16870-ZY3-C00 Fuel Tube - Overview. The 16870-ZY3-C00 Fuel Tube is a crucial part of the fuel system in Honda marine engine systems. It serves as the conduit responsible for transporting fuel efficiently from the tank to the engine, ensuring seamless fuel flow and proper engine operation. This vital component supports engine reliability and performance, integrating flawlessly with existing parts to maintain optimal durability and function.. Key Features. Genuine Honda OEM part designed to meet e