OEM-spec Safety Lock Solenoid Valve 203-60-56180 for Komatsu PC120-5 and PC120-6 excavators. Large hole configuration for high-flow hydraulic lockout control. Ensures operator safety by managing the machine hydraulic interlock, preventing unintended movement during cab entry and exit. 100% compatible direct replacement with fast global delivery. Replace faulty safety lock solenoids immediately to maintain jobsite safety compliance.