The PWR 3.5 x 3.75 x 1 9400 Piston Wear Ring by Freudenberg-NOK is engineered for optimal performance in hydraulic applications. This wear ring is designed to fit standard piston sizes, ensuring a secure fit and reliable operation. Constructed from high-quality materials, it offers excellent resistance to wear and tear, extending the lifespan of your hydraulic systems. With dimensions of 3.5 inches in diameter and a thickness of 1 inch, this wear ring is compatible with various industrial applications. It meets industry standards for durability and reliability, making it a trusted choice for professionals.