41112-ZVP-000 Vertical Shaft - Overview. The 41112-ZVP-000 Vertical Shaft is an essential component within Honda marine engine systems. This part plays a key role in transmitting rotational power vertically from the engine to other essential components, ensuring smooth and reliable mechanical motion. As a genuine OEM part, the vertical shaft is manufactured to meet or exceed Honda's strict factory specifications, including precise dimensions and tolerances. This guarantees seamless integration w