78419-SJ6-003 Clip D - Overview. The 78419-SJ6-003 Clip D is a crucial plastic clip designed for Honda marine engine systems, specifically serving as a secure retainer for speedometer cables. It plays an important role in keeping the marine rigging system operating reliably by firmly holding cables in place and preventing undesired movement or wear, ensuring seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. High-quality plastic clip designed