This is a A-AE55839 Gear, Bevel, 1000 RPM Impeller, 68 Tooth PN: AE55839Main Description As Following : A-AE55839 Gear, Bevel; 1000 RPM Impeller, 68 Tooth P.N: AE55839 Inside Diameter: Major: 1.522" Minor: 1.298"Outside Diameter: Major: 9.798" Minor: 8.990"Teeth: 68/OD; 13/ID Found in Section & Models : Hay Tool Parts > Mower Conditioner Parts, John Deere MOWER CONDITIONER: 910, John Deere MOWER CONDITIONER: 915, John Deere MOWER CONDITIONER: 916, John Deere MOWER CONDITIONER: 920, John Deere MOWER CONDITIONER: 925, John Deere MOWER CONDITIONER: 926, John Deere MOWER CONDITIONER: 930, John Deere MOWER CONDITIONER: 935, John Deere MOWER CONDITIONER: 936 Associated Items : New Also This is An Aftermarket Product And : Inside Diameter: Major: 1.522" Minor: 1.298" Outside Diameter: Major: 9.798" Minor: 8.990" Teeth: 68/OD; 13/ID