120MM Chrome SAMHONGSA Hydraulic Cylinder – Universal Size

Standard Size Office Chair Cylinders Replacement — This chair cylinder replacement fits all office chair bases with a 2” (50mm) standard center hole. It is ideal for replacing the hydraulic piston on 99% of standard office chairs, task chairs, executive chairs, salon chairs, and rolling stools available in the market. Fix your sinking office chair by replacing the gas cylinder instead of purchasing a new chair. (Please measure dimensions before purchasing.)

Heavy Duty Class 4 Piston — Our gas lift cylinder supports up to 450lbs, making it the highest-end Class 4 chair piston on the market, known for its durability, longevity, and top-notch quality. This heavy-duty hydraulic pneumatic piston is built to industry standards (BIFMA Plus Quality), making it suitable for heavy users.

5” Piston Stroke for Adjusting Chair Height — The adjustable height range is 5 inches, allowing smooth travel from the highest to the lowest point. Replace your office chair gas cylinder to enjoy seamless 360-degree rotation in all directions, ensuring smooth and quiet lifting and rotation.

Easy Installation — Remove the old gas lift cylinder from the chair base using a rubber mallet and install the new one without additional screws. In just 5 minutes, give your old office chair a new life. We recommend watching YouTube videos on “office chair gas lift cylinder replacement” before starting the installation.

Warranty — Backed by a 5-year warranty, your satisfaction is our top priority. If the cylinder fails, leaks, or sinks, contact our professional after-service team via email for prompt assistance.

Before purchasing, kindly check the hydraulic size to ensure the perfect fit as per your requirement.