Worm Shaft Part Number: 917-04126, 717-04126 Worm Gear Part Number: 917-04861, 91704861, 717-0528A, 717-0528, 917-0528A, 917-0528, 918-0528, 918-0528a, 717-04449, 717-04861, 917-05861, 618-0528 Compatible with Cub Cadet Models: ​11530C, 2X 24, 2X 24 HP, 524SWE, 524WE, 526SWE, 526WE, 528SW, 528SWE, 530SWE, 726TDE, 728TDE, 90026C, CC 600, XT1-LT42, XT2-LX42, Etc Compatible with Craftsman Models: 24710568, 24788173, 24788190, 24788690 28", 24788691, 24788771, 24788787, 24788791, 24788830, 24788955, 24788957, 24788970 26", 24788999 28", 247886911, 247886912, 247881720, 247881721, 247881730, 247881731, 247881900, 247883550, 247883700, 247887900 Chain, 247887900G, 247888301, 247889571 24", 247889701, 247889702 26", 247889703, 31AM63TF799, Etc Compatible with MTD Models: 31AE5KLF304 (2006), 31AE5KLF372 (2006), 31AE5KLF795 (2006), 31AE5KLF795 (2007), 31AE5MLH795 (2007), 31AE6AHE722 (2005), 31AE6BHE718 (2005-2), 31AE6BHE722 (2005), 31AE6GLF722 (2005), 31AE6GLF795 (2006), 31AE6GFF795 (2007), 31AE6LLG722 (2005), 31AE6LFH718 (2005), 31AH5ZLH704 (2008), 31AH6LKH722 (2005), 31AH6ZLG704 (2008), 31AM62KE704 (2008), 31AM63LF704 (2008) Compatible with Husky Models: 31AE6GKH730 (2005-2), 31AS6ACD731 (2005-2), 31AS6FEG731 (2005-2), 31AS6ACD731 (2005), 31AS6CEG731 (2005), 31AS6DEG731 (2005), 31AS6FEG731 (2005), 31AE6GKG731 (2005), 31AE6KKH731 (2005), 31AS6BEE731 (2006), 31AS6FEG731 (2006), 31AS6BEE731 (2007), 31BS6FEG731 (2007), 31AM62EE731 (2008) Compatible with Troy-Bilt Models: 31AM66P3766 (2014) Storm 2625, 23AABA6X711 (2015) Flex, 31AM63P2766 (2015) Storm 2420, 31AH74P4766 (2015) Storm Tracker 2890, 31AM66P3766 (2015) Storm 2625, 31AM56R3711 (2015) Storm 2690xp, 23AABA6X711 (2016) Flex, 31AH5DR5711 (2016) Storm 3090xp, 31AH74P4766 (2016) Storm Tracker 2890, 23AABA6X711 (2017) Flex, 31AM59P4766 (2017) Storm 2890, 31AM5CP3766 (2017) Storm 2690, 31AM5CR3711 (2017) Storm 2690 Compatible with these models: 31AH5IQ4563, 31AH54L3509, 31DH54TE599, 31AH57TH599, 31BM6CKF515, 31BM6BKE515, 31AM6BP2563, 31AH55LU596, 31AH65KH515, 31AM56KF504, 31AH65FH500, 31BH64FF500, 31CH54TF599, 31AH64FF500, 31AH74KG506, 31CH54TE599, 31AM53K2509, 31AH55LH504, 31BS63BD516, 31AM6BKE515, 31AM63KE500, 31BM53TE599, 31AM66KF583, 31AS6BEE500, 31CM63KE515, 31AH5DLH501, 31AH5DKH501, 31BH6DKH515, 31BH64KF515, 31AS62N2711, 31BM63P3711, 31AS63EE799, 31BS6BN2711, 31AS53TF799, 31BS62EE799, 31AS6BEE799, 31AH64Q4711, 31AS58TF799, 31AS62EE599, 31AH55LH565, 31CM53TE599, 31AH64FG529, 31AH53TR756, 31AH54KG500, 31AH5LTT710, 31AM53KE504, 31BH5ZTG599, 31AH5LTT756, 31AH5FPH599, 31BM5BKE501, 31AH5FKF501, 31AH55KH504, 31AM68PE599, 31AE6GLF795, 31AH5DST596, 31AH53TR710, 31AE6LFH718, 31AE6FHF552, 31AE5MLH795, 31AE6GLF596, 31AE5KLF795, 31AH5MLH501, 31AE6MKH515, 31AE7H8F599, 31AE6GFF795, 31AE5KLG513, 31AM5BQ2563, 31AH54LF501, 31DH65KH515, 31AE63KE504, 31BS63EE500, 31AH54KF501, 31AH55LH501, 31AH54LG501, 31AS62ED500, 31AM53KE501, 31AM53Q2563, 31AM53TR710, 31AS53TF599, 31BM53LE565, 31AH65KH500, 31AS63BD500, 31BM53Q2563, 31AE6GTS710, 31AM53LE501, 31AA6AHE552, 31AH64FG500, 31AM59SS596, 31AM63KE504, 31AE6LKG500, 31BM53K2509, 31AS6BEE516, 31AS62EE583, 31AH54K4509, 31AM5CPG599, 31AM63K2509, 31AH54LF565, 31AH54K3509, 31AH5FK4897, 31AH74KG504, 31AH6DQ3563, 31AM5BTR596, 31AH54KS596, 31AS62BD500, 31AH64KF515, 31AM73TS710, 31AH55LT596, 31AH54K3590, 31AM63KE515, 31CM53K2509, 31AH55K4590, 31BH65KH515, 31AH54Q4563, 31AH6FFG500, 31AH75KU596