CRAFTSMAN / HUSQVARNA / POULAN AYP DECK MANDREL PULLEY FOR 42",50" & 54" RIDING LAWN MOWER / GARDEN TRACTOR / LAWN TRACTOR. AYP # 173436 / 153535 / 129861 / 532153535 / 532173436. ID 5/8" SPLINED, OD 5 3/16", HEIGHT 7/8". FITS MODELS MANUFACTURED BY CRAFTSMAN, HUSQVARNA, POULAN, POULAN PRO, RALLY, WESTERN AUTO AND MANY OTHERS.