50214-ZVP-000 Swivel Case Bush - Overview. The 50214-ZVP-000 Swivel Case Bush is a vital component in Honda marine engine steering systems. It serves as a wear-resistant part that supports smooth swivel motion within the steering mechanism, ensuring precise and reliable operation. By providing an essential bearing surface, it reduces wear and extends the longevity of the steering system. Designed to meet factory OEM specifications, this bush integrates seamlessly with Honda marine steering syste