721-00-50570 PC15MRX-1 Excavator Hydraulic Bucket Cylinder

721-00-50570 PC15MRX-1 Excavator Hydraulic Bucket Cylinder

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.

Key Features
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.

About Glparts

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.

Shipping & Warranty

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

Contact Us for a Quote
Looking for the right hydraulic bucket cylinder for your excavator?
Just send us your model number or part number, and our sales engineers will help you confirm compatibility and offer you the best price.

Guangzhou Guoli Engineering Machinery Co., Ltd., located in GuangZhou city, benefits from a large construction machinery parts market and convenient transportation access. Our company specializes in producing a range of excavator hydraulic cylinders, including excavator arm cylinders, boom cylinders, bucket cylinders, cylinder tubes, and cylinder rods. With 10+ years expertise, we've established a complete production line from R&D to manufacturing, offering OEM customization and precise part number systems with technical specifications/photos/pricing. We pride ourselves on using premium materials such as high-strength steel and advanced processing technologies to ensure durability and performance.

In addition to hydraulic cylinders, we also provide a comprehensive range of other hydraulic components. This includes hydraulic pumps, swing motor, control valve,travel motors,engine parts,and undercarriage components, all designed for use in various excavator models. Our extensive product portfolio reflects our commitment to delivering complete solutions for construction machinery, ensuring that all critical components are available to meet the needs of our customers.

We serve a global customer base, including clients from Thailand, the Philippines, Indonesia, Malaysia, the United States, Turkey, Russia, Mexico, and many other countries. Our products have been recognized and recommended by local dealers and are highly regarded for their quality and reliability. With our competitive prices, timely delivery, and outstanding customer service, we are committed to providing the best solutions for each client. We warmly welcome inquiries from businesses worldwide and look forward to establishing long-lasting partnerships.