This is a A-H99303 Washer, Drive Sprocket PN: H99303Main Description As Following : A-H99303 Washer, Drive Sprocket P.N: H99303 A-H99303 Washer, Drive Sprocket P.N: H99303 Crossed From: AMH99303 , , AV104643 VAPORMATIC , SH09303 SHOUP Found in Section & Models : Headers/Platforms/Feeder House > Corn Head Parts, John Deere HEAD, CORN: 1092 (SN 665401>), John Deere HEAD, CORN: 1290 (SN 665401>), John Deere HEAD, CORN: 1291 (SN 665401>), John Deere HEAD, CORN: 1293 (SN 665401>), John Deere HEAD, CORN: 592 (SN 665401>), John Deere HEAD, CORN: 606, John Deere HEAD, CORN: 608, John Deere HEAD, CORN: 612, John Deere HEAD, CORN: 693 (SN 665401>), John Deere HEAD, CORN: 694 (SN 665401>), John Deere HEAD, CORN: 893 (SN 665401>), John Deere HEAD, CORN: 894 (SN 665401>) Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada