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ZX70 Excavator 4446254 4458863 4612822 Hydraulic Boom Cylinder Assy For ZX70LC ZAX70 Parts

1
MOQ
$459-$856
Price
ZX70 Excavator 4446254 4458863 4612822 Hydraulic Boom Cylinder Assy For ZX70LC ZAX70 Parts
Features Gallery Product Description Request A Quote
Features
Specifications
Name: Excavator ZX70 Hydraulic Boom Cylinder
Model: ZX70 ZX70LC ZAX70
Part Number: 4446254 4458863 4612822
Customization Service: Stroke, Bore, Ports, Seal Types, Coatings, And Mounting Styles
Warranty Period: 12 Months
Usage: Fits For Hitachi Mini Excavator
Highlight:

ZAX70 Hydraulic Boom Cylinder Assy

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4446254 Hydraulic Boom Cylinder Assy

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4612822 Hydraulic Boom Cylinder Assy

Basic Infomation
Place of Origin: Made In China
Brand Name: Glparts
Certification: ISO9001
Model Number: ZX70 ZX70LC ZAX70
Payment & Shipping Terms
Packaging Details: Wooden Case
Delivery Time: 7 Days
Payment Terms: T/T,Western Union,MoneyGram
Supply Ability: 2000pieces/month
Product Description

ZX70 Excavator 4446254 4458863 4612822 Hydraulic Boom Cylinder Assy for ZX70LC ZAX70 Parts


Hydraulic Parts Hitachi ZX70 Hydraulic Boom Cylinder
PN 4446254 4458863 4612822
Excavator Models ZX70 ZX70LC ZAX70
Cylinder Seal  Superior quality named-brand seals
Temperature -40°C to 120°C

Pressure 

Up to 60Mpa


Every GLPARTS excavator hydraulic cylinder is crafted with precision and durability in mind. We follow a strict, multi-step production process to ensure exceptional strength, wear resistance, and long service life—even in the harshest working conditions.

Step-by-Step Craftsmanship That Delivers Real Results:


Material Selection
We use 25Mn steel tubes and high-strength alloy steel rods, ensuring excellent toughness, pressure resistance, and fatigue durability from the core.


ZX70 Excavator 4446254 4458863 4612822 Hydraulic Boom Cylinder Assy For ZX70LC ZAX70 Parts 0


Tempering Treatment
All rods and tubes undergo full tempering heat treatment, eliminating internal stress and enhancing the metal structure for long-term stability and crack resistance.


CNC Turning & Precision Machining
High-precision CNC turning ensures tight dimensional control, laying the foundation for smooth piston motion and exact fitment.


High-Frequency Surface Quenching
The piston rod surface is hardened up to HRC 55+, enhancing wear resistance and minimizing surface deformation—especially under repetitive impact or abrasive conditions.


ZX70 Excavator 4446254 4458863 4612822 Hydraulic Boom Cylinder Assy For ZX70LC ZAX70 Parts 1


External Grinding
After quenching, the rod is finely ground to achieve a uniform surface, essential for ensuring seal life and reducing friction during movement.


ZX70 Excavator 4446254 4458863 4612822 Hydraulic Boom Cylinder Assy For ZX70LC ZAX70 Parts 2


Hard Chrome Plating

We apply a thick, industrial-grade hard chrome plating layer, enhancing corrosion resistance, improving seal contact, and giving the rod a high-gloss finish that minimizes oil residue buildup.


ZX70 Excavator 4446254 4458863 4612822 Hydraulic Boom Cylinder Assy For ZX70LC ZAX70 Parts 3


Final Grinding & Surface Finishing
A final round of grinding ensures mirror-like smoothness, ideal for low-friction performance and extending the life of seals and internal components.




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Get in touch with us
Contact Person : Tina
Tel : 13081912597
Fax : 86-86-13081912597
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