41100-ZX2-E11ZD Gear *NH565* Case - Overview. The 41100-ZX2-E11ZD Gear *NH565* Case is a vital gearbox casing component designed specifically for Honda marine engine systems. It plays a crucial role in housing and protecting the gear assembly that drives the mechanical motion within the marine propulsion system. Crafted to match Honda's exact factory specifications and tolerances, this part ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Fea