【Fitment】This kit widely fits for John Deere lawn and garden tractors X300, X320, X324, X340, X360, X500, X520, X530, X534, X540 with 48 inch and 54 inch mower deck. These wheel arms measure 3/4” diameter. (Note: Please refer to the picture in the listing for proper fitment, or measure the arm shaft diameter before purchasing.) 【Function】AM136328 is used on the left front and right rear side as you sit on the mower. While AM136327 is used on the right front. Direct Replacement for the old or broken part to ensure proper operation of your mowers. 【Material】Made from high quality steel with rust and corrosion resistance. Built to last, this kit is carefully manufactured to ensure high strength and long service time. 【Package】 Comes with two pieces of AM136328 and one piece of AM136327. 【Satisfaction Guarantee】If you're not satisfied with the product, simply return it for a refund in 30 days. We support 30-day refund for return and 12-month warranty. Widely fits for lawn and garden tractors X300, X320, X324, X340, X360, X500, X520, X530, X534, X540 with 48 inch and 54 inch mower deck.