40201-ZW9-000ZA CASE *NH282MU* - Overview. The 40201-ZW9-000ZA CASE *NH282MU* is a critical component designed specifically for Honda marine engine systems. This extension case supports the gear and housing systems of compatible engines, ensuring structural integrity and reliable protection. Engineered to meet OEM standards, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM Honda extension case designed to match factor