FeaturesThe wrapper protects the inner layer, strong durability.Special core rubber used for a long service life.Excellent heat-resistance, oil -proof, and wearing resistance.Small friction and large transmission effect during operation.Prevent the generation of the static and keep safe use.Less noise during operation.NotesPlease check your OEM# and belt size before ordering.The number on belt is only the factory code, not the length of belt.139″ is the length Outside circumference.Replace OEM#John Deere: GX20305, GY20571Fits ModelsJohn Deere: 1642HS, 1742HS, L120, L130, L2048, L2548L120 Lawn Tractor – PC9290—-UP to 150000 Serial NumberL130 Lawn Tractor – PC9291—-Up tp A130000 and UP to B020000L2048 Scotts Lawn Tractor with 48-inch Mower Deck – PC9102L2548 Scotts Lawn Tractor with 48-inch Mower Deck – PC9103Package1 x Brand New Classical V Belt 1/2″ x 139″OD??Outside dimension??