This is a A-70595640 Sprocket, Coupler PN: 70595640Main Description As Following : A-70595640 Sprocket, Coupler P.N: 70595640 Bore: 1.180"Replaces: 70595632Teeth: 12 Crossed From: AV101003 VAPORMATIC , 70595632 ALLIS-CHALMERS Found in Section & Models : Headers/Platforms/Feeder House > Corn Head Parts, Gleaner HEAD, CORN: A236 (black frame w/ 38"-40" row spacings), Gleaner HEAD, CORN: 240 (black frame w/ 38"-40" row spacings), Gleaner HEAD, CORN: 328 (black frame w/ 38"-40" row spacings), Gleaner HEAD, CORN: 340 (black frame w/ 38"-40" row spacings), Gleaner HEAD, CORN: 428 (black frame w/ 38"-40" row spacings), Gleaner HEAD, CORN: 440 (black frame w/ 38"-40" row spacings), Gleaner HEAD, CORN: 536 (black frame w/ 38"-40" row spacings), Gleaner HEAD, CORN: 540 (black frame w/ 38"-40" row spacings), Gleaner HEAD, CORN: 628 (black frame w/ 38"-40" row spacings), Gleaner HEAD, CORN: 640 (black frame w/ 38"-40" row spacings), Gleaner HEAD, CORN: 828 (black frame w/ 38"-40" row spacings), Gleaner HEAD, CORN: 830 (black frame w/ 38"-40" row spacings) Associated Items : New Also This is An Aftermarket Product And : Bore: 1.180" Replaces: 70595632 Teeth: 12