This SAEJ1171 certified marine alternator is designed for use compatible with Mercruiser engines, providing a dependable 12 Volt, 70 Amp power supply. It serves as a direct replacement for models such as the 350 Mag MPI and 500 EFI, ensuring your marine engine operates smoothly. The alternator is built to meet high standards for marine applications, making it a Included in the package is one alternator, ready for installation Cross-Reference Part Numbers: 19020611, 19020612, 863077-1, 18-6298, 20815, RA00108, 70-01-8461, 90-01-4425, 3205M, 600SCI, 662SCI, 700SCI