The PWR 3.5 x 3.75 x 0.5 piston wear ring by Freudenberg-NOK Dichtomatik is engineered for optimal performance in hydraulic systems. With precise dimensions of 3.5 inches inner diameter, 3.75 inches outer diameter, and a thickness of 0.5 inches, it ensures a perfect fit. Made from high-quality materials, this wear ring offers exceptional durability and resistance to wear, making it suitable for high-pressure applications. It is designed to maintain the efficiency of your machinery, ensuring long-lasting performance.