This hydraulic seal is a compatible replacement for OEM part number 3115374400 and is designed for hydraulic breaker systems used in drilling equipment. Manufactured from high-quality rubber materials, it ensures effective sealing performance, reduces hydraulic oil leakage, and supports stable system operation. The seal is suitable for M4C, Boomer 281, BOOMER-M2C, and hydraulic components including COP-2160 and COP-2560-PR.