The PWR 4.125 x 4.375 x 0.375 9800 Piston Wear Ring by Freudenberg-NOK is a vital component for hydraulic systems, designed to provide superior sealing and wear resistance. With dimensions of 4.125 x 4.375 x 0.375 inches, this wear ring is constructed from high-quality materials that ensure durability and reliability in demanding environments. It effectively reduces friction and wear on pistons, enhancing the overall efficiency of hydraulic machinery. This product adheres to industry standards, making it suitable for various applications in industrial machinery.