The Perkins 2646F501 is a genuine OEM flexible fuel leak-off hose assembly specifically designed for various Perkins 1100 Series engines. This essential component manages the return of excess fuel from the fuel injectors back to the fuel tank, preventing fuel leaks and maintaining optimal engine performance. Constructed from durable materials, this hose ensures a reliable and secure connection within the fuel system, contributing to the overall integrity and efficiency of the engine's fuel injection system. It measures approximately 150 mm in length, 10 mm in width, 10 mm in height, and weighs 0.05 kg.