This is a A-1424135M1 PTO Disc: 11" rigid disc, organic PN: 1424135M1Main Description As Following : A-1424135M1 PTO Disc: 11" rigid disc, organic P.N: 1424135M1 A-1424135M1 PTO Disc: 11" rigid disc, organic P.N: 1424135M1 Stocked As: A-1424135M92 Found in Section & Models : Tractor Parts Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada