374-1855 374-1856 Bucket Stick Arm Hydraulic Cylinder Assy for CAT 307E 307D 307C Excavator

374-1855 374-1856 Bucket Stick Arm Hydraulic Cylinder Assy for CAT 307E 307D 307C Excavator

Glparts places great emphasis on the design and machining of seal grooves. All hydraulic components and sealing elements are manufactured with strict requirements for dimensional tolerances, surface treatment, surface finish, and geometric accuracy to ensure optimal performance and reliability.

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Features

1. Dual-lip Dust Wiper: Effectively blocks gas and particle intrusion, minimizing hydraulic oil contamination.

2. High-performance Seal Material: Polyurethane + PTFE composite seals offer excellent wear resistance and anti-cavitation performance, extending seal life.

3. Piston Rod Heat Treatment: Fully quenched and tempered for enhanced tensile strength and fatigue resistance.

4. Surface Hard Chromium Plating: The rod is coated with a 30μm hard chrome layer, achieving surface hardness above HRC 55, providing superior corrosion and scratch resistance.

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.