Gates 23319 Radiator Coolant Hose - Lower or Lower - Engine To Radiator

Gates 23319 Molded Coolant Hose

Gates 23319 is a molded radiator coolant hose built to OEM-quality specifications for lower engine-to-radiator cooling system service. It is formed from EPDM for durability and is shaped to match the original routing on select Honda Pilot and Acura MDX applications.

The Gates Molded Coolant Hose line is engineered for upper, lower, bypass, heater, and other coolant hose positions, giving technicians a direct replacement option for common cooling system repairs. Part number 23319 is a molded design with a 1.22 in. (31 mm) inside diameter at both ends and a 25.2 in. (640 mm) centerline length.

Key Features

• EPDM construction for coolant system service
• Molded shape for proper hose routing
• 1.22 in. / 31 mm inside diameter at both ends
• 25.2 in. / 640 mm centerline length
• No spring and no quick-connect fittings
• Direct replacement style for lower radiator hose applications

Product Details

This Gates molded coolant hose is made for vehicles that need a formed lower hose with the correct bends and dimensions to connect the engine and radiator. It is a practical replacement for cooling system maintenance on 2003-2006 Acura MDX, lower, 2006 Honda Pilot, lower, and 2007-2008 Honda Pilot, lower - engine to radiator. If you are sourcing a Honda Pilot lower radiator hose or an Acura MDX lower coolant hose, Gates 23319 provides the fitment and molded profile needed for a clean replacement.

This part cross-references Bosch 16056 and Continental 62637 for the same application.

Common Repair Uses

• Cracked or softened lower radiator hose
• Coolant seepage at a worn hose body
• Collapsed hose from age or heat cycling
• Incorrect hose routing after prior repair
• Cooling system service on Honda Pilot and Acura MDX models

Installation Notes

Verify hose routing against the original part before installation and confirm the end diameters and centerline length match the vehicle application. Inspect adjoining clamps, radiator necks, and engine fittings for wear or corrosion before reassembly. Drain and refill the cooling system according to the vehicle service procedure after the hose is installed.

Quality Assurance

Gates manufactures molded coolant hoses to OEM-quality specifications for replacement use in cooling system repairs. Part number 23319 is part of Gates’ molded coolant hose line, which covers a wide range of radiator, bypass, and heater hose applications.