50201-ZVT-A10ZB CASE *NHB14M* - Overview. The 50201-ZVT-A10ZB CASE *NHB14M* is an essential component of Honda marine engine systems, specifically designed to serve as a swivel case housing for the NHB14M model. This part plays a critical role in protecting and supporting the engine's swivel mechanism, ensuring reliable operation and durability. Manufactured to precise factory specifications and tolerances, it guarantees seamless integration with existing hardware and contributes to maintaining