---
product_id: 456953868
title: "14 Inches-22 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)"
brand: "mastery mart"
price: "€ 148.01"
currency: EUR
in_stock: true
category: "Mastery Mart"
url: https://www.desertcart.gr/products/456953868-14-inches-22-inches-extra-long-gas-lift-cylinder-replacement
store_origin: GR
region: Greece
---

# 8'' adjustable stroke 360° smooth swivel Class 4 heavy-duty steel 14 Inches-22 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)

**Brand:** mastery mart
**Price:** € 148.01
**Availability:** ✅ In Stock

## Summary

> 🚀 Rise Higher, Work Smarter — Upgrade Your Chair, Upgrade Your Game!

## Quick Answers

- **What is this?** 14 Inches-22 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) by mastery mart
- **How much does it cost?** € 148.01 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/456953868-14-inches-22-inches-extra-long-gas-lift-cylinder-replacement)

## 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—durability that outlasts trends.
- • **Elevate Your Workspace:** 8-inch adjustable height for perfect ergonomic positioning—rise above the rest.
- • **360° Seamless Rotation:** Enjoy smooth swivel motion for dynamic workdays and collaborative vibes.
- • **Effortless Installation:** Simple swap with basic tools—get your chair back to peak performance in minutes.
- • **Universal Compatibility:** Fits most office chairs including premium brands like Herman Miller Aeron—upgrade without limits.

## Overview

This 14-22 inch extra-long gas lift cylinder replacement features an 8-inch adjustable stroke and polished Class 4 steel construction, supporting up to 1000 lbs. Designed for universal fit with most office chairs including Herman Miller Aeron, it offers effortless installation and smooth 360-degree rotation, making it the ultimate upgrade for professionals seeking ergonomic comfort and durability.

## Description

Buy 14 Inches-22 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): Home Office Desk Chairs - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## 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 |
| Adjustable Seat Height Maximum | 21.85 inches |
| Age Range Description | Adult |
| Arm Style | Armless |
| Assembly Instructions Description | Assembly required, follow provided instructions. |
| Back Style | Mid Back |
| Best Sellers Rank | #10,141 in Office Products ( See Top 100 in Office Products ) #247 in Office Furniture Accessories |
| Brand Name | MASTERY MART |
| Color | Polished Steel |
| Customer Reviews | 4.4 4.4 out of 5 stars (3,104) |
| Fill Material | Foam |
| Form Factor | Office Chair |
| Frame Material Type | Alloy Steel |
| Furniture Base Movement | Swivel |
| Included Components | No components included |
| Indoor Outdoor Usage | Indoor |
| Item Depth | 5.5 centimeters |
| Item Dimensions | 14.96 x 2.17 x 2.17 inches |
| Leg Style | wheels |
| Manufacturer | Mastery Mart Co., Limited |
| Manufacturer Part Number | MM-REP-GL05 |
| Material Type | Alloy Steel |
| Model Number | GAS-LIFT-GL |
| Number of Items | 1 |
| Number of Packs | 1 |
| Pattern | Solid |
| Reclining Position Count | 1 |
| Room Type | Office |
| Seat Material | Fabric |
| Shape | Rectilinear |
| Size | 8'' Travel Length |
| Style Name | Solid |
| Unit Count | 1 Count |

## Product Details

- **Back Style:** Mid Back
- **Brand:** MASTERY MART
- **Color:** Polished Steel
- **Material:** Alloy Steel
- **Size:** 8'' Travel Length

## Images

![14 Inches-22 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) - Image 1](https://m.media-amazon.com/images/I/41AvLFBWPzL.jpg)
![14 Inches-22 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) - Image 2](https://m.media-amazon.com/images/I/21sB5TS-BYL.jpg)
![14 Inches-22 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) - Image 3](https://m.media-amazon.com/images/I/51RpuE-uYJL.jpg)
![14 Inches-22 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) - Image 4](https://m.media-amazon.com/images/I/51nD+Upd5gL.jpg)
![14 Inches-22 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) - Image 5](https://m.media-amazon.com/images/I/51YSxFenmJL.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.

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-11-07*