LActrical HIGH OUTPUT 120 AMP ALTERNATOR MERCRUISER STERN DRIVE 120 140 165 175 185 200 205 228 230 260 330 898 GM 2.5L 3.0L 4.1L 4.3L 3.8L 5.0L 5.7L 7.4L ENGINE 1973-1992 PREMIUM QUALITY REPLACEMENT PART