173901 Flat Idler Pulley used on Craftsman, Poulan, Husky, Wizard.....46" Decks.
173901 Flat Idler Pulley used on 46" Decks, Craftsman, Poulan, Wizard, Husqvarna, More.... Pulley is 4 3/8" OD, Flat OD 3 1/2", Flat width 1", overall width 1 3/8", ID (mounting hole) 3/8" with 1/4" offset.