The PWR 3.75 x 4 x 1.5 9800 Piston Wear Ring from Freudenberg-NOK is essential for effective sealing in hydraulic systems. Featuring an inner diameter of 3.75 inches, an outer diameter of 4 inches, and a thickness of 1.5 inches, this wear ring is made from premium materials to ensure long-lasting performance. It minimizes leakage and enhances the efficiency of hydraulic operations, making it suitable for various applications. This wear ring complies with industry standards, ensuring compatibility with a wide range of hydraulic systems, thus reducing maintenance and downtime.