90132-ZY3-000 Special (6X37) Bolt - Overview. The 90132-ZY3-000 Special (6X37) Bolt is a crucial component in Honda marine engine systems. This special bolt supports the extension case system, ensuring that key engine parts remain securely fastened for reliable operation. Engineered to exact factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. A special bolt sized 6x37 mm designed for marine engine systems.. OEM genuine Honda component ensuring high-quality and durability.. Supports the extension case system of Honda marine engines.. Manufactured to match Honda's precise factory dimensions and tolerances.. Integrates cleanly with existing hardware and seals for optimal sealing and mounting.. Maintains engine system reliability by providing secure fastening of critical components.. Why Choose Genuine OEM. Using original Honda parts like the 90132-ZY3-000 Special (6X37) Bolt preserves the integrity of