This is a A-H219634 Sprocket, Feeder House PN: H219634Main Description As Following : A-H219634 Sprocket, Feeder House P.N: H219634 Dim A (1): 34 Teeth Crossed From: AMH219634 , , AV104526 VAPORMATIC Found in Section & Models : Headers/Platforms/Feeder House > Feeder House Parts, John Deere COMBINE: 9570STS, John Deere COMBINE: 9670STS, John Deere COMBINE: 9770STS, John Deere COMBINE: 9870STS Associated Items : New Also This is An Aftermarket Product And : Teeth: 34