One New Aftermarket Replacement O-Ring Fits John Deere (Fits JD) Loaders and PowerTech EnginesThis aftermarket replacement O-ring Fits John Deere OEM part number T159373 and is designed for use in hydraulic and mechanical sealing applications on Fits John Deere (Fits JD) 210-series loaders and PowerTech 4045-series engines. Suitable for static and dynamic sealing applications, including rotary and axial reciprocating motion, this O-ring delivers reliable performance across a range of temperatures and pressures.Specifications Inner Diameter: 8 mm (5/16 in) Nominal Section: 1.50 mm (0.06 in) Durometer Rating: 70 Material: NBR (Nitrile) Compatible ModelsFits John Deere Loaders: 210LE, 210LJ, 210KFits John Deere PowerTech Engines: 4.5L, 4045, 4045HT072, 4045HT073Replaces Part Number(s):T159373New aftermarket replacement part - not remanufactured, not used.