17938-ZV1-000 Case Grommet B - Overview. The 17938-ZV1-000 Case Grommet B is an essential rubber sealing component designed specifically for Honda marine engine systems. This part supports the rigging and accessory system, providing a watertight seal around critical case openings to prevent water and debris ingress. By maintaining a clean and secure seal, it ensures seamless integration with existing parts, maintaining optimal performance and durability of your marine equipment.. Key Features. OEM Genuine Honda part ensuring exact fit and specifications.. Made from durable rubber material providing reliable watertight sealing.. Prevents water intrusion and protects internal components from debris.. Designed to meet factory specifications, dimensions, and tolerances.. Integrates seamlessly with related rigging and accessory hardware.. Contributes to maintaining system reliability and operational performance.. Why Choose Genuine OEM. Using original Honda parts like the 17938-ZV1-000 Case