This is a A-374033R1 Disc, Clutch Inner, NEW PN: 374033R1Main Description As Following : A-374033R1 Disc, Clutch Inner, NEW P.N: 374033R1 Spline Count: 34Spline Diameter: 3.590" Stocked As: A-02003660 Found in Section & Models : PTO Parts > PTO and Related Parts, Case-IH TRACTOR: 340, Case-IH TRACTOR: 460, Case-IH TRACTOR: 504, Case-IH TRACTOR: 560, Case-IH TRACTOR: 606 Associated Items : New Also A-FO-P-SHERF9BH, A-IH-C-MUSCLES, A-IH-O-CUBPM, A-IH-O-340ETCPM, A-IH-O-340I, A-IH-O-340I3PT, A-IH-O-3402PT, A-IH-O-340340UT, A-IH-P-3082, A-IH-P-340FAU, A-IH-S-BRAKEREP, A-IH-S-CARBSPEC, A-IH-S-ELECDIA, A-IH-S-HMTRANFD, A-IH-S-TOOLSLATE, A-IH-S-TUNEUP, A-IH-S-140EL, A-IH-S-340, A-MAG-S-317, A-SMIH201 And : Spline Count: 34 Spline Diameter: 3.590"