40114-ZV5-010 Case (Lower) Grom - Overview. The 40114-ZV5-010 Case (Lower) Grom is a vital component used in Honda marine engine systems. It functions as the lower casing or housing grommet which helps to securely attach rigging hoses or cables, ensuring protection against water intrusion and maintaining the reliability of the engine's rigging system. Designed to seamlessly integrate with engine components, it ensures optimal protection and long-lasting performance.. Key Features. Specifically d