Part no. GY20454, GY20962 GY21098 Fit For For John Deere models: 102, 115, 125, 135, 145, 155c, 105 For: 42" cut 100 series LA100, LA110, LA125 , LA120, X110, X120 , LA135 , 48" cut 100 series LA130, LA140, X140 This is a late model spindle with 5/8" - 18 thread on blade Includes pulley mounting and blades mounting nuts Mounting end as used on models after serial number 015480 Note: * Please confirm your old part number matches up with one of the part numbers above * Professional installation is highly recommended (No Instruction Included) * For any needs please contact us.