OEM Part No: JA328821, JA392594, 9540365, 1607813, 6883, A81, 1721532, 61527042130Deck Belt 1/2" x 83"Fits Stihl/Viking model MT835 40" mulch deck Primary Deck BeltFit Simplicity 40" mulch decks.Fits Homelite models LTX11-42Fits Jacobsen models LTX11-42OEM Part No: JA328821, JA392594, 9540365, 1607813, 6883, A81Trans Belt 1/2" x 83"Fits Homelite models LTX11-42Fits MTD models LGT165, 16-46Fits Simplicity 38" cut modelsFits Jacobsen models LTX11-42OEM Part No: JA328821, JA392594, 9540365, 1607813, 6884, 02000154, A81Secondary Deck Belt 1/2" x 83"Fits John Deere model F510 with 38" deck, also uses 78-3844 Primary Deck Belt.Fits Rover models Z FORCE-48, 17AF3AGV 48" cut zero turnFits Cub Cadet models Z-WING 48" cutOEM Part No: 584449201, 158818Primary Deck Belt 1/2" x 83"Fits Craftsman model 917258581, 46" cut