1Fitment: Solenoid coil isreplacement for Jcb Backhoe Loader 3CX 4CX, which is made according to the prototype of the model. 2OE Number: Solenoid valve coil replace part number is 02 365539, 25221054. Please double check the OE part number of your item before ordering. 3Function: The solenoid valve coil can use the valve output feedback signal through the signal tube to the actuator to drive the valve flap to change the valve opening, to achieve the purpose of adjusting the pressure, flow, temperature. 4Features: The active core in the solenoid valve coil is attracted to move by the coil when the valve is energized, driving the spool to move, thus changing the valve conduction state. 5Material: Solenoid coil is made of metal material, rust proof, high strength, not easy to break, sturdy and durable.