GY20495 Seat for John Deere JD Riding Mower LA100 L100 L105 L108 L110 L111 X110 102 105 125 No Provision For Operators Presence Switch. NOTE: Original Seat Uses M8X16 Mounting Bolts. These Seats use 5/16"-18 NC Bolts. See Bolt Hole Pattern/Measurements Before Purchase. Replaces Part Number: GY20495, GY21209, AUC11475