41100-ZW5-704ZA Gear NH282MU Case - Overview. The 41100-ZW5-704ZA Gear NH282MU Case is a specialized component designed for Honda marine engine systems. This genuine gear case serves as the housing for gears in the outboard motor's drive unit, playing a critical role in maintaining the mechanical motion and structural integrity of the system. With precise engineering, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. OEM Honda gea