MP39780 Boat Ignition Key Switch Marine Off Run Start Starter Switch Corrosion Resistant Marine Starter Switch with Brass Back Up Nut

["✅ Direct Replacement Design Designed as a replacement for Sierra MP39780 marine ignition switch. Features OFF-RUN-START operation for dependable engine starting and ignition control.","✅ Corrosion Resistant Construction Built with a corrosion-resistant housing and brass back-up nut to withstand moisture, salt spray, and harsh marine environments.","✅ Enhanced Internal Sealing Features an inner seal between the lock cylinder and contact plate to help protect internal components from moisture and oxidation.","✅ Reliable Ignition Control Provides dependable ignition and starting control for compatible marine electrical systems.","✅ Easy Replacement Manufactured with a mounting configuration comparable to the original MP39780 ignition switch for straightforward replacement in compatible applications."]