The Spare Parts Set (OEM Part No. 9120089667) is a replacement repair kit designed for maintenance and servicing of the pressure control valve assembly in Epiroc / Atlas Copco Boomer M2D underground drilling equipment. The 9120089667 Spare Parts Set is used within the PR.CONTR.VALVE assembly and provides the required replacement components for valve servicing and repair. It is suitable for scheduled maintenance, overhaul and replacement of worn or damaged internal components. The 9120089667 Spare Parts Set helps restore reliable pressure control, support stable hydraulic system performance and maintain consistent drilling equipment operation.