New SAEJ1171 Certified Marine Starter Gear Reduction Crusader Mercruiser Stern Drive Pleasuercraft Thermo Electron w GM Engines 4.6L 5.0L 5.7L 6.7L 7.4L 283 305 350 427 454 1961 - 1988 18-5902 18-5908 Meets or exceeds OEM specifications One year Warranty! SAEJ1171 Certified for Marine Use ! Legal for Marine use ! Counter Clockwise Rotation! 1108742 1109485 42091 42150 50-65784A1 50-06965A1 50-76965A2 50-76965A3 30110 50-76965A4 981288 982195 984982 986007 RA122009 10059LH ST59LH ST59LHHD 30112 STM59LHHD 30122 30455 RS41114 91-01-3904 1998316 10455602 50-17251A3 50-99419A3 1107742 1107763 1108374 1109369 71-01-4298 1998289 30123 30133 323-626 0171-000 19010615 26925202A 50-76963A3 50-808011A1 50-27455 921288 982195 980820 855334 5276ML 91-01-4433