Good quality hitachi seal kit provided from China.The Hitachi 345B Excavator Control Valve Seal Repair Kit (8148-15040) is a premium OEM-compatible solution designed to restore hydraulic system integrity in Hitachi excavators. This kit includes high-durability seals, O-rings, and gaskets engineered to withstand extreme pressure, temperature fluctuations, and abrasive conditions. Ideal for preventing leaks and optimizing valve performance, it ensures smooth operation of hydraulic cylinders and control valves. Perfect for maintenance professionals, this repair kit matches Hitachi’s original specifications, extends equipment lifespan, and reduces downtime. Compatible with the 345B and similar models, it’s your go-to choice for reliable, cost-effective hydraulic system repairs