This is a A-3F860-25122 Clutch Disc PN: 3F860-25122Main Description As Following : A-3F860-25122 Clutch Disc P.N: 3F860-25122 Replaces: 3F860-25120Spline Count: 14Spline Diameter: 1.574" Replaces: 3F860-25120 KUBOTA , 3F86025120 KUBOTA , Crossed From: SW08048 , Found in Section & Models : Clutch Parts > Single Clutch, Kubota TRACTOR: M9580 Associated Items : New Also This is An Aftermarket Product And : Replaces: 3F860-25120 Spline Count: 14 Spline Diameter: 1.574"