53108-ZY9-A00 Grommet - Overview. The 53108-ZY9-A00 Grommet is a rubber sealing component used in Honda marine engine systems, specifically designed to secure and protect rigging hose connections. It plays a crucial role in preventing water intrusion and vibration-related damage, thereby helping to maintain the reliability and smooth operation of your marine engine. Crafted to fit precisely with original equipment, it ensures seamless integration with existing parts, maintaining optimal performa