New Aftermarket Seat Bolt Kit for installing the 3-PC. cushion Set fits JD models 2010 2510 3010 3020 4000 4010 4020 4320 4520 4620 5020 6030 7020 7520. We are a salvage yard selling used parts for JD tractors and Gators from 2 cylinders to current models.Green Spring Tractor