This is a A-L59716 Pulley, Alternator (Double) PN: L59716Main Description As Following : A-L59716 Pulley, Alternator (Double) P.N: L59716 Dim A (1): 1.875"Dim B (2): 3.125"Dim C (3): .670"Dim D (4): .156" Stocked As: A-ADR5054 Found in Section & Models : Ignition & Electrical Parts > Alternators & Related Parts, Case-IH COMBINE: 1660 (SN