R26448 O Ring Fits John Deere Fits JD Construction ModelsOne New Aftermarket Replacement O Ring Fits John Deere (Fits JD) Equipment This aftermarket replacement O ring (part number R26448) is a standard sealing ring used throughout Fits John Deere construction, agricultural, and lawn and garden equipment to prevent fluid leaks and maintain hydraulic, fuel, and coolant system pressure. Rated at Durometer 90 for firm sealing performance across a wide range of system pressures and temperatures. Supersedes