SAVE MONEY. REVIVE YOUR CHAIR - Fix your sinking office chair by replacing the cylinder instead of spending money on a brand new computer chair. We'll send you the highest quality cylinder on the market, detailed step-by-step installation instructions, gloves, and our money-back guarantee. You have nothing to lose!
REMOVAL & INSTALLATION - Replacing your chair cylinder is very straightforward. Just remove the old one and drop the new one in. Sometimes removing the cylinder from the chair seat can be challenging, but if you have the right tools itll be a breeze. If you want a little extra help, check out our full cylinder kit that comes with a removal tool specifically for this job.
INDUSTRY STANDARD SIZE - This pneumatic piston cylinder will fit almost every office chair on the market including herman miller aeron. The cylinder has a 1-1/8" (28mm) diameter piston shaft and a 2" (50mm) diameter column. If it doesn't fit your specific chair, no problem, we'll take care of you.
EXTRA HEAVY DUTY - Our desk chair cylinders are all Class 4, which are known as the most durable, longest lasting, & highest quality hydraulic gas lift cylinders. Cheaper options can start sinking within the first few months of use. Our's don't. They can even support up to 1000 lbs without fail.
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Office chair cylinder
Learn more about the Detailed Specifications
General
Brand
Flash Furniture
Model
Part Number
OAS-2020
General
Type
Office Chair
Color
White
Spec
Seat Size
4.75" (120mm) Stroke
Weight Capacity
1000 pounds
Specification
Black, 1000 pounds
Additional Information
First Listed on Newegg
June 11, 2026
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.