This is a A-AH143399 Feeder House Chain, Wide Spaced PN: AH143399Main Description As Following : A-AH143399 Chain, Feeder House; Wide Spaced P.N: AH143399 51- 22 1/4" slats Contour Master; Chrome PinsC to C Of Sprocket: 19 3/8"Links: 101Quantity-Chain: 4-CA550 Crosses To: A-AH143399 JOHN DEERE , Replaces: AH138186 JOHN DEERE COMBINE , AH207778 JOHN DEERE , FJD9600T JOHN DEERE COMBINE , FJD960024T JOHN DEERE COMBINE , FJD960024TC JOHN DEERE COMBINE , Crossed From: AH138186-N , , A-AH143399 JOHN DEERE , AH143399-N , , AMAH207778 , , AV103483 VAPORMATIC , F9649 SHOUP , WN-AH207778 , , 300-D207778 , , 300D207778 , Found in Section & Models : Headers/Platforms/Feeder House > Feeder House Chain, John Deere COMBINE: 9600, John Deere COMBINE: 9610, John Deere COMBINE: 9650, John Deere COMBINE: 9660 Associated Items : A-H207776 Also This is An Aftermarket Product And : 51- 22 1/4" slats Contour Master; Chrome Pins C to C Of Sprocket: 19 3/8" Links: 101 Quantity-Chain: 4-CA550