ARCO 5370 OMC Starter 55-75hp

3 cylinder 9-tooth drive gearReplaces: OMC 384777, 386657, 391735, 585050, 585058, 586281, 585197, 383691, Sierra 18-5626, 18-5635, 18-5648 NOTE: When ordering drive assemblies for O.M.C. starters, be aware that some O.M.C. outboard starters use a 2-piece drive assembly; older O.M.C. starters use a 1-piece drive assembly.