Compatible with Optimax engine systems, this ignition switch and coil assembly is specifically designed to integrate seamlessly with specified systems for reliable performance. Replaces original part numbers 3008M0077471, 300879984T01, and 339879984T00, ensuring precise fitment and easy installation without the need for modifications. Built to function as both an automatic ignition switch and a coil component, it delivers consistent engine start capability and dependable electrical transmission for smooth operation. Manufactured for use in both marine and automotive electrical systems, providing versatility for boats, vehicles, and other compatible machinery. Key benefits: Maintains ignition performance for dependable start in all operating conditions Exact replacement for specified OEM part numbers, ensuring compatibility and preventing mismatch issues Suitable for harsh marine environments and varied automotive applications Ideal applications: Marine vessels running Optimax engines, ensuring consistent cold and warm starts while withstanding exposure to moisture and vibration Automotive systems requiring precise ignition coil performance for reliable engine operation Utility or work boats relying on dependable electrical components for daily operation quality construction and exact engineering meet manufacturer specifications, supporting durability and longterm service in demanding conditions.