90301-ZY1-871 Hex Nut - Overview. The 90301-ZY1-871 Hex Nut is a specifically engineered fastening component designed to support Honda marine engine systems. This hex nut plays a vital role in securely holding together various engine parts and rigging components, ensuring the marine engine operates reliably even under harsh conditions. Crafted to match Honda's factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine Honda OEM hexagonal nut designed for marine engine applications.. Precisely manufactured to match factory dimensions and tolerances for perfect fit.. Ensures secure fastening and stability of engine rigging and accessory components.. Constructed to resist corrosion and wear typical in marine environments.. Maintains mechanical integrity contributing to overall engine system reliability.. Compatible with Honda marine engine rigging and accessory systems to prevent part mismatch.. Why C