Flat belt tensioner pulley Characteristics : A: Outside diameter 101 mm B: Inside throat diameter 77 mm C: Throat height 27 mm D: Hole diameter 10 mm E: Hole type "Bearing" Throat type "Flat " Code: 456546 Original part number reference: 532177968, 532193197 532 19 31-97 532 17 79-68 HUSQVARNA, AYP, PARTNER