For SDUT-17291, Drive United Technologies 10T, CCW, 6 Splines, 1 lb RN 68575 Mercury Marine: 1801940, 1801940-DV30SM, 7017540, 7017540-DV30SM, DV18019, DV70175 United Technologies: OEM Unit Numbers For Delco RS41002, RS41006, RS41007, RS41007, RS41017, RS41035, RS41037, RS41038 Mercury Marine 50-29105, 50-30842, 50-31976, 50-32411, 50-37274, 50-44369, 50-44369A1, 50-48643, 50-57485, 50-57867, 50-65436, 50-72467, 50-73521, 50-822462, 50-822462-1, 50-822462T1, 50-856771, 50-893890T Prestolite 20513503TBA, 20513504TBA, 20513506TBA, 20513538TBA Stratoline 80-5399, 80-5401, 80-5708, 80-5719, 80-5721, 80-5726, 80-5733, 80-5735 United Technologies 0139940-M030SM, 0228940-M030SM, 0246540-M030SM, 0246640-M030SM, 0262640-M030SM, 0996340-M030SM, 1065221-M030SM, 1097028-M030SM, 1147840-M030SM, 139940, 1791640-M030SM, 1791740-M030SM, 2020740, 2070240-M030SM, 2070329-M030SM, 2070340-M030SM, 4730920-M030SM, 4730940-M030SM, 4820140-M030SM, 4820240-M030SM, 4820340-M030SM, 4836940-M030SM, 4838640-M030SM, 4840540-M030SM, 5675640-M030SM, 5705040-M030SM, 7038140-M030SM, 996240, POC4001, SM01399, SM02289, SM02465, SM02466, SM02626, SM09963, SM10652, SM10790, SM10970, SM11478, SM17916, SM17917, SM17919, SM20207, SM20702, SM20703, SM47309, SM47764, SM48201, SM48202, SM48203, SM48369, SM48386, SM48405, SM56756, SM57050, SMH12C31, SMH12C41 Tech Notes Spiral Spline 1.26" / 32.1mm OD