The Dichtomatik PWR 3.875x4.125x0.5 9400 Piston Wear Ring from Freudenberg-NOK is engineered for optimal performance in hydraulic systems. With dimensions of 3.875 inches in diameter, 4.125 inches in height, and 0.5 inches in thickness, this wear ring is designed to withstand high pressure and temperature conditions. Constructed from high-quality materials, it ensures durability and longevity, making it suitable for demanding applications. The 9400 model meets industry standards, providing reliable sealing and protection for pistons in various machinery.