Rotation solenoid valve part number 702-21-56241 designed exclusively for Komatsu PC56-7 hydraulic excavators. Available in 12V and 24V coil configurations — confirm voltage before ordering. This valve controls swing rotation by managing hydraulic flow to the swing motor for precise upper structure rotation. Features a robust housing with corrosion-resistant plating and high-temperature seals rated for continuous duty. Direct OEM replacement with factory-style connectors. Ideal for restoring full swing functionality in PC56-7 excavators experiencing rotation failures, slow swing, or uncontrolled rotation.