40105-ZY9-H00 Grommet - Overview. The 40105-ZY9-H00 Grommet is a critical component used in Honda marine engine systems, particularly for handlebar cable routing and rigging protection. This genuine Honda OEM rubber grommet plays a vital role in keeping water and contaminants out of cable pathways, ensuring reliable and vibration-free operation of the control cables. Engineered to fit precisely with Honda's rigging system, it ensures seamless integration with existing parts, maintaining optimal