I just installed this and my chair sinks when i sit in it and then rises when i get up. did i install it wrong or this doa?

Is there an adjustment screw someone above the gas cylinder on the chair that is connected to the lever that you pull to make the chair go up and down? I installed this on a 2003 Herman Miller Aeron and had to turn this screw out a few turns so it wasn't hitting the cylinder all the time. The button at the top of this new gas cylinder was 3/8" or so taller than the old one. I thought mine was DOA too, but then discovered this. Hope this helps!

Will this cylinder replacement work with a workpro quantum 9000 chair? Originally purchased from OfficeDepot.

No. I purchased this cylinder to replace the original cylinder of my new WorkPro Quantum 90000 chair, which sits too low for me, only to find out the height adjustment lever does not reach the button on top of the cylinder that unlocks it, which makes it impossible to adjust the height.

will this work with a dx racer chair????

Yes, our office chair cylinder is compatible with dx racer chairs.

I bought this and replaced it in my chair, now my chair is so tall I can't touch the ground even when it is lowered all the way. What did I do wrong?

Hi CatKenSyd, I'm so sorry to hear that the cylinder made your chair too high even if it's lowered all the way. I understand that this may not be a comfortable sitting position for you. Unfortunately, we do not have other sizes available for our chair cylinder. Given the circumstance, please allow me to fully refund your order. Kindly reach out to us at support@theofficeoasis.com and I'll help you.

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🪑 Elevate your throne—sit like a boss, not a beginner!

BUILT TO ENDURE - Class 4 hydraulic piston supports up to 1000 lbs, ensuring long-lasting, sink-free seating.
EFFORTLESS UPGRADE - Includes a unique removal tool for quick, hassle-free cylinder replacement—no more wrestling with your chair!
MONEY SMART REVIVAL - Replace your broken cylinder instead of buying a new chair—save hundreds while restoring comfort.
LIFETIME PEACE OF MIND - Backed by a no-expiry warranty and dedicated customer support for zero-risk installation.
UNIVERSAL COMPATIBILITY - Fits nearly all office and gaming chairs, including premium models like Herman Miller Aeron.

The Office Oasis Heavy Duty Hydraulic Gas Lift Cylinder is a universal, Class 4 pneumatic piston designed to replace sinking office and gaming chair cylinders. Featuring a 28mm piston shaft and 50mm column, it supports up to 1000 lbs and comes with an exclusive removal tool, gloves, and step-by-step instructions. Backed by a lifetime warranty, this kit offers a cost-effective, durable solution to revive your chair’s comfort and functionality.

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Manufacturer	The Office Oasis
Color	Black
Product Dimensions	5.08 x 5.08 x 38.42 cm; 1.13 kg
Is Assembly Required	Yes
Assembly Type	Require Assembly
Primary material	Alloy Steel
Type of Wood	Alloy Steel
Warranty Summary	Lifetime warranty.
Style	Cylinder Replacement Kit
Capacity	4.75" (120mm) Stroke
What is in the box?	Chair Cylinder, Cylinder Removal Tool, Gloves, Installation Instructions
Item Shape	Cylindrical
Mattress Comfort	Metal
Care Instructions	Wipe Clean
Number of Shelves	1
Shipping Weight	1.56 Kilograms
Item Model Number	OAS-2010
Item model number	OAS-2010
ASIN	B01FGLVD6M

Office Chair Cylinder Replacement with Removal Tool, Heavy Duty Hydraulic - Pneumatic Gas Lift Piston for Office Chairs and Gaming Chairs, Universal Fit, Black

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