The PWR 3.75 x 4 x 0.5 9400 Piston Wear Ring by Freudenberg-NOK is specifically designed for hydraulic systems requiring a reliable sealing solution. With a diameter of 3.75 inches and a thickness of 0.5 inches, this wear ring provides excellent support and minimizes friction in piston assemblies. Constructed from high-performance materials, it offers superior wear resistance, ensuring longevity and efficiency in operation. This wear ring meets industry standards, making it compatible with various hydraulic applications, and is essential for maintaining optimal pressure and performance in your machinery.