The U-Seal (OEM Part No. 87218939) is a rubber sealing spare part designed for compatible Epiroc mining equipment, including DL2710, DD311, DD210, DD310, DL330, DD321, and DD2710. It functions as a U-shaped sealing component within hydraulic and fluid systems, helping prevent fluid leakage and maintain effective sealing between moving or connected components. Manufactured from durable rubber, the seal is designed to support reliable sealing performance under demanding mining operating conditions. The 87218939 U-Seal is suitable for maintenance, repair, and replacement applications where dependable fluid sealing is required. As an aftermarket replacement component, it provides a practical solution for restoring sealing performance, protecting hydraulic systems, and helping reduce maintenance and replacement costs.