17710-921-020KA Connector *Nh8* - Overview. The 17710-921-020KA Connector *Nh8* is an essential component in Honda marine engine systems. This connector plays a crucial role in facilitating secure and efficient electrical connections within the fuel system, ensuring optimal performance and reliability of your marine engine. Designed to meet OEM specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Specific fuel connect