Premium Quality Replacement PartSpindle PulleyFor John Deere Models:X320 – TRACTOR, LAWN AND GARDEN – 48 inch X324 – TRACTOR, LAWN AND GARDEN – 48 inch X500 – TRACTOR, LAWN AND GARDEN – 48 inch X520 – TRACTOR, LAWN AND GARDEN – 48 inch X540 Multi-Terrain Tractor – PC9527 – 48 inchX534 Multi-Terrain Tractor with 48-inch or 54-inch Mower Deck – PC9526Order Includes:1 x Pulley | UC21496 M155375Dimensions & Measurements :Width : 25mm | 0.98″Inner Diameter : 19mm | 0.74″Outer Diameter : 130mm | 5.1″**