90502-ZZ5-D01 Washer (3) - Overview. The 90502-ZZ5-D01 Washer (3) is a crucial component in Honda marine engine systems. This washer supports the rigging and accessory system, playing a vital role in maintaining secure connections and ensuring reliability within various engine assemblies. Engineered to meet or exceed factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Specific OEM washer designed for Honda ma