Order Includes: 1x Idler Pulley. Compatible with John Deere models: Riding Mowers, RX63, RX73, RX75, RX95, SX75, SX95. Dimensions & Measurements: Width : 26.8 mm 1.05", Inner Diameter : 9.2 mm 0.36", Outer Diameter : 78 mm 3.0". We strongly suggest comparing the posted picture to the unit(s) that needs to be replaced..
