04401-ZY6-610ZA Case Kit *NH282MU* - Overview. The 04401-ZY6-610ZA Case Kit *NH282MU* is an essential part of the Honda marine engine systems, specifically designed to support the extension case components. This kit plays a key role in protecting and housing vital engine mechanisms, ensuring reliable operation under various marine conditions. Manufactured to match stringent factory specifications and tolerances, it guarantees seamless compatibility and long-lasting performance within the Honda m