John Deere Original Equipment Pulley - AUC20592 John Deere Original Equipment Pulley - AUC20592 John Deere Original Equipment Pulley - AUC20592 John Deere Original Equipment Pulley - AUC20592 John Deere Original Equipment Pulley - AUC20592 John Deere Original Equipment Pulley - AUC20592 Belt Drive Pulley Part Specifications: Effective Diameter (MM) 101.0000, Groove Width (MM) 24.4000, Width (MM) 0.0000, Bore Size (MM) 8.0000, Distance - Center to End (MM) 15.8000, Material (ALPHA) MULTI Substitutes for AUC11241 Fits the following John Deere Lawn Mower models: X570, X580, X584, X590. This is an O.E.M. John Deere part.