50214-ZY3-000 Swivel Case Bush - Overview. The 50214-ZY3-000 Swivel Case Bush is a critical component supporting the swivel system in Honda marine engine systems. This bush provides a wear-resistant interface that facilitates smooth steering and precise movement of the engine's lower unit. Engineered to exact factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Designed specifically for Honda marine swivel cas