90040-ZVL-010 Flange (10x43) Bolt - Overview. The 90040-ZVL-010 Flange (10x43) Bolt is a critical component within Honda marine engine systems. It plays a vital role in securely fastening parts in the rigging and accessories system, ensuring reliable mechanical connections and preventing loosening due to vibration or environmental stresses. Engineered specifically for Honda's marine applications, this flange bolt matches factory specifications precisely, allowing seamless integration with existi