This is a A-AH204587 Sheave, Half, Feeder House PN: AH204587Main Description As Following : A-AH204587 Sheave, Half; Feeder House P.N: AH204587 Dim A (1): 14.170" O.D.Dim B (2): 4.878" I.D. Replaces: H204862 JOHN DEERE COMBINE , Crossed From: AH201889 JOHN DEERE , AV103662 VAPORMATIC , WN-AH204587 , , WNAH204587 , Found in Section & Models : Headers/Platforms/Feeder House > Feeder House Parts, John Deere COMBINE: 9560 (HIGH CAPACITY), John Deere COMBINE: 9560STS (HEAVY DUTY), John Deere COMBINE: 9570STS, John Deere COMBINE: 9660 (HIGH CAPACITY), John Deere COMBINE: 9660CTS (HIGH CAPACITY), John Deere COMBINE: 9660STS (HEAVY DUTY), John Deere COMBINE: 9760STS (HEAVY DUTY), John Deere COMBINE: 9860STS Associated Items : New Also This is An Aftermarket Product And : Inside Diameter: 4.878" Outside Diameter: 14.170"