OEM‑compatible Disk Spring (3115536000) for Boomer M2D, Boomer T1D, Simba M40S, Boomer XE3C, Boomer 291, Simba S7D, Boomer L2D, Boomer S2, Boomer-282, COP-SC25, COP-SC25X, and Simba S1D drilling equipment. Made from durable rubber, this aftermarket spare part provides reliable hydraulic sealing performance, ensuring optimal operation of hydraulic breaker systems.