41112-ZW5-612 Vertical Shaft - Overview. The 41112-ZW5-612 Vertical Shaft is a critical rotating component within Honda marine engine systems. It supports the marine propulsion system by efficiently transmitting mechanical power from the engine to the lower unit, ensuring seamless operation. Precisely manufactured to meet factory specifications, this vertical shaft guarantees durability and reliable performance, maintaining system integrity and preventing unnecessary wear.. Key Features. Genuine OEM vertical shaft designed for Honda marine applications.. Transfers rotational power from the engine to the propeller system.. Manufactured to meet precise factory specifications, including dimensions and tolerances.. Ensures smooth integration with existing marine engine hardware and seals.. Made to withstand harsh marine environments, promoting longevity.. Supports reliable and consistent propulsion system performance.. Why Choose Genuine OEM. Using the original Honda 41112-ZW5-612 Vertical