The 721-00-50570 Bucket Cylinder is specifically designed for the Komatsu PC15MRX-1 mini excavator, delivering powerful performance, durability, and precision for digging and material handling tasks. Built to OEM standards, this hydraulic cylinder ensures smooth operation even in tight working environments.

• OEM Standard Performance - Matches original Komatsu specs for seamless replacement and reliable operation.
• Precision Engineering - Each cylinder is honed and machined with tight tolerances for smooth motion and consistent power.
• Premium Materials - Cylinder tube crafted from high-strength seamless steel, and piston rod is chrome-plated for corrosion resistance.
• Top-Grade Seals - Equipped with NOK or SKF seals to ensure long-lasting performance and reduced oil leakage.
• Pressure Tested - 100% pressure tested before shipment to ensure safe, leak-free operation under load.
• Custom Coating Available - Paint color and logo customization available upon request.

Guangzhou Guoli Engineering Machinery Co., Ltd. (Brand: Glparts) is a leading manufacturer and supplier of excavator hydraulic cylinders and related parts with over 16 years of industry experience.

We specialize in manufacturing:

• Boom, arm, and bucket cylinders

We can also provide:

• Hydraulic pumps, valves, fan motors
• Undercarriage parts, engine components, filters, and more

Our products are compatible with Komatsu, CAT, Hitachi, Volvo, Kobelco, Hyundai, Doosan, Yanmar, SANY, and other well-known brands. We export to over 100 countries across Europe, Southeast Asia, the Middle East, and South America.

• Fast worldwide delivery (3-7 days standard items)
• Secure packaging in strong wooden cases
• 12-month warranty included
• Technical support and after-sales service available