The PWR 4.25 x 4.5 x 1.75 9400 Piston Wear Ring by Freudenberg-NOK is specifically designed for hydraulic systems, offering superior performance and durability. Measuring 4.25 inches in diameter, 4.5 inches in length, and 1.75 inches in thickness, this wear ring ensures a precise fit within piston assemblies, minimizing friction and extending service life. Constructed from high-quality materials, it is engineered to withstand high pressures and temperatures, making it suitable for a wide range of industrial applications. This wear ring complies with industry standards, ensuring reliability and efficiency.