17735-ZW9-730 Tube (15MM) - Overview. The 17735-ZW9-730 Tube (15MM) is an essential component in Honda marine engine systems. This 15mm corrugated tube serves as a conduit for fluid or wiring, making it a critical part of the rigging accessories that ensure optimal engine operation and reliability. It is designed to interface smoothly with the marine system components, ensuring seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. OEM Genuine Ho