41005-ZW9-634ZA Case Gear *NH282MU* - Overview. The 41005-ZW9-634ZA Case Gear *NH282MU* is a critical component of Honda marine engine systems. This genuine OEM gear case supports the drive system by housing the gears that transmit power from the engine to the propeller, ensuring seamless integration with existing parts and maintaining optimal performance and durability.. Key Features. Genuine OEM gear case designed specifically for Honda marine engines, ensuring perfect fit and factory precisio