Gates 22831 Radiator Coolant Hose - Upper

Upper Radiator Coolant Hose for Toyota and Lexus

Gates 22831 is a molded upper radiator coolant hose built to OEM-quality specifications for select Toyota and Lexus applications. It is formed for the upper coolant route and uses EPDM construction to handle everyday cooling-system heat and fluid exposure.

Compatible with 2003-2009 Lexus GX470 and 2003-2009 Toyota 4Runner, this molded coolant hose supports a direct replacement for the original upper hose shape and routing. Gates 22831 is part of the Gates Molded Coolant Hose line, which covers upper, lower, bypass, heater, and other coolant hose applications.

Key Features

• Gates Molded Coolant Hose, part number 22831
• EPDM rubber construction for cooling-system service
• Molded shape for the upper radiator hose route
• 1.46 in. inside diameter at both ends
• 20.1 in. centerline length
• No spring and no quick-connect fittings
• Direct fit for select Lexus GX470 and Toyota 4Runner models

Product Details

This radiator coolant hose is engineered for upper hose applications where the factory routing and formed bends matter. The molded profile helps match the original hose path, while the OEM-quality specification supports a proper replacement for aging or damaged cooling hoses. If you are servicing a 2003-2009 Toyota 4Runner or 2003-2009 Lexus GX470, Gates 22831 provides a vehicle-specific solution for the upper coolant connection.

This part cross-references Continental 62803 and Dayco 72301 for the same application.

Common Cooling System Problems It Can Address

• Cracked or split upper radiator hose
• Coolant leaks at the hose body
• Softening, swelling, or heat-related hose wear
• Incorrect hose shape after prior replacement
• Restricted coolant flow caused by a deteriorated hose

Installation Notes and Tips

Inspect the hose routing, clamps, and mating necks before installation. Drain coolant as needed, verify the hose follows the original upper route, and confirm the end diameters match the vehicle connection points. After installation, refill the cooling system and check for leaks at operating temperature.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications for replacement use in the cooling system. The Gates Molded Coolant Hose line is built to cover a wide range of radiator, heater, bypass, and other coolant hose applications.

Fitment

• Fits 2003-2009 Lexus GX470, Upper
• Fits 2003-2009 Toyota 4Runner, Upper