702-21-07610 Main Pump Solenoid Valve for Komatsu PC130 PC220-8 PC400-8 Aftermarket New Product Overview The 702-21-07610 Solenoid Valve is a critical electronic component responsible for regulating the main pump displacement in Komatsu excavators. By precisely controlling the hydraulic signals, it allows the pump to match the load requirements of the engine, preventing stalls and ensuring smooth operation. Our aftermarket version …