This is a A-A3917R O-Ring PN: A3917RMain Description As Following : A-A3917R O-Ring P.N: A3917R Dim A (1): I.D.: .364"Dim B (2): Nominal Section: .070Dim C (3): Std. Number Size: 012Dim D (4): Durometer: 75Dim E (5): Material: H4C Stocked As: A-012N Found in Section & Models : Air Conditioning Parts > O-rings/ Fittings/ Misc, John Deere BACKHOE: 210C, John Deere BACKHOE: 300D, John Deere BACKHOE: 310D, John Deere BACKHOE: 310E, John Deere BACKHOE: 310G, John Deere BACKHOE: 310J, John Deere BACKHOE: 310SE, John Deere BACKHOE: 310SG, John Deere BACKHOE: 310SJ, John Deere BACKHOE: 315D, John Deere BACKHOE: 315SE, John Deere BACKHOE: 315SG, John Deere BACKHOE: 325J, John Deere BACKHOE: 410D, John Deere BACKHOE: 410E, John Deere BACKHOE: 410G, John Deere BACKHOE: 410J, John Deere BACKHOE: 510D, John Deere BACKHOE: 710D, John Deere BACKHOE: 710G Associated Items : New Also A-JD-S-CTM3 And : Dim B (2): Nominal Section: .070 Dim C (3): Std. Number Size: 012 Durometer: 75 Inside Diameter: 0.364" Material: H4C