This is a A-1688207M91 Trans Disc: 13", 5-pad, solid PN: 1688207M91Main Description As Following : A-1688207M91 Trans Disc: 13", 5-pad, solid P.N: 1688207M91 Spline Count: 21Spline Diameter: 1.142" Replaces: A-VPG2325 MASSEY FERGUSON , 333005040 LUK CLUTCH Found in Section & Models : Clutch Parts > Split Torque Clutch, Massey Ferguson TRACTOR: 375 (S/N Begining W/ S & A And B