The Komatsu 5030371 DICHTUNGSSATZ is a genuine OEM seal kit specifically designed for hydraulic boom cylinders in various Komatsu excavator models, including the PC200-8, PC210-8, PC220-8, PC240-8, and PC270-8 series. This high-quality kit ensures optimal sealing performance, preventing hydraulic fluid leaks and maintaining the efficiency and reliability of the machine's hydraulic system. Manufactured to Komatsu's exacting standards, it guarantees a precise fit and long-lasting durability for critical hydraulic components.