90049-Zva-000 Flange (5x12) Bolt - Overview. The 90049-ZVA-000 Flange (5x12) Bolt is a crucial component used in Honda marine engine systems. This OEM bolt is specifically designed to ensure secure fastening of parts with precise dimensions of 5x12mm, providing durability and reliable integration within the engine assembly. As an essential part for maintaining the structural integrity of assemblies, it ensures seamless integration with existing parts, maintaining optimal performance and durabili