Belt tensioner pulley for lawn mower compatible AYP HUSQVARNA PARTNER RALLY Outer diameter (mm): 108 Inner diameter (mm): 9,5 Weight: 345 g For models: AYP HUSQVARNA PARTNER RALLY CT150 , CTH160II , GTVH200 , YTH180 , QGT2046A , QP20H46B Part No.: 31270058 Original part No.: