The PWR 3.5 x 3.75 x 0.5 is a precision-engineered piston wear ring from Freudenberg-NOK Dichtomatik, designed to enhance the performance of hydraulic and pneumatic systems. With dimensions of 3.5 inches in inner diameter, 3.75 inches in outer diameter, and a thickness of 0.5 inches, this wear ring provides optimal sealing and support. Constructed from high-quality materials, it ensures durability and resistance to various fluids. This product is essential for maintaining the efficiency and longevity of your machinery.