41100-ZY6-615ZA Gear *NH282MU* Case - Overview. The 41100-ZY6-615ZA Gear *NH282MU* Case is a critical component designed for Honda marine engine systems, specifically tailored for the lower unit gearcase assembly. This gear case supports the propulsion system by housing crucial mechanical parts that enable efficient power transfer from the engine to the propeller, ensuring reliable and smooth operation. Crafted in an Oyster Silver Metallic finish, it ensures seamless integration with existing pa