API Marine OEM# 10099HD  Heavy Duty Starter for MerCruiser, Volvo or any 3.0L V6- V8 GM engines. 12v for use with 14" flywheel and 11-tooth. This starter has the diagonal bolt pattern. Steel gears. Replaces Mercury #863007A1, 864340A2; Volvo 357625, 3587625, 3860565, 3860566, 3860764, 3885317; Delco # 9000840 and 9000884; Sierra 18-5913; Arco #30470 and 30433. Item was used but in great working condition, please see pictures and video.