Four Seasons 86318 Engine Coolant Water Outlet

Engine Coolant Water Outlet for Land Rover

Four Seasons 86318 is an engine coolant water outlet built for reliable coolant routing in the cooling system. This plastic outlet is supplied without a thermostat and without a gasket or seal, making it a direct replacement choice for service work on select Land Rover LR3 and Range Rover Sport applications.

Four Seasons Water Outlet components are backed by more than 50 years of mobile A/C experience and are engineered and tested for dependable operation. This part cross-references Gates CO34973 for the same application.

Key Features

• Engine coolant water outlet for cooling system service
• Plastic construction
• Outlet style without thermostat
• No gasket or seal included
• Inlet diameter: 1.62 in.
• Overall height: 4.28 in.
• Mounting flange width: 0.32 in.
• Four Seasons part number 86318

Detailed Description

Four Seasons 86318 is an engine coolant water outlet designed for vehicles that use a separate outlet housing rather than an integrated thermostat assembly. It is listed for 2005-2009 Land Rover LR3 and 2006-2009 Land Rover Range Rover Sport, with fitment language matching the outlet/water outlet application shown in the catalog data. For buyers searching for a Land Rover LR3 coolant outlet or a Range Rover Sport water outlet replacement, this part number provides a focused OE-style service option.

The housing is made from plastic and measures 1.62 inches at the inlet, 4.28 inches overall in height, and 0.32 inches at the mounting flange width. Because the thermostat is not included, this part is intended for vehicles that retain the thermostat separately. Four Seasons 86318 is also referenced by Focus Auto Parts 86318 and Gates CO34973.

What It Helps Address

• Cracked or leaking coolant outlet housing
• Coolant loss at the water outlet connection
• Damaged plastic outlet from age or heat cycling
• Cooling system service on a Land Rover LR3 or Range Rover Sport
• Replacement of a worn outlet without changing the thermostat assembly

Installation Notes and Tips

Verify the inlet diameter, mounting flange dimensions, and outlet style before installation. This part does not include a thermostat, so confirm that your vehicle uses a separate thermostat assembly. Since no gasket or seal is included, match the sealing components required for your specific repair before reassembly. Fits 2005-2009 Land Rover LR3, outlet; water outlet. Fits 2006-2009 Land Rover Range Rover Sport, outlet; water outlet.

Quality Assurance

Four Seasons engineers and tests its cooling and mobile A/C components for dependable service life. The Water Outlet line reflects the brand’s long-standing focus on repair parts built for consistent operation in demanding vehicle systems.