Alternative model: UC21883. Please note: This product is made of hard plastic material, not metal Compatible with John-Deere S100, S110, S120, S130, S140, S160, S170, S180, S220, S240 Compatible with John-Deere X107, X117R, X127, X147R, X167, X167R Include UC21883 Equipment Knob x 1 Please note that the use of any problem in a timely manner with me to send an e-mail, we will be the first time to help you solve, to give you a satisfactory reply! Replaces Models: UC21883