This is a A-H159613 Sprocket, Feeder House Shaft, Upper PN: H159613Main Description As Following : A-H159613 Sprocket, Feeder House Shaft, Upper P.N: H159613 Dim A (1): Chain: RC550Dim B (2): Teeth: 10Dim C (3): Bore Dia: 2.254"Dim D (4): Overall Length: 2.421" Replaces: FM113 *** NO CLASS *** , FM113H *** NO CLASS *** , Crossed From: AMH159613 , , AV104420 VAPORMATIC , SH259613 SHOUP , WN-H159613 , , WNH159613 , , 300-D159613 , , 300D159613 , Found in Section & Models : Headers/Platforms/Feeder House > Feeder House Parts, John Deere COMBINE: CTS II, John Deere COMBINE: C670, John Deere COMBINE: T550, John Deere COMBINE: T560, John Deere COMBINE: T660, John Deere COMBINE: W540, John Deere COMBINE: W550, John Deere COMBINE: W650, John Deere COMBINE: W660, John Deere COMBINE: 9410, John Deere COMBINE: 9450, John Deere COMBINE: 9510, John Deere COMBINE: 9510SH, John Deere COMBINE: 9550, John Deere COMBINE: 9550SH, John Deere COMBINE: 9560, John Deere COMBINE: 9560SH, John Deere COMBINE: 9610, John Deere COMBINE: 9640I WTS, John Deere COMBINE: 9640WTS Associated Items : New Also This is An Aftermarket Product And : Dim A (1): Chain: RC550 Dim B (2): Teeth: 10 Dim C (3): Bore Dia: 2.254" Dim D (4): Overall Length: 2.421"