17700-881-C03ZA Fuel *NH1* Tube - Overview. The 17700-881-C03ZA Fuel *NH1* Tube is a genuine OEM component designed specifically for Honda marine engine fuel systems. This fuel tube acts as a vital conduit, facilitating efficient and reliable fuel flow from the fuel tank to the engine. Engineered to meet factory specifications, it helps maintain the fuel delivery system's operational integrity and performance under demanding marine conditions. Backed by Honda's rigorous quality standards, it ens