Premium quality USA made replacement idler pulley for eXmark zero turn mowers and more. Fits many of the Lazer Z HP 44", 48" and 52" decks, Metro HP 36", 48" and 52" decks, Turf Tracer HP 36", 48" and 52" decks, Turf Ranger, Lazer Z CT 48" deck. If you are not sure if theis idler pulley will fit your mower please contact us and we will help you make sure. Dimensions: Outside Diameter: 5.75" Hub Face: 5.0" Flange Width: 0.25" Overall Height: 2.50" Center Bore 0.6875" (11/16") We sell replacement blades, belts, wheels and more for most brands of finish mowers. If you don't see the parts you need listed please contact us we would love to earn your business. We are listing new items frequently so please check our store often. Part Numbers: 116-4666 We stock a wide variety of replacement parts for Agricultural Equipment please contact us if you have any questions or if you would like more information