main relief valve gp 222-0084 2220084 for control valve assy fit excavator cat312c 315c 318c 319c 320c 320d 323d 325d 330c 330d

steel relief valve with seals. it is used for the main control valve hydraulic system. it is made in standards and the working performance is stable and perfect. the relief valve groups prevent excessive pressure buildup by releasing fluid when the safety threshold has been reached. it may fit many other machines. please refer to the given part numbers and the ps to check more compatible models. excavator spare parts including bearings, gears, seal kits, engine parts, motors, pumps, solenoids, valves, etc..syi