34750-ZVP-013 El Control Unit - Overview. The 34750-ZVP-013 El Control Unit is a crucial component within Honda marine engine systems. This electronic control unit acts as the central brain, managing and regulating various engine parameters to ensure reliable and efficient operation of your marine equipment. Designed specifically for use in Honda's advanced marine applications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Gen