11 Inches-16.5 Inches Office Chair Cylinder Replacement Parts, 5.5in Stroke,Heavy Duty 1000 lbs,Hydraulic Chair Gas Lift Universal Gas Cylinder Fit Most Office Chairs/Gaming Chairs, Class 4
Product details
| Management number | 221247189 | Release Date | 2026/05/03 | List Price | $9.20 | Model Number | 221247189 | ||
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| Category | |||||||||
- 【 Height Matching—Say Goodbye to Guessing】 Stop guessing about seat cylinder sizes. We ensure all-day comfort, eliminating back pain and awkward postures. Always measure the outer cylinder length before purchasing to guarantee a perfect fit. Our pneumatic lift cylinders offer flexible height adjustment from 11 to 16.5 inches with a 5.5-inch stroke length.
- 【HEAVY-DUTY CLASS 4 – HOLDS UP TO 1000LBS】 Tired of wobbly chairs that sink or leak? Our BIFMA & SGS-certified hydraulic cylinder is built with industrial-grade Class 4 components—the highest durability rating for chair parts. It supports 3X more weight than standard cylinders and is lab-tested for 10+ years of use in tough environments like home offices, gyms, and workshops. No sudden failures. No frequent replacements.
- 【WHISPER-QUIET ADJUSTMENT – PERFECT FOR STANDING DESKS】 Adjust your chair height silently with less than 25dB of sound—quieter than a library whisper. Whether you're switching between sitting and standing or just fine-tuning your position, the 360° rotation stays smooth and wobble-free.
- 【UNIVERSAL FIT – WORKS WITH 99% OF OFFICE & GAMING CHAIRS】 Compatible with most chairs on the market—including popular brands like Herman Miller Aeron. If your chair is sinking, wobbling, or stuck, this cylinder replaces the old one in minutes and restores like-new performance. Not sure if it fits? Message us—we’ll help you check.
- 【LIFETIME WARRANTY + USA-BASED SUPPORT】 We’ve got your back—for life. If your cylinder ever fails due to a manufacturing defect, we’ll send a free replacement with no return hassle.Our technical support team is available around the clock to assist you at any time., sizing, or warranty questions. Shop with confidence, knowing we’re here to make it right.
| Size | 5.5INCH |
|---|---|
| Color | Black |
| Shape | Round |
| Pattern | Solid |
| Brand Name | CQITHOX |
| Model Name | Gas Lift Cylinder |
| Seat Depth | 2.4 inches |
| Unit Count | 1.0 Count |
| Manufacturer | CQITHOX INC. |
| Model Number | Gas Lift Cylinder 140 |
| Material Type | Alloy Steel |
| Item Dimensions | 2.16 x 2.16 x 11.41 inches |
| Required Assembly | No |
| Frame Material Type | Alloy Steel |
| Included Components | Gas Lift Cylinder |
| Indoor Outdoor Usage | Indoor |
| Age Range Description | Adult |
| Manufacturer Part Number | Gas Lift Cylinder 140 |
| Item Dimensions D x W x H | 2.16"D x 2.16"W x 11.41"H |
| Maximum Weight Recommendation | 1000 Pounds |
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