50201-ZVP-000ZA Swivel *NH565* Case - Overview. The 50201-ZVP-000ZA Swivel *NH565* Case is a crucial component in Honda marine engine systems. Serving as a swivel housing, this part supports the articulation and proper function of the marine rigging system, ensuring seamless rotation and movement essential for the engine's mounting and operation. Crafted to exact factory specifications and finished in the distinctive NH565 color, it ensures seamless integration with existing parts, maintaining o