40201-ZV5-010ZA Case Nh282mu - Overview. The 40201-ZV5-010ZA Case Nh282mu is a vital extension case component designed for Honda marine engine systems. It supports the lower unit assembly, protecting essential internal parts and ensuring smooth mechanical operation within the marine propulsion system. Manufactured to precise factory specifications, it guarantees seamless integration with existing parts, maintaining optimal performance and durability in harsh marine environments.. Key Features. G