16865-ZZ3-A00 Fuel Tube B - Overview. The 16865-ZZ3-A00 Fuel Tube B is a genuine Honda marine engine part that plays a vital role in the fuel system, designed to deliver fuel efficiently from the tank to the engine. Supporting Honda's marine engine systems, this fuel tube ensures reliable operation by maintaining a secure and leak-free fuel flow.. Key Features. OEM Honda Fuel Tube B designed specifically for Honda marine engines.. Precisely manufactured to match factory specifications, dimension