ee Jining xinsong construction machinery co., ltd. Is a leading company specializing in sale and export of komatsu genuine parts in china. Through firm cooperation with komatsu co., ltd. And many oem manufacturers, we could supply high-quality parts with competitive price, such as hydraulic parts, operator compartment parts, undercarriage parts, engine parts, electrical parts, work equipment parts, maintenance parts, etc. Komatsu electrical parts we supplied are as follows: monitor, computer, gps, oil level sensor, oil pressure sensor, oil pressure switch, revolution sensor, water temperature sensor, safety relay, solenoid, revolution solenoid, etc. Part number: 208-72-52170, 208-72-52180bushing Suitable model: pc400-6, pc400-7, pc450-6, pc450-7 Quality: komatsu genuine parts