The Claas 0002188190 Piston Seal is a genuine OEM component designed for hydraulic applications in Claas agricultural machinery. Measuring 20 mm inner diameter, 27.5 mm outer diameter, and 3.2 mm thickness, this high-quality seal ensures reliable and leak-free operation of hydraulic pistons. Essential for maintaining system pressure and efficiency, it is compatible with a wide range of Claas tractor models including AXION, ARION, ATOS, ELIOS, NEXOS, and TALOS series.