90031-ZZ5-M01 Flange (10x32) Bolt - Overview. The 90031-ZZ5-M01 flange (10x32) bolt is an essential fastening component in Honda marine engine systems. It plays a critical role in securely fastening key engine parts and accessories, contributing to the mechanical stability and operation of the engine. Engineered specifically to fit Honda marine engines, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. OEM genuine Honda flange bol