This is a A-1539024C1 Trans Disc: 11", organic, rigid, (LUK design) PN: 1539024C1Main Description As Following : A-1539024C1 Trans Disc: 11", organic, rigid, (LUK design) P.N: 1539024C1 Replaces: K957254Spline Count: 10Spline Diameter: 1.75" Replaces: A-K957254 CASE/INTERNATIONAL HAR. , A-VPG2073 MISCELLANEOUS , 328009450 LUK CLUTCH , 328009456 LUK CLUTCH , 3548120 LUK CLUTCH , Crossed From: AK957254N , Found in Section & Models : Clutch Parts > Continuous Clutch, Case-IH TRACTOR: 1290, Case-IH TRACTOR: 1294, Case-IH TRACTOR: 1390, David Brown TRACTOR: 1200, Clutch Parts > Double Clutch, David Brown TRACTOR: 990, David Brown TRACTOR: 995 Associated Items : New Also A-SMC36, A-SMC36, A-SMC36, A-CA-O-1200DB, A-CA-O-1200TK, A-SMC203, A-SMC203, A-SMC203 And : Replaces: K957254 Spline Count: 10 Spline Diameter: 1.75"