Gates 23621 Radiator Coolant Hose - Upper - Radiator To Filler Neck or Upper Right

Gates 23621 Molded Coolant Hose for Mitsubishi Lancer

The Gates Molded Coolant Hose, part number 23621, is an OE-style radiator coolant hose built for specific Mitsubishi Lancer upper cooling-system routes. It is formed to match the original hose path and uses EPDM construction for dependable coolant transfer in the engine bay.

Key Features

• Gates Molded Coolant Hose line for radiator coolant applications
• EPDM material for cooling-system hose service
• Molded shape for the upper radiator-to-filler-neck routing
• End inside diameter: 1.35 in. (34 mm) at both ends
• Centerline length: 15.2 in. (386 mm)
• No spring and no quick-connect fittings
• Part number 23621 for direct reference

Product Details

Gates 23621 is a molded radiator coolant hose engineered for upper cooling-system use on Mitsubishi Lancer models. The molded profile helps match the factory hose path on the upper right and upper radiator-to-filler-neck positions, supporting a clean routing layout in the engine compartment. This hose is part of Gates’ Molded Coolant Hose line, which covers upper, lower, bypass, heater, and other coolant applications with OEM-quality specifications. This part cross-references Bosch 16328 for the same application.

Vehicle Fitment

• Fits 2011-2015 Mitsubishi Lancer, upper radiator to filler neck.
• Fits 2008-2010 Mitsubishi Lancer, upper right.

Common Cooling System Issues

• Cracked or hardened upper radiator hose
• Coolant seepage at the hose body or connection points
• Incorrect hose routing after a replacement
• Restricted coolant flow from a deteriorated hose
• Overheating caused by a damaged radiator coolant hose

Installation Notes

Verify the hose routing, end diameters, and centerline length before installation. Confirm the vehicle position matches the listed fitment for your Mitsubishi Lancer, and inspect adjoining necks and clamps for wear or corrosion before transferring the hose into service. Proper coolant refill and bleed procedures should be followed after replacement.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications for the listed Mitsubishi Lancer applications. The molded construction and EPDM material support accurate fitment and cooling-system service requirements.