NEW ALTERNATOR FITS MECRUISER MECRUISER 350 MAG MPI HOR ALPHA & BRAVO HORIZON GEN + GM 5.7L 350CI 8CYL 496 MAG HO MPI HORIZON GM 5.7L 350CI 8CYL 1998 862031 862031T 862031T1 19020601 19020609 20800