This Caterpillar joystick pilot valve 297-0589 for E325D E320D E330D E312D excavator is a flow-control valve manufactured by Caterpillar. It regulates or directs the flow of fluid or air within a fluid power circuit, switching or metering flow as its actuator or solenoid is energized. It is commonly in OEM machinery and MRO replacement for fluid power circuits.
