Part Name: Belt Tensioner Replace Part Number: RE52490, RE58852, RE68716, RE70535, RE70536(please be sure your old item's part# is the same with one of them) Application: For John Deere 5210, 5310, 5410, 5510, 5420, 5520, 5425, 5525, 5625, 5725, 5065M, 5075M, 5085M, 5095M, 5105M, 5083E, 5093E, 5101E, 6100D, 6110D, 6115D, 6125D, 6130D, 6140D Tractors. Our object is to satisfy all our customers.