Valve spring compatible with John Deere models 2056, 2058, 2064, 2066, 2256, 2258, 2264, 2266, 4055, 4255, 4455, 4755, 4955, 7700, 7710, 7800, 7810, 8100, 8100T, 8110, 8110T, 8200, 8200T, 8210, 8210T, 8300, 8300T, 8310, 8310T, 8400, 8400T, 8410, 8410T, 9100, 9780CTS. Replaces part numbers: R91732, R91822. Ensure your equipment runs smoothly with this valve spring.