16030-ZY3-020 Fuel Pump Unit - Overview. The 16030-ZY3-020 Fuel Pump Unit is a crucial component of Honda marine engine fuel systems. It is responsible for delivering fuel from the tank to the engine at the correct pressure, ensuring reliable engine performance and efficient operation. Designed for Honda Active Marine applications, this fuel pump unit aligns perfectly with factory specifications, fitting seamlessly with existing hardware and seals to maintain optimal system integrity and long-la