Gas Lift

Is your office chair sinking or stuck at the wrong height? Get back to ergonomic comfort with a guaranteed-fit replacement gas lift from MySit.

A worn-out cylinder is the number one cause of chair problems, but replacing it is an easy DIY fix that saves you from buying a whole new chair. Our heavy-duty gas lifts are built to outperform the original, with a robust Class 4 rating and a 450-pound weight capacity for lasting stability.

Find Your Perfect Fit:

Short-Stroke (2.2”): Ideal for fixing a sinking chair and for users who need a lower seated position.
Extra-Long (8”): Provides maximum height for taller individuals or drafting chairs.
Standard Universal (5.5”): The go-to replacement for most executive and gaming chairs.

Don't struggle with an uncomfortable chair any longer. Browse our selection to find the exact gas lift you need for a quick, permanent repair.

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Gas Lift

MySit 8" Extra-Long Office Chair Gas Lift | Maximum Height for Tall Users | Class 4, 450lb Capacity

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

MySit 2.2" Short-Stroke Office Chair Gas Lift | Fixes Sinking & Lowers Seat Height | Class 4, 450lbs