40201-ZZ3-000ZB Case *NH282MU* - Overview. The 40201-ZZ3-000ZB Case *NH282MU* is a precision-engineered component designed to support Honda marine engine systems. Serving as an extension case, it plays a critical role in housing and protecting internal engine parts, ensuring seamless functionality and reliable performance. Manufactured to OEM factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. The Case *NH282