This is a A-DE17503 Seal PN: DE17503Main Description As Following : A-DE17503 Seal P.N: DE17503 Inside Diameter: 1.452"Outside Diameter: 2.728"Width: .37" Found in Section & Models : Hay Tool Parts > Mower Conditioner Parts, John Deere MOWER CONDITIONER: 945, John Deere MOWER CONDITIONER: 946, John Deere MOWER CONDITIONER: 955, John Deere MOWER CONDITIONER: 956, Power Train/Propulsion > Combine Trans and Final Drive Parts, John Deere COMBINE: CTS, John Deere COMBINE: CTS II Associated Items : New Also This is An Aftermarket Product And : For 90 Degree Gear Box Shaft on Mowers / For Module Gear Box On Combines. Inside Diameter: 1.496" Outside Diameter: 2.717" Type: Dual Lip / Garter Spring Type Width: .374"