--- product_id: 681595431 title: "14-22 Inches Extra Long Gas Lift Cylinder Replacement, 8\" Stroke, Heavy Duty 1000lbs, Universal Fit for Drafting Chairs Bar Stools, Polished Steel" brand: "mastery mart" price: "€ 164.54" currency: EUR in_stock: true category: "Mastery Mart" url: https://www.desertcart.hr/products/681595431-14-22-inches-extra-long-gas-lift-cylinder-replacement-8 store_origin: HR region: Croatia --- # 8-inch adjustable height stroke Universal fit for most office chairs Class 4 heavy-duty steel build 14-22 Inches Extra Long Gas Lift Cylinder Replacement, 8" Stroke, Heavy Duty 1000lbs, Universal Fit for Drafting Chairs Bar Stools, Polished Steel **Brand:** mastery mart **Price:** € 164.54 **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade your chair, upgrade your hustle! ## Quick Answers - **What is this?** 14-22 Inches Extra Long Gas Lift Cylinder Replacement, 8" Stroke, Heavy Duty 1000lbs, Universal Fit for Drafting Chairs Bar Stools, Polished Steel by mastery mart - **How much does it cost?** € 164.54 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/681595431-14-22-inches-extra-long-gas-lift-cylinder-replacement-8) ## 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:** Premium Class 4 steel cylinder supports up to 1000 lbs without compromise. - • **Fits Like a Glove:** Universal compatibility with most office chairs including Herman Miller Aeron. - • **Elevate Your Seating Game:** Smooth 8-inch height adjustment for perfect posture and comfort. - • **Effortless Upgrade & Support:** Easy installation with 360° rotation plus dedicated customer satisfaction guarantee. - • **Say Goodbye to Chair Sinking:** Reliable pneumatic lift ensures no more annoying seat drops or wobble. ## Overview The MASTERY MART 14-22 Inches Extra Long Gas Lift Cylinder Replacement features an 8-inch adjustable stroke, heavy-duty Class 4 polished steel construction supporting up to 1000 lbs, and universal compatibility with most office chairs including premium brands. Designed for durability and smooth height adjustment, it eliminates sinking issues and offers easy installation with full 360-degree rotation. ## Description 13 Inches-21 Inches Extra Long Gas Lift Cylinder Replacement, 8'' Stroke, Tall Hydraulic Pneumatic Shock Piston, Heavy Duty, Universal Fit for Drafting Chairs Bar Stools, Class 4 (Polished Steel) ## Features - 🏆【Adjustable Height 8 inches】The compressed length is 13.97 inches (355mm), the fully expanded length is 21.85 inches (555mm), travel length is 8 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 | B099R8JHWK | | Additional Features | Adjustable Height | | Back Style | Mid Back | | Best Sellers Rank | #151,801 in Home ( See Top 100 in Home ) #1,286 in Home Office Desk Chairs | | Brand Name | MASTERY MART | | Color | Polished Steel | | Customer Reviews | 4.3 4.3 out of 5 stars (19) | | Frame Material Type | Alloy Steel | | Item Dimensions | 38 x 5.5 x 5.5 centimeters | | Manufacturer | Mastery Mart Co., Limited | | Manufacturer Part Number | MM-REP-GL05 | | Material Type | Alloy Steel | | Maximum Weight Recommendation | 1000 Pounds | | Model Number | GAS-LIFT-GL | | Required Assembly | Yes | | Size | 8'' Travel Length | | Style Name | Solid | | Unit Count | 1 Count | ## Product Details - **Back style:** Mid Back - **Brand:** MASTERY MART - **Colour:** Polished Steel - **Material:** Alloy Steel - **Size:** 8'' Travel Length ## Images ![14-22 Inches Extra Long Gas Lift Cylinder Replacement, 8" Stroke, Heavy Duty 1000lbs, Universal Fit for Drafting Chairs Bar Stools, Polished Steel - Image 1](https://m.media-amazon.com/images/I/61G8xfqpQzL.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 SGS official test and 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. --- ## 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.hr/products/681595431-14-22-inches-extra-long-gas-lift-cylinder-replacement-8](https://www.desertcart.hr/products/681595431-14-22-inches-extra-long-gas-lift-cylinder-replacement-8) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-08-04*