SK400 Hydraulic Boom Cylinder 2438U1173F1 2438U1176F1 for Kobelco Excavator Parts

SK400 Hydraulic Boom Cylinder 2438U1173F1 2438U1176F1 for Kobelco Excavator Parts

Main Spare Parts of Hydraulic Cylinder

1. Cylinder Tube — Strength & Pressure Resistance
Thick-walled alloy steel, precisely honed for smoothness, ensures excellent oil retention, wear resistance, and pressure endurance.

2. Piston — Stable Force & Sealing
CNC-machined pistons with high-performance seals provide efficient force transfer and low internal leakage.

3. Piston Rod — Durable & Corrosion-Resistant
Hardened, chrome-plated rods offer superior strength, corrosion resistance, and reduced seal wear.

4. Seals and Bearings — Leak-Free, Smooth Operation
Imported NOK/SKF seals with wear rings ensure minimal leakage and low-friction movement.

Adaptable to Harsh Working Conditions
Excavators operate in demanding environments such as mud, dust, extreme heat, and freezing temperatures. Glparts cylinders are built with high-grade materials and advanced sealing technology to ensure reliable performance, excellent wear resistance, and durability under all conditions

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.