702-21-07010 Hydraulic Pump Solenoid Valve for Komatsu PC200-6 PC400-6 PC450-6 Aftermarket New Product Overview The 702-21-07010 Solenoid Valve is an essential component for the hydraulic main pump of Komatsu excavators. It regulates the pump’s displacement and pressure output, directly affecting the machine’s speed and power. Our aftermarket version is built with high-precision internal spools and heavy-duty electromagnetic coils to …