50201-ZY3-610ZA Case *NH282MU* - Overview. The 50201-ZY3-610ZA Case *NH282MU* is a crucial component in Honda marine engine systems, specifically designed for the swivel case assembly in 200-225 HP 4-stroke marine engines from 2002 to 2007. Serving as a robust casing, it plays a vital role in housing and protecting vital internal mechanisms within the marine engine's lower unit, ensuring optimal functionality and reliability. Crafted precisely to fit OEM standards, it guarantees seamless integra