This is a A-AH131248 Pulley, Separator Fan Drive PN: AH131248Main Description As Following : A-AH131248 Pulley, Separator Fan Drive P.N: AH131248 Dim A (1): Dia: 9.118" ODDim B (2): Bore Dia: 1.252" Crossed From: CV103428 VAPORMATIC , WN-AH131248 , , WNAH131248 , Found in Section & Models : Separator Area > Separator Sprockets and Sheaves, John Deere COMBINE: CTS (SN <670400), John Deere COMBINE: 9400 (SN <670100), John Deere COMBINE: 9500 (SN <670200), John Deere COMBINE: 9500SH (SN <670200), John Deere COMBINE: 9501, John Deere COMBINE: 9600 (SN <670300) Associated Items : New Also This is An Aftermarket Product And : Dim A (1): Dia: 9.118" OD Dim B (2): Bore Dia: 1.252"