17700-ZW9-030 Fuel Tube Assembly - Overview. The 17700-ZW9-030 Fuel Tube Assembly is an essential component in Honda marine engine fuel systems. This genuine OEM Honda part is specifically engineered to ensure consistent and reliable fuel delivery from the fuel tank to the engine. Integral to the fuel system, it supports seamless engine operation by maintaining proper fuel flow that meets factory specifications and standards. Designed to perfectly integrate with existing hardware, seals, and con