Four Seasons 86206 Engine Coolant Thermostat / Water Outlet Assembly

Engine Coolant Thermostat / Water Outlet Assembly

Four Seasons 86206 is an aluminum engine coolant thermostat and water outlet assembly built for direct replacement service. It includes the thermostat and meets or exceeds OEM requirements, making it a practical choice for cooling system repairs on select Chevrolet, Buick, and GMC applications.

The Four Seasons Water Outlet line focuses on cooling system components that restore proper coolant routing and temperature control. This part number, 86206, is a water outlet assembly with thermostat included for vehicles that use an integrated outlet design.

Key Features

• Aluminum construction for cooling system durability
• Thermostat included
• Meets or exceeds OEM specifications
• Outlet style design
• 2 mounting holes with 3.000 in. bolt hole center spacing
• Inlet diameter: 1.189 in.
• Maximum height: 4.75 in.
• Mounting flange width: 0.456 in.
• Gasket or seal not included
• Bleeder screw not included

Detailed Description

Four Seasons 86206 is an engine coolant thermostat / water outlet assembly designed for vehicles that use an integrated outlet and thermostat layout. The aluminum housing supports cooling system service where the original outlet has worn, warped, or developed leaks. This part cross-references Gates 34842 for the same application. Common search terms for this part include Chevrolet Equinox water outlet with thermostat, Chevrolet Malibu coolant outlet assembly, and GMC Terrain thermostat housing replacement.

What It Helps Repair

• Coolant leaks at the thermostat housing or outlet
• Overheating caused by a failing thermostat assembly
• Cracked or corroded aluminum coolant outlet components
• Temperature control issues from a worn thermostat
• Service replacement for integrated water outlet designs

Installation Notes

Verify the inlet diameter, mounting hole count, and bolt hole spacing before installation. This assembly does not include a gasket or seal, so reuse is not recommended unless the existing seal is confirmed serviceable. Bleeder screw hardware is not included. Confirm VIN-specific fitment on applications such as Buick Encore and Chevrolet Cruze models that require the 8th digit of the VIN to be M.

• Fits 2018-2024 Chevrolet Equinox, Water Outlet
• Fits 2021-2024 Chevrolet Malibu, Water Outlet
• Fits 2017-2019 Chevrolet Malibu, Water Outlet
• Fits 2021-2024 GMC Terrain, Water Outlet
• Fits 2018-2019 GMC Terrain, Water Outlet
• Fits 2020-2022 Buick Encore, Eighth Digit of VIN is M; Water Outlet
• Fits 2016-2022 Chevrolet Spark, Water Outlet
• Fits 2021-2022 Chevrolet Trax, Aluminum; Water Outlet
• Fits 2019 Chevrolet Trax, Aluminum; Water Outlet
• Fits 2016-2019 Buick Encore, 8th Digit of VIN is M; Water Outlet
• Fits 2017-2019 Chevrolet Cruze, Water Outlet
• Fits 2016-2017 Chevrolet Spark Classic, Water Outlet
• Fits 2016 Chevrolet Cruze, 8th Digit of VIN is M; Water Outlet
• Fits 2016 Chevrolet Cruze Limited, 8th Digit of VIN is M; Water Outlet
• Fits 2016 Chevrolet Cruze NG, 8th Digit of VIN is M; Water Outlet
• Fits 2016 Chevrolet Malibu, w/ Gasket, Housing and Thermostat; Water Outlet
• Fits 2016 Chevrolet Spark EV, Water Outlet

Quality Assurance

Four Seasons 86206 is listed as meeting or exceeding OEM requirements for the specified applications. The aluminum construction and integrated thermostat design support accurate replacement of the original coolant outlet assembly.