The PWR 3.75 x 4 x 0.375 9400 Piston Wear Ring by Freudenberg-NOK is designed for high-performance hydraulic applications. With a diameter of 3.75 inches and a thickness of 0.375 inches, this wear ring provides a secure fit, enhancing sealing capabilities. Made from premium materials, it offers exceptional wear resistance, ensuring longevity and reliability in hydraulic systems. This piston wear ring meets industry standards, making it compatible with various hydraulic setups. Its robust construction helps maintain system integrity, reducing the likelihood of leaks and improving overall efficiency.