and Water Outlet Assembly

The Four Seasons 86127 Water Outlet assembly combines a thermostat and outlet in a single aluminum unit designed for efficient engine cooling. This part is engineered to meet or exceed OEM specifications, ensuring dependable performance for select Buick, Cadillac, Chevrolet, and GMC vehicles.

• Constructed from durable aluminum material for corrosion resistance
• Includes thermostat and gasket for complete installation
• Maximum height of 4.5 inches with a 3.44-inch bolt hole center spacing
• Inlet diameter of 1.185 inches and mounting flange width of 0.438 inches
• Compatible with Buick LaCrosse, Cadillac ATS, Chevrolet Malibu, GMC Canyon, and Colorado models

About the Four Seasons Water Outlet Product Line

The Four Seasons Water Outlet product line offers integrated thermostat and water outlet assemblies designed to streamline engine coolant system repairs. This line focuses on providing components that meet or exceed OEM standards, ensuring proper fit and function. The 86127 part number is part of this line, delivering a reliable solution for maintaining optimal engine temperature control in various GM vehicles.

Product Details and Specifications

This engine coolant thermostat and water outlet assembly is crafted from aluminum, providing strength and resistance to corrosion. The included thermostat regulates coolant flow, while the gasket ensures a secure, leak-free seal. With a maximum height of 4.5 inches and precise bolt hole spacing of 3.44 inches, this assembly fits securely in the cooling system. The inlet diameter of 1.185 inches and mounting flange width of 0.438 inches are designed to match OEM dimensions, facilitating straightforward installation.

Common Applications and Problem Resolution

• Replacement of faulty or leaking water outlet assemblies
• Thermostat failure causing engine overheating or poor temperature regulation
• Corrosion or damage to original aluminum components
• Coolant leaks around the thermostat housing
• Maintaining proper coolant flow in Buick LaCrosse, Cadillac ATS, Chevrolet Malibu, GMC Canyon, and Colorado vehicles

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 old gasket material. Use the included gasket to prevent leaks and torque bolts to manufacturer specifications. Verify proper thermostat orientation and coolant flow direction during installation. This assembly is designed for direct replacement on compatible Buick, Cadillac, Chevrolet, and GMC models.

Quality Assurance and Warranty

The Four Seasons 86127 Water Outlet assembly meets or exceeds OEM standards for fit, form, and function. Manufactured with quality aluminum and including all necessary seals, this part is built for durability and reliable engine cooling system performance. Warranty coverage details should be confirmed with the product documentation or supplier.