Valve stem seal compatible with John Deere models 1040, 1140, 1155, 1157, 1158, 1350, 1550, 1750, 1850, 1850N, 1950, 1950N, 2250, 2450, 2650, 2650N, 2850, 3050, 3350, 3640, 3650, 4050, 840, 940. Replaces part numbers: R110524. Ensure your equipment runs smoothly with this valve stem seal.