Maxpower 11634 Idler Pulley Replaces AYP/Craftsman/Husqvarna/Poulan 177968, 193197, 532177968, 532193197 Fits 48 Inch Decks from 2001-up 3-7/8 Inch OD, 3/8 Inch ID, 1-9/16 Inch Height Replaces OEM #177968, 532-177968