AR105432 Seal Kit Fits John Deere Crawler Dozer Lift Tilt Cylinder 450 450B 550One New Aftermarket Replacement Fits John Deere Crawler Dozer Loader Angle, Lift Tilt, Front Blade, Blade Lift Cylinder Seal Kit that fits the following models: Dozer Angle: 450, 450B, 450C, 450D, 450E, 550, 550A, 550B Dozer Lift: 450, 450B, 450C, 450D, 450E, 550, 550A, 550B Dozer Tilt: 450, 450B, 450C, 450D, 450E, 550, 550A, 550B Angling: 690CR, Cylinder: AU13861 Lift: 690CR, Cylinder: AU13861, AU13847 Front Blade: 540, 540A, After Serial Number