40107-ZV5-000 Case (Lower) Grom - Overview. The 40107-ZV5-000 Case (Lower) Grom is a vital rubber grommet used in Honda marine engine systems. Serving primarily as a protective seal or buffer, it fits within the lower case assembly to help prevent water intrusion and secure engine rigging components. Designed to maintain the integrity of the engine housing, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM Honda part designed to meet factory specifications and tolerances.. Acts as a sealing buffer in the lower engine case, preventing water and contaminants from entering sensitive areas.. Made from durable rubber material engineered to withstand marine environments.. Ensures proper fit and compatibility with Honda Active Marine engine models.. Maintains water flow and protects internal engine components from damage.. Helps extend engine life and maintain performance through reliable sealing.. Why Choose Genuin