The 4.000 x 4.500 x 0.563 9250 Disogrin Asymmetrical PI Piston Seal from Freudenberg-NOK is engineered for high-performance sealing in hydraulic cylinders. This piston seal features a unique asymmetrical design that enhances sealing efficiency and reduces friction. With dimensions of 4 inches in diameter and 0.563 inches thick, it is suitable for various hydraulic applications. Made from advanced materials, this seal offers excellent resistance to wear and temperature fluctuations, ensuring long-lasting performance. It meets industry standards for reliability, making it a preferred choice for hydraulic systems.