36104-ZW9-003 Spiral A Tube - Overview. The 36104-ZW9-003 Spiral A Tube is a genuine Honda marine engine system part designed to support the rigging and accessory system within Honda's marine engine applications. This spiral tube plays a vital role in managing and channeling fluids or gases efficiently within the system, ensuring the engine operates reliably and maintains optimal performance. Designed specifically for marine environments, it guarantees seamless integration with existing parts, m