The Freudenberg-NOK Piston Wear Ring, sized at 4 x 4.25 x 0.25 inches, is designed for optimal performance in hydraulic and pneumatic systems. This wear ring is made from high-quality materials that provide excellent resistance to wear, ensuring a longer lifespan and reliable performance. Its precise dimensions allow for a snug fit, reducing the risk of leakage and enhancing the efficiency of the piston assembly. Compliant with industry standards, this wear ring is suitable for various applications, making it an essential component for maintaining system integrity and performance.