50161-ZZ3-000ZD Housing *NHB14M* - Overview. The 50161-ZZ3-000ZD Housing *NHB14M* is a vital housing component designed specifically for Honda marine engine systems. This part plays a crucial role in the central mounting (lower) system of the engine, providing a secure and durable enclosure that supports critical engine components. Manufactured by Honda to precise OEM standards, it ensures optimal operation and longevity of your marine equipment. With its Aqua Marine Silver Metallic finish, the