The PWR 4.25 x 4.5 x 0.25 9400 Piston Wear Ring from Freudenberg-NOK is a critical component for hydraulic systems, designed to enhance performance and reliability. With a diameter of 4.25 inches and a thickness of 0.25 inches, this wear ring ensures a precise fit, minimizing the risk of leakage. Made from durable materials, it provides excellent wear resistance, making it suitable for high-pressure applications. This piston wear ring complies with industry standards, ensuring compatibility with a wide range of hydraulic systems. Its robust design contributes to the overall efficiency and longevity of your equipment.