90508-ZV0-000 Washer (12.5X32) - Overview. The 90508-ZV0-000 Washer (12.5X32) is a precision engineered component designed for use in Honda marine engine systems. This washer serves a vital function by evenly distributing load and preventing damage between interconnected parts, which is essential for maintaining the longevity and reliability of marine engine components. Manufactured to meet exact Honda OEM specifications, this washer ensures seamless integration with existing parts, maintaining