●Compatible with John Deere:102 105 107S 115 125 135 145 155C 190C D100 D105 D110 D120 D125 D130 D140 D150 D160 D170 Mower ●Compatible with John Deere: LA100 LA105 LA110 LA115 LA120 LA125 LA130 LA135 LA140 LA145 LA150 LA155 LA165 LA175 X110 X120 X125 X130R X135R X140 X145 X155R X165 Mower ●Replacement part: GX21994, GX20053, GX20054, GX21924BLE, GX25785BLE. This is 19 teeth design Sector Gear plate, Compatible with John Deere D-Series LA-Series Tractor Mower, Not 25 teeth design! Not compatible with John Deere L-Series ! ●This Steering Sector Gear kit made of high quality material ,it is durable and stable. Easy to install, directly replace the old model. ●Warranty: For any reason, if you are not satisfied with your purchase, pls contact us directly. We offer a half-year warranty , 100% satisfaction guarantee.