90082-ZW4-H01 Cap Bolt (6Mm) - Overview. The 90082-ZW4-H01 Cap Bolt (6mm) is an essential fastener used in Honda marine engine systems. Specifically designed to meet factory specifications, this bolt ensures the secure fastening of various engine components, contributing to the overall reliability and robustness of the marine system. Engineered for precise fit and optimal performance, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Featur