90001-ZV5-791 Screw-Washer - Overview. The 90001-ZV5-791 Screw-Washer is a critical fastening component used in Honda marine engine systems. This OEM part plays a vital role in maintaining secure mechanical connections, ensuring the reliable operation and durability of your marine engine. Designed to meet exact factory specifications, this screw-washer integrates seamlessly with existing Honda hardware, preserving optimal performance and long-lasting service.. Key Features. Genuine Honda OEM screw with integrated washer design for dependable fastening.. Precision manufactured to match factory dimensions and tolerances.. Ensures secure assembly within the marine engine system to prevent loosening.. Made from corrosion-resistant materials suitable for harsh marine environments.. Designed for compatibility with Honda marine rigging and accessory systems.. Helps maintain expected durability, performance, and operational feel.. Why Choose Genuine OEM. Using original Honda parts like the 900