Part Name: Hydraulic Parts Main Control Valve for Komatsu Excavator
Main control valve is installed at the oil port of the main control valve and the bottom of the boom cylinder. When the boom lever returns to the neutral position, the main control valve can prevent the oil at the bottom of the boom cylinder from returning to the cylinder through the boom main spool under its own weight, to prevent the boom from falling naturally.
Machine Model: Komastu Excavator
Applicable for Construction Machinery Equipment:Komastu, XCMG, LIUGONG, XCMG, SDLG, LONKING, CHANGLIN, CHENGLONG, SANY, FOTON LOVOL,Zoomlion...
Chongqing Eco Technology LLC is exporting excavator spare parts to worldwide as below:
Cab Parts: Cabin assembly, door, cabin glass, cabin seat, control valve assembly, control valve piston, lock core, interior panel, display screen, monitor, ECU, pump controller, main wiring harness, internal and external wiring, air conditioning control Panel, Travel PPC valve, floor mat, control panel, wiper assembly, wiper motor assembly, pilot valve, pilot pump...
Excavator Engine Parts: Engine, Rocker lever, compressor, engine block, crankshaft, cylinder head, camshaft, intake and exhaust manifold, oil pump, oil pan, crankshaft gear, piston, rings, pin, water pump, flywheel, thermostat, connecting rod, starter motor, flywheel housing, alternator, turbocharge, aircompressor...
Hydraulic system parts: Muffler, Radiator, Radiator fan, cooler, fuel tank, boom cylinder, arm cylinder, bucket cylinder, pump, control valve, swing motor, travel motor, hydraulic oil cooler, pressure switch, hydraulic pump assembly and accessories (pump, plunger, valve plate, nine-hole plate, copper ball, swing, plane) , swing reducer, swing ring, swing ring Turntables, rotary joints, center joints, joint repair kits, multiple valves, main valves, boom cylinders, stick cylinders, forearm cylinders, bucket cylinders, and cylinder repair kits...
The chassis parts: crawler frame, the traveling motor + reducer and its pipelines, driving wheels, guide wheels, sprocket wheels, supporting wheels, crawlers, and tensioning buffer devices.chain, track shoe, gear ring, guide wheel, tension cylinder, tension spring, bucket, bucket, pin sleeve...
crawlers:Lower roller, track bolt, travel motor, upper roller, swing motor, track shoe...
Price: Negotiate a price. Promise the most reasonable price on the whole internet, large favorably.
Quality; Quality assurance, quality service. We have a professional technical team 24h at your service. If you have problems with your cummins engine, please contact us freely, we must provide you with online help.
Delivery time: Sufficient inventory,
Regular parts, shipped within 1-3 day,
Infrequent parts, delivery date depends on the order quantity.
Receiving precautions: Before signing for receipt, please confirm that the accessory packaging is intact and then sign for receipt. If you find that the quantity is missing during the inspection, or the accessories are damaged, you can refuse to sign for it, meanwhile, please contact us.