




Replacement Hydraulic Cylinder for Ergonomic Office Chairs
Category: Replacement Parts

Office Chair Gas Cylinder
- SGS Certified & BIFMA Approved
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Our office chair gas cylinder has successfully passed SGS official tests and BIFMA certification, ensuring top-quality standards.
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High-Quality Thickened Outer Steel
- Crafted from robust high-quality, thickened outer steel, this product is ideal for most office, executive, and computer chairs, providing durability and reliability.
Installation Guide
- Tip the Chair
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Gently tip the chair onto its side to access the gas cylinder.
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Remove the Base
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Use a rubber mallet to carefully tap and remove the base of the chair from the seat.
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Loosen the Cylinder
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Securely clamp a pipe wrench onto the top of the cylinder to ensure a tight grip.
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Remove the Cylinder
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Twist the cylinder and pull it upwards to completely remove it.
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Prepare the New Cylinder
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Remove the orange cap from the new cylinder and insert the bottom into the center of the chair base.
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Assemble the Cylinder
- Carefully lift both the chair base and the cylinder, and they will automatically fasten into the chair mechanism.
High-Quality & Comfort
- Integrated Depth Springing
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The integrated depth springing provides a springy, relaxed sitting experience, protecting your spine by avoiding sudden impacts.
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Heavy-Duty Construction
- With a tall center support column that can hold up to 440 lbs, this gas lift cylinder ensures stability and support for both office, executive, and computer chairs.
Unbeatable Warranty
- 100% Satisfaction Guarantee
- Trust in our commitment to your satisfaction. If for any reason the cylinder fails, contact our professional after-service team via email and our direct customer support will promptly address your issue.

































