The Doosan DS5502003 is a genuine OEM dust seal designed to prevent the ingress of dirt, dust, and other contaminants into critical machinery components. This seal measures 65mm (inner diameter) x 80mm (outer diameter) x 5mm (thickness), ensuring a precise fit and reliable protection for compatible Doosan equipment. Manufactured to Doosan's specifications, it provides durable performance and helps extend the lifespan of hydraulic cylinders and other moving parts.