41100-ZW5-701ZA Gear NH282MU Case - Overview. The 41100-ZW5-701ZA gear NH282MU case is a critical component of Honda marine engine systems. It functions as the gear case assembly, housing and protecting the gears that transfer power from the engine to the propeller, ensuring effective propulsion. Engineered for the Honda NH282MU model and finished in Oyster Silver Metallic, this OEM gear case supports the smooth operation of the lower unit transmission, helping maintain reliable boat performance