Worm Gear For KitchenAid Stand Mixer 60 toothed worm gearfor 6QT ProfessionalFits Kitchenaid part numbers 9706590, 9703699, 9706770, 9709557 and WP9709231The gear will fit the following models starting with 4KB25G, 4KD2661, 4KG25G, 4KG25H, 4KN15C,4KN15E, 4KP26M1, 4KV25H, 5KP2670, 8KP2670,9KP2670, KB26G, KD2661, KG25H, KM25G, KN15E,KP2670, KP2671, KP26M, KP26N, KT2651, KV25G, KV25H, KV25M.