16700-ZX2-003 Fuel pump assembly - Overview. The 16700-ZX2-003 Fuel Pump Assembly is an essential component of the Honda marine engine fuel system. It is responsible for delivering a consistent and pressurized fuel supply to the engine, ensuring optimal combustion and reliable engine performance. Designed to integrate seamlessly with Honda marine engine systems, this assembly supports the efficient and smooth operation of the marine powertrain.. Key Features. This fuel pump assembly is an OEM ge