The Doosan 218001062 U-Ring is an authentic OEM hydraulic seal designed to prevent fluid leakage and maintain optimal pressure within various Doosan heavy machinery hydraulic systems. With an inner diameter of 50mm, an outer diameter of 60mm, and a height of 6mm, this precision-engineered U-ring ensures a secure and durable seal. It is suitable for a wide range of Doosan excavators, wheel loaders, and articulated dump trucks, contributing to the reliable operation and longevity of the equipment.