Belt tensioner pulley compatible AYP HUSQVARNA PARTNER RALLY Outer diameter (mm): 50,8 Inner diameter (mm): 19 Height (mm): 25,4 Weight: 106 g For models: AYP HUSQVARNA PARTNER RALLY CT135 , CTH135 , CTH151 , CTH160 , CTH172 Code: 31270198 Original part number: