One New Aftermarket Replacement Black Seat Fits John Deere Riding Mower Models: L17.542, L1742 (Both "Scotts" Lawn Tractor), 108-14.5, 108-17Hs (Both "Sabo" Lawn Tractor), 14.542Gs, 1642Hs, 17.542Hs, 1742Hs (All "Sabre" Lawn Tractor) Replaces Part Number: Gy20063 This Seat Uses 5/16"-18 Nc Bolts. Please See Bolt Hole Pattern Before Ordering. One New Aftermarket Replacement Black Seat Fits John Deere Riding Mower Models: L17.542, L1742 (Both "Scotts" Lawn Tractor), 108-14.5, 108-17Hs (Both "Sabo" Lawn Tractor), 14.542Gs, 1642Hs, 17.542Hs, 1742Hs (All "Sabre" Lawn Tractor) Tech Info:Original Seat Uses M8X16 Mounting Bolts, This Seat Uses 5/16"-18 Nc Bolts. Please See Bolt Hole Pattern Before Ordering. Replaces Part Number: Gy20063