90506-ZZ5-D01 Washer (8mm) - Overview. The 90506-ZZ5-D01 Washer (8mm) is a precision-engineered OEM component designed specifically for Honda marine engine systems. This washer plays a crucial role in load distribution and securing connections in rigging and accessory assemblies, helping to ensure the reliable and safe operation of your Honda marine equipment. Its seamless integration with existing parts maintains optimal performance and durability.. Key Features. Genuine OEM Honda part guaranteeing factory-accurate dimensions and tolerances.. Designed to evenly distribute pressure and prevent damage to connected hardware.. Essential for maintaining mechanical stability and alignment within the rigging system.. Made from high-quality materials providing excellent corrosion resistance, crucial for marine environments.. Perfectly fits with Honda marine engine components, ensuring clean compatibility and ease of installation.. OEM design preserves the integrity and performance expected fr