Description:Cat® Solenoid Valve Assemblies are electromechanically operated valves designed to open or close fluid lines in hydraulic systems and has a coil set that it uses to induce a magnetic field on a permanent magnet. The magnet will either be attracted or repelled when power is applied to the coil. A solenoid is a very important coil of wire that is used in inductors, electromagnets, antennas, valves, and many more. Cat service parts offer simple repair and replacement of system components in Cat heavy-duty equipment.Application:Cat® Solenoid Valves are used to service valves and coils in power train systems and hydraulic systems. Consult your owner's manual or contact your local Cat Dealer for more information.