Brand new castle nut, two washers and cotter pin used on Polaris Sportsman and Ranger 4×4 axles. Exact replacement for Polaris 7555796 (washers), 7547406 (castle nut), and 7661404 (cotter pin). This auction is for one axle. Fits both front and rear axles. Order two kits if you need them for both axles.