New Alternator w/6 Groove Pulley for Cummins Mercruiser 377 Scorpion MPI Horizon 807653 807653T 0251101 M50924 M59207 AC165617 20057 60060 Meets or exceeds OEM specifications One year Warranty! 12V 65 amp Negative polarity 60052 RA00124 18-5960 18-5967 70-31-12176 90-31-7003 90-31-700 600088