This is a A-AH89023 Seal, Oil PN: AH89023Main Description As Following : A-AH89023 Seal, Oil PN: AH89023 Found in Section & Models : Headers/Platforms/Feeder House > Feeder House Parts, John Deere COMBINE: 9770STS, John Deere COMBINE: 9780STS, Power Train/Propulsion > Combine Trans and Final Drive Parts, John Deere COMBINE: S670, John Deere COMBINE: S680, John Deere COMBINE: S690, John Deere COMBINE: S770, John Deere COMBINE: S780, John Deere COMBINE: S785, John Deere COMBINE: S790, John Deere COMBINE: 6600, John Deere COMBINE: 6620, Transmission & Rear Axle > Trans Related Parts, John Deere TRACTOR: 8100, John Deere TRACTOR: 8100T, John Deere TRACTOR: 8110, John Deere TRACTOR: 8110T, John Deere TRACTOR: 8120, John Deere TRACTOR: 8120T, John Deere TRACTOR: 8130, John Deere TRACTOR: 8200, John Deere TRACTOR: 8200T Associated Items : New Also A-JD-O-OMH111330, A-JD-O-OMH120048 And : Inside Diameter: 2.06" Outside Diameter: 3.26" Type: Lip Width: .43"