90518-ZVA-000 Plain (8MM) Washer - Overview. The 90518-ZVA-000 Plain (8MM) Washer is a vital component in Honda marine engine systems. This washer serves as a flat ring designed to distribute the load of a fastener, protecting the surface of connected parts to maintain reliable engine operation. It plays a crucial role in ensuring secure mounting and preventing damage to surfaces during mechanical assembly.. Key Features. Precision 8mm diameter plain washer.. Genuine OEM Honda component, ensuring factory-grade quality.. Distributes fastener load evenly to protect engine parts.. Matches exact factory specifications, dimensions, and tolerances.. Seamlessly integrates with existing hardware and seals.. Designed to maintain expected durability and performance under marine conditions.. Why Choose Genuine OEM. Using original Honda parts like the 90518-ZVA-000 Plain (8MM) Washer preserves the integrity and performance of your marine engine. OEM components maintain exact material quality, prec