--- product_id: 411891649 title: "10 Inches to 15 Inches Office Chair Gas Lift Cylinder Replacement, 4.5'' Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty, Universal Diameter Fit for Most Office Chair, Class 4 (Polished Steel)" brand: "mastery mart" price: "58619CFA" currency: XOF in_stock: true reviews_count: 7 category: "Mastery Mart" url: https://www.desertcart.sn/products/411891649-10-inches-to-15-inches-office-chair-gas-lift-cylinder store_origin: SN region: Senegal --- # 4.5'' adjustable stroke 360° smooth swivel Class 4 heavy-duty steel 10 Inches to 15 Inches Office Chair Gas Lift Cylinder Replacement, 4.5'' Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty, Universal Diameter Fit for Most Office Chair, Class 4 (Polished Steel) **Brand:** mastery mart **Price:** 58619CFA **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate your workspace comfort — because your chair should work as hard as you do! ## Quick Answers - **What is this?** 10 Inches to 15 Inches Office Chair Gas Lift Cylinder Replacement, 4.5'' Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty, Universal Diameter Fit for Most Office Chair, Class 4 (Polished Steel) by mastery mart - **How much does it cost?** 58619CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/411891649-10-inches-to-15-inches-office-chair-gas-lift-cylinder) ## Best For - mastery mart enthusiasts ## Why This Product - Trusted mastery mart brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Endure:** Class 4 polished steel cylinder supports up to 1000 lbs, engineered for long-lasting durability and stability. - • **Sinking? Solved.:** Eliminate annoying chair sinking with a reliable hydraulic pneumatic shock piston that keeps you steady all day. - • **Universal Compatibility:** Fits most office chairs including premium models like Herman Miller Aeron, ensuring effortless upgrades. - • **Precision Height Control:** Adjust your chair height seamlessly with a 4.5-inch travel stroke for perfect ergonomic alignment. - • **Hassle-Free Installation & Support:** Quick swap design with 360° rotation plus dedicated customer service for guaranteed satisfaction. ## Overview This Mastery Mart Class 4 gas lift cylinder replacement offers a polished steel, heavy-duty pneumatic piston with a 4.5-inch adjustable stroke. Designed to fit most office chairs, including high-end models, it supports up to 1000 lbs and ensures smooth 360-degree swivel motion. Easy to install and built to prevent sinking, it’s the ultimate upgrade for professional-grade seating comfort. ## Description 10 Inches to 15 Inches Office Chair Gas Lift Cylinder Replacement, 4.5'' Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty, Universal Diameter Fit for Most Office Chair, Class 4 (Polished Steel) Review: High Quality! - Fits perfectly! Review: Work like intended - This thing is tall! Great quality and works like intended. No complaints. ## Features - 🏆【Adjustable Height 4.5 inches】The compressed length is 10.7 inches (272mm), the fully expanded length is 15.27 inches (388mm), travel length is 4.5 inches, which allows your chairs to rise higher. (Note: Please measure the length of the outer cylinder before purchase). - 🏆【Universal Fit Size for Most Chairs】The outer column cylinder diameter connected to the base is 2 inches (50mm), and the piston shaft diameter connected to the chair is 1-1/8" (28mm). This pneumatic piston cylinder will fit almost every office chair on the market including Herman Miller Aeron. Please confirm these measurements before making a purchase. Not compatible with 1KEA and some other brands. - 🏆【Upgraded Class 4 Gas Cylinder】Mastery Mart's office chair cylinder replacement is made of premium steel. This heavy-duty gas lift cylinder is manufactured to meet the highest industry standard (BIFMA/ANSI). The pneumatic lift replacement supports up to 1000 lbs. - 🏆【Eliminate Sinking Concerns】Prevent sinking issues by removing the old cylinder using a hammer or wrench. Simply assemble our new cylinder into the base and attach the seat. Our office chair lift provides seamless 360-degree rotation. - 🏆【100% Satisfaction Guaranteed】For any issues with using our chair shock replacement, please don't hesitate to contact us. We are here to provide guidance, offer replacements, or process refunds, depending on your specific case. Your satisfaction is our priority. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B099RB3KV7 | | Additional Features | Adjustable Height | | Age Range Description | Adult | | Best Sellers Rank | #36,694 in Home ( See Top 100 in Home ) #212 in Home Office Desk Chairs | | Brand | MASTERY MART | | Brand Name | MASTERY MART | | Color | Polished Steel | | Colour | Polished Steel | | Customer Reviews | 4.5 out of 5 stars 1,210 Reviews | | EU Spare Part Availability Duration | 1 Years | | Frame Material Type | Alloy Steel | | Furniture Base Movement | Swivel | | Included Components | 2 x Arm Pad, 1 x Ottoman | | Indoor Outdoor Usage | Indoor | | Item Depth | 2 inches | | Item Dimensions | 28 x 5.5 x 5.5 centimeters | | Item Dimensions D x W x H | 5D x 5W x 28H centimeters | | Item Weight | 2.4 Pounds | | Item weight | 2.4 Pounds | | Leg Style | Straight Leg | | Manufacturer | Mastery Mart Inc. | | Manufacturer Part Number | MM-REP-GL03 | | Material | Alloy Steel | | Material Type | Alloy Steel | | Maximum Weight Recommendation | 453.59 kg | | Model Number | GAS-LIFT-GL | | Pattern | Solid | | Product dimensions | 5D x 5W x 28H centimeters | | Reclining Position Count | 1 | | Required Assembly | No | | Room Type | Office | | Shape | Cylindrical | | Size | 4.5'' Travel Length | | Style Name | Modern | | Unit Count | 1 Count | ## Product Details - **Brand:** MASTERY MART - **Colour:** Polished Steel - **Material:** Alloy Steel - **Product dimensions:** 5D x 5W x 28H centimeters - **Size:** 4.5'' Travel Length ## Images ![10 Inches to 15 Inches Office Chair Gas Lift Cylinder Replacement, 4.5'' Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty, Universal Diameter Fit for Most Office Chair, Class 4 (Polished Steel) - Image 1](https://m.media-amazon.com/images/I/51TERberxtL.jpg) ![10 Inches to 15 Inches Office Chair Gas Lift Cylinder Replacement, 4.5'' Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty, Universal Diameter Fit for Most Office Chair, Class 4 (Polished Steel) - Image 2](https://m.media-amazon.com/images/I/718eMXWE02L.jpg) ![10 Inches to 15 Inches Office Chair Gas Lift Cylinder Replacement, 4.5'' Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty, Universal Diameter Fit for Most Office Chair, Class 4 (Polished Steel) - Image 3](https://m.media-amazon.com/images/I/81NHKoRiq+L.jpg) ![10 Inches to 15 Inches Office Chair Gas Lift Cylinder Replacement, 4.5'' Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty, Universal Diameter Fit for Most Office Chair, Class 4 (Polished Steel) - Image 4](https://m.media-amazon.com/images/I/81o8rOSJnmL.jpg) ![10 Inches to 15 Inches Office Chair Gas Lift Cylinder Replacement, 4.5'' Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty, Universal Diameter Fit for Most Office Chair, Class 4 (Polished Steel) - Image 5](https://m.media-amazon.com/images/I/71XDVmMNEpL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: How durable is this gas lift?** A: The office chair cylinder is made from high-strength alloy steel, high-quality thickened outer steel, high safety and explosion-proof. The gas lift cylinder has passed BIFMA certification, highest safety Class 4. **Q: Will this chair cyinder fit on the herman miller aeron office chair?** A: Yes, our cylinder measures 1-1/8” (28mm) at the top, where it fits into the chair seat, shaft diameter 2” (50mm) at the bottom, where it fits into the chair base, you can measure your original cylinder before ordering. **Q: What are the measurements of the cylinder, shortest and longest height as well as overall length and width?** A: Top of the cylinder: 1-1/8”, Shaft diameter：2”, Shortest and longest height for 4“ stroke ( 9.88 Inches -13.6 Inches ); 4.5“ stroke ( 10.7 Inches -15.2 Inches ); 5.5“ stroke ( 11.7 Inches -17.2 Inches ); 8“ stroke ( 14 Inches -21.8 Inches ). **Q: Will this chair cyinder work for 1KEA office chair?** A: No. ## Customer Reviews ### ⭐⭐⭐⭐⭐ High Quality! *by A***R on 7 January 2026* Fits perfectly! ### ⭐⭐⭐⭐⭐ Work like intended *by A***D on 21 June 2024* This thing is tall! Great quality and works like intended. No complaints. ### ⭐⭐⭐⭐⭐ parfait *by D***P on 16 February 2026* Super produit très bonne qualité, bien emballé, avec un envoi très rapide, le top --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/411891649-10-inches-to-15-inches-office-chair-gas-lift-cylinder](https://www.desertcart.sn/products/411891649-10-inches-to-15-inches-office-chair-gas-lift-cylinder) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-09-15*