Sierra International 18-6275 Inboard Starter Permanent Magnet Gear Reduction Starter Bolt Pattern: 2 long offset, Clockwise Rotation Use with Late Model 3.0L Engines with 14" Flywheel Fits Volvo Penta, Mercruiser, Marine Power Replaces: Mercruiser 50-807904A1, 50-863007A1, 50-864340A2, 50-806964A4, 50-806964A3, 50-806964A2, 50-812604A2, 50-812428A3, 50-812428A3, 50-12177A2, 50-12121A2, 50-822330A2, 814472, 50-99418A2, 50-77328A3, 50-77328A1 and Volvo 3857747, 3860566