90107-ZW1-003 Hex Bolt - Overview. The 90107-ZW1-003 Hex Bolt is a critical fastening component used in Honda marine engine systems. This bolt plays an essential role in securing various parts and maintaining the structural integrity of the engine assembly. Crafted to meet Honda's exact specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Hex Bolt designed explicitly for Honda marine engines, ensuring correct size and strength.. Manufactured as an OEM genuine component, guaranteeing compatibility and reliability.. Supports secure fastening within extension case and gear case assemblies.. Made to precise factory specifications, dimensions, and tolerances for perfect fit.. Integrates cleanly with related hardware to support long-lasting engine operation.. OEM-style design preserves expected durability, performance, and operational feel.. Why Choose Genuine OEM. Using original Honda parts like the 90107-ZW1-003