H159616 Sprocket Fits John Deere Combine Feeder Chain 9560STS 9570STSOne New Aftermarket Replacement Upper Feeder House Center Drive Chain Sprocket Fits John Deere STS Combines This aftermarket replacement upper feeder house center drive chain sprocket Fits John Deere STS series combines. Positioned at the center upper location of the feeder house, it transmits drive torque through the feeder chain to move crop material into the combine. 1 sprocket required per machine. The sprocket features hardened teeth for extended