16617-ZW9-030 Cable Holder - Overview. The 16617-ZW9-030 Cable Holder is an essential component designed specifically for Honda marine engine systems. It plays a crucial role in organizing and securing cables, ensuring they are neatly routed and protected from entanglement or damage. This part supports the marine rigging system by maintaining proper cable management, which is vital for the reliable operation and longevity of your engine. Manufactured to match Honda factory specifications, the 16