OEM Replacement Belt / Exmark 103-6906-SPack Size:1Exmark 103-6906, Exmark 103-6906-SJ. Thomas BT-650, Landscaper Express 1036906, NHC 230-6183Exmark Lazer Z (540,000 and higher)Belt Application: Pump drive, Type: Multi Ribbed, Width: 3/4 ", Length: 58 1/2 "