The PWR 4.125 x 4.375 x 0.5 9800 Piston Wear Ring by Freudenberg-NOK is engineered for optimal sealing performance in hydraulic applications. This wear ring features precise dimensions of 4.125 inches in inner diameter and 4.375 inches in outer diameter, with a thickness of 0.5 inches. Constructed from high-quality materials, it ensures durability and resistance to wear, enhancing the longevity of your hydraulic systems. Designed to meet industry standards, this piston wear ring is compatible with various hydraulic systems, providing reliable sealing and reducing leakage. Ideal for use in demanding environments, it supports efficient operation and minimizes maintenance costs.