Heavy Duty Gas Lift Office Chair Cylinder Replacement For Most Chairs Universal Size Fits 50mm Center Hole Class 4 Hydraulic Piston For Task And Executive Chairs HOSALI Replacement Parts

Single-Unit Heavy Duty 50mm Gas Lift Cylinder for Chairs
✔️ 50mm center hole, Class 4 piston, 4.7 in stroke, 1000 lb

Replace worn chair gas cylinders with a single heavy-duty Class 4 piston that fits most chairs with a 50mm center hole. Ideal for task, executive, salon chairs and rolling stools to restore height and stability.

✅ Fits standard 50mm center hole bases for quick swap
✅ Heavy-Duty Class 4 piston certified by BIFMA for long life
✅ 4.7 inch stroke extends from 264 mm to 385 mm (10.39-15.15 inches)
✅ Supports up to 1000 lbs with smooth, quiet operation
✅ Includes gloves and installation mallet for easy setup

💡 What is a heavy duty chair gas lift cylinder used for?

It's handy for quickly restoring height adjustability and stability in office chairs.

• Handy for repairing sinking chairs and restoring height
• Widely compatible with 50mm center-hole bases
• Simple, screw-free installation with the included tools
• Improves load support up to 1000 lbs for solid seating