This is a A-AH201417 Sheave, Feeder House PN: AH201417Main Description As Following : A-AH201417 Sheave, Feeder House P.N: AH201417 Dim A (1): 12.508" O.D.Dim B (2): 4.878" I.D.Replaces: AH157933 Crossed From: AH157933 JOHN DEERE , CV103647 VAPORMATIC , H107735 JOHN DEERE , H97329 JOHN DEERE , WN-AH201417 , , WNAH201417 , Found in Section & Models : Headers/Platforms/Feeder House > Feeder House Parts, John Deere COMBINE: CTS, John Deere COMBINE: CTS II, John Deere COMBINE: 6620, John Deere COMBINE: 7720, John Deere COMBINE: 9400, John Deere COMBINE: 9410, John Deere COMBINE: 9450, John Deere COMBINE: 9500, John Deere COMBINE: 9500SH, John Deere COMBINE: 9510, John Deere COMBINE: 9510SH, John Deere COMBINE: 9550, John Deere COMBINE: 9550SH, John Deere COMBINE: 9560CTS, John Deere COMBINE: 9560SH, John Deere COMBINE: 9560STS, John Deere COMBINE: 9570STS, John Deere COMBINE: 9600, John Deere COMBINE: 9610, John Deere COMBINE: 9650 Associated Items : New Also A-JD-O-OMH111330, A-JD-O-OMH120048, A-JD-O-OMH111330, A-JD-O-OMH120048 And : Inside Diameter: 4.878" Outside Diameter: 12.508" Replaces: AH157933