Name: MySit 5.5" Office Chair Gas Lift Cylinder Replacement Parts, Heavy Duty 450lbs Long Stroke Hydraulic Pneumatic Shock Piston Universal Size Fits Most Executive Chairs, Gaming Chair, Class 4
SKU: 31438
Availability: InStock

Price: ~~$33.99~~ - $27.99
(as of May 16, 2025 23:12:52 UTC – Details)

Product Description

How To Make Sure the Gas Lift Cylinder Workable For Your Office Chairs?

Measure the outer and inner diameter of your old gas lift cylinder before your purchasing.

The replacement part comes with universal size of 2″(50mm) for the outer cylinder and 1.1″(28mm) for the inner cylinder diameters.

How to install the gas lift cylinder?

Tip the chair to its side.Use the mallet to tap and remove the the chair base away.Use the pipe wrench to clamp tightly to the cylinder top. Twist and pull up to remove the cylinder.Remove the new cylinder cap. Insert the cylinder bottom into the center of the chair base.Carefully lift both the chair base and the chair cylinder into the chair mechanism. The parts will then fasten on their own.

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Customer Reviews

4.4 out of 5 stars 303

4.4 out of 5 stars 1,534

4.5 out of 5 stars 108

4.4 out of 5 stars 348

4.6 out of 5 stars 855

Price

$24.95$24.95 $27.99$27.99 $25.95$25.95 $25.99$25.99 $39.89$39.89 $18.98$18.98

Quantity
1 1 1 1 1 2

Size
2.2 Inch 5.5 Inch 2.2 Inch 300lbs 500lbs 4 or 5.5″ mounting

Easy Install

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Universal Size

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Heavy Duty

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CLASS 4 LEVEL GAS LIFT CYLINDER — This heavy duty gas lift cylinder made with high construction industry standard (BIFMA Plus Qaulity) for heavy and tall person.
ADJUSTABLE HEIGHT 5.5 INCH — Adjustable Height 5.5 Inch, the fully expanded height is 17 inch, the fully compressed height is 11.5 inch, which suitable for tall person.
HEAVY DUTY 450LBs CHAIR PISTON — MySit office chair gas lift cylinder holds up to 450lbs for most office chair, executive chair, computer chair, gaming chair.
REPLACEMENT PARTS FOR MOST OFFICE CHAIR — Universal size replacement for most of office chair cylinder, executive chairs cylinder, full 360 degree rotation, smooth and without noise move to all directions.
EASY TO INSTALL — You can installed easily without additional screws required, fix your sinking office chair by this standard size replacement chair piston instead of purchasing a new chair.

Customers say

Customers find the gas lift cylinder replacement works well at the lowest height setting and lasts for months. The product is heavy-duty, easy to install, and customers consider it worth the money. While many find it easy to replace the original cylinder, some report difficulties with the removal process. Customers disagree on the sinking resistance, with some reporting constant dropping issues.