The Regulator (OEM Part No. 3217919303) is a hydraulic spare part compatible with Epiroc underground mining equipment, including M4C, M2D, Simba E7C, M40S, Boomer XE3C, S7D, Boomer L2D, BOOMER-M2C, Boomer MD, S1D and T1D models. Manufactured from steel alloy, it functions as a pressure regulation and flow control component in the hydraulic system. The regulator maintains hydraulic pressure balance, improves fluid control accuracy, and supports stable machine operation. Designed for demanding mining environments, this replacement hydraulic component provides reliable performance, excellent durability, and long service life for equipment maintenance and repair applications.