41100-ZW1-B32ZA Gear NH282MU Case - Overview. The 41100-ZW1-B32ZA Gear NH282MU Case is a critical component supporting Honda marine engine systems. This gear case assembly houses and protects the essential gears that enable smooth propulsion and operational reliability. Built to match factory specifications and dimensions, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM gear case designed specifically for Honda marin