53115-732-000 Handle (Lower) Cap - Overview. The 53115-732-000 Handle (Lower) Cap is a genuine Honda marine engine part that supports the marine rigging system. This essential cap functions as a protective and securing cover for the lower handle in the control mechanism of Honda marine products. Designed to fit precisely within Honda's Active Marine Series, this component helps maintain reliable operation and durable performance. Its OEM design ensures seamless integration with existing parts, m