This is a A-T42302 O-Ring, 3.987" ID X 4.193" OD, .103" Thick, Durometer 70 (1/Pack) PN: T42302Main Description As Following : A-T42302 O-Ring, 3.987" ID X 4.193" OD, .103" Thick, Durometer 70 (1/Pack) PN: T42302 Found in Section & Models : Miscellaneous > Miscellaneous, John Deere BACKHOE: 310E, John Deere BACKHOE: 310G, John Deere BACKHOE: 310J, John Deere BACKHOE: 310K, John Deere BACKHOE: 310K EP, John Deere BACKHOE: 310L, John Deere BACKHOE: 310L EP, John Deere BACKHOE: 310SE, John Deere BACKHOE: 310SG, John Deere BACKHOE: 315SE, John Deere BACKHOE: 315SG, John Deere BACKHOE: 710G, John Deere COMBINE: C670, John Deere COMBINE: S540, John Deere COMBINE: S550, John Deere COMBINE: S560, John Deere COMBINE: S650, John Deere COMBINE: S660, John Deere COMBINE: S670, John Deere COMBINE: S670 HILLMASTER Associated Items : New Also A-JD-S-CTM3 And : O-Ring Has Many Applications, Check Dimensions Before Ordering. Durometer: 70 Standard Number Code: A Standard Number Size: 155 Inside Diameter: 3.987" Outside Diameter: 4.193" Thickness: .103"