40105-ZVL-900 Case (Lower) Grom - Overview. The 40105-ZVL-900 Case (Lower) Grom is a crucial rigging component supporting Honda marine engine systems. This genuine OEM part functions as a durable, flexible rubber grommet that seals and protects rigging cables or harnesses where they pass through the lower case area of the engine. By preventing water intrusion and minimizing wear on cables, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Durable rubber construction designed to withstand marine environmental exposure.. Provides a secure, waterproof seal for rigging cables passing through the engine's lower case.. OEM genuine Honda part, precisely manufactured to meet factory specifications, dimensions, and tolerances.. Ensures reliable protection against water intrusion, extending wiring and cable longevity.. Integrates cleanly with existing hardware, seals, and housings for a professional installation.. Maintains system