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Main image of Office Chair Cylinder Replacement - Heavy Duty Class 4 Hydraulic Pneumatic Gas Lift Cylinder(11.2" to 16.7" Adjustable) - Universal Fit for Most Executive Office Chairs (5.5" Stroke)

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Office Chair Cylinder Replacement - Heavy Duty Class 4 Hydraulic Pneumatic Gas Lift Cylinder(11.2" to 16.7" Adjustable) - Universal Fit for Most Executive Office Chairs (5.5" Stroke)

Extra-Wide Adjustable Height Range: Enjoy a generous 5.5-inch (140mm) lift range, from a minimum of 11.2" to a maximum of 16.7". To ensure a perfect fit, please measure your old cylinder before ordering, as the installed height may differ and result in a higher seating position than expected.
Drop-In Compatibility: With a 2" (50mm) outer diameter, 1.1" (28mm) piston diameter, and 1.77" (45mm) base shaft, this gas lift cylinder is built to match most standard office chairs that accept a 2-inch mounting hole. Check dimensions to ensure compatibility.
Reliability & Safety: Upgrade your office chair with this Class-4 hydraulic gas lift cylinder, which has passed international SGS & BIFMA certifications. Supporting up to 1000 lbs without wobble, leakage, or failure, it is engineered from thickened steel with an anti-explosion decompression design, making it the ultimate office chair cylinder replacement for long-term peace of mind.
360° Swivel & Ultra-Smooth Lift: Thanks to precision sealing and gas-powered shock absorption, youll experience silky-smooth height adjustments and quiet 360° rotation. No creaks, no jerksjust seamless movement and a more peaceful workspace
Ease of Installation: Simply remove the protective cap (if present), remove the old pneumatic lift (rubber mallet recommended), insert this new office chair piston, and youre doneno extra screws or complex steps required.

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Black cylindrical gas lift mechanism for office chairs with product name Huiguli shown. Office chair blurred background visible.

Class 4 Gas Lift Chair with the Highest Safety Level on the Market

Split image showing desk weight capacity test with 1000 LBS label and height adjustment

office chair cylinder replacement office chair gas lift cylinder replacement

Easy to Install and Replace

Office chair assembly instruction diagram showing multiple steps for installation, including base assembly and seat attachment procedures.

Universal Size Suitable for 90% Wheelchair

Comparison of four office chair styles: executive leather chair, gaming chair in orange/black, mesh office chair, and basic stool chair.

Black cylindrical office chair gas lift cylinder with silver metal end. Product shown against office background with Huiguli branding.

Class 4 Gas Lift Chair with the Highest Safety Level on the Market

Easy to Install and Replace

Adjustable chair gas lift cylinder with step-by-step installation guide. Four panels show process of removing old cylinder and inserting new one into office chair base.

Universal Size Suitable for 90% Wheelchair

Office Chair Cylinder Replacement - Heavy Duty Class 4 Hydraulic Pneumatic Gas Lift Cylinder( 11.2" to 16.7" Adjustable) - Universal Fit for Most Executive Office Chairs ( 5.5" Stroke)

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Warranty, Returns, And Additional Information

Warranty

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Material	Metal
Compatibility/Fitment	Adhesives; Enamels; Epoxies

Item#: 9SIC5U4KVU4426

Meet Your Seller

Office Chair Cylinder Replacement - Heavy Duty Class 4 Hydraulic Pneumatic Gas Lift Cylinder(11.2" to 16.7" Adjustable) - Universal Fit for Most Executive Office Chairs (5.5" Stroke)

Class 4 Gas Lift Chair with the Highest Safety Level on the Market

Easy to Install and Replace

Universal Size Suitable for 90% Wheelchair

Class 4 Gas Lift Chair with the Highest Safety Level on the Market

Easy to Install and Replace

Universal Size Suitable for 90% Wheelchair

Learn more about the Detailed Specifications

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info