High-performance Hydraulic Pump Solenoid Valve K3V112 TDDRDE 3K-40/40 compatible with Kobelco SK200-1 and Doosan DH700-7 excavators. Precision flow control valve for main hydraulic pump assemblies with OEM-quality construction and advanced spool design. Maximizes hydraulic efficiency, minimizes internal leakage, and delivers improved fuel economy across all operating conditions in heavy-duty applications.