NEW OEM DELCO STARTER MERCRUISER 377 SCORPION GM 6.2L 377ci 8cyl 10099 9000821 50-806964A3 50-806964A4 3855177 3854751-9 50-12121A2, 50-12177A2, 50-712428A3 50-812604A2 50-99418A2 984456 986505 100% NEW and Made with the Highest Quality Components Available Full One Year Warranty Computer tested for consistent Quality and unsurpassed reliability OEM Ac Delco Starter - Voltage: 12V Rotation: Clockwise Teeth On Drive / Splines: 11