This hydraulic seal is compatible with OEM part number 3115535804 and is designed for use in hydraulic breaker systems of underground drilling equipment. Manufactured from high-quality rubber materials, it provides reliable sealing performance, resistance to pressure, and protection against hydraulic fluid leakage. The seal is suitable for M2D, T1D, M40S, Boomer 291, Boomer S2, BOOMER-282, COP-SC25 series, and S1D / S2 / S7D drilling rigs.