This is a A-N102042 Washer, Drive Sprocket PN: N102042Main Description As Following : A-N102042 Washer, Drive Sprocket P.N: N102042 A-N102042 Washer, Drive Sprocket P.N: N102042 Crossed From: SH202042 SHOUP Found in Section & Models : Headers/Platforms/Feeder House > Corn Head Parts, John Deere HEAD, CORN: 1092 (SN <665400), John Deere HEAD, CORN: 1290 (SN <665400), John Deere HEAD, CORN: 1291 (SN <665400), John Deere HEAD, CORN: 1293 (SN <665400), John Deere HEAD, CORN: 592 (SN <665400), John Deere HEAD, CORN: 693 (SN <665400), John Deere HEAD, CORN: 694 (SN <665400), John Deere HEAD, CORN: 893 (SN <665400), John Deere HEAD, CORN: 894 (SN <665400) Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada