Erie Tools Spindle Assembly fits AYP 136819 105483X 106037X 121622X 121658X 136818 136819 Husqvarna 532106037 532121658 532136818 AYP Y2050C, Y1844A, Y1844B and YE16H44C; 44" and 50" decks, 1985-1993 Husqvarna: 532106037, 532121658,532136818, 532136819 AYP: 105483X, 106037X, 121622X, 121658X,136818, 136819 Height: 3 3/4" Blade Saddle: 2 1/4"