Introducing the 3201195384 Nitrogen Diaphragm, a precision-manufactured aftermarket spare part designed for Epiroc COP1238, COP1440, COP1638 and COP1838 hydraulic rock drills. This critical membrane separates the nitrogen gas chamber inside the rock drill’s accumulator, maintaining stable gas pressure and absorbing hydraulic pulsation for smooth, powerful impact energy. Key Features Direct replacement for OEM part number 3201195384 Compatible with Epiroc COP1238, COP1440,
