---
product_id: 371730426
title: "14 Inches-22 Inches Extra Long Gas Lift Cylinder Replacement, 8\" Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty 1000lbs, Universal Fit For Drafting Chairs Bar Stools, Class 4, Black"
brand: "mastery mart"
price: "424 zł"
currency: PLN
in_stock: true
url: https://www.desertcart.pl/products/371730426-14-inches-22-inches-extra-long-gas-lift-cylinder-replacement
store_origin: PL
region: Poland
---

# 8-inch adjustable height stroke Universal fit for drafting chairs & bar stools Class 4 heavy-duty steel build 14 Inches-22 Inches Extra Long Gas Lift Cylinder Replacement, 8" Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty 1000lbs, Universal Fit For Drafting Chairs Bar Stools, Class 4, Black

**Brand:** mastery mart
**Price:** 424 zł
**Availability:** ✅ In Stock

## Summary

> 🪑 Upgrade your chair, upgrade your hustle!

## Quick Answers

- **What is this?** 14 Inches-22 Inches Extra Long Gas Lift Cylinder Replacement, 8" Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty 1000lbs, Universal Fit For Drafting Chairs Bar Stools, Class 4, Black by mastery mart
- **How much does it cost?** 424 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/371730426-14-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:** Premium Class 4 steel cylinder supports up to 1000 lbs without compromise.
- • **Seamless Compatibility:** Fits most drafting chairs and bar stools with precise 2-inch base diameter.
- • **Effortless Installation:** DIY-friendly replacement eliminates sinking issues and restores 360° swivel.
- • **Confidence in Every Seat:** Backed by 100% satisfaction guarantee—upgrade risk-free and feel the difference.
- • **Elevate Your Workspace Comfort:** Smooth 8-inch height adjustment for perfect posture every time.

## Overview

This Mastery Mart 14-22 inch gas lift cylinder offers an 8-inch adjustable stroke, crafted from heavy-duty Class 4 steel supporting up to 1000 lbs. Designed for universal fit on drafting chairs and bar stools, it ensures smooth height adjustment and 360-degree rotation. Easy to install and backed by a satisfaction guarantee, it’s the ultimate upgrade for professional comfort and durability.

## Description

14 Inches-22 Inches Extra Long Gas Lift Cylinder Replacement, 8" Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty 1000lbs, Universal Fit For Drafting Chairs Bar Stools, Class 4, Black

## 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).
- 🏆【Dimensions of Chair Cylinder】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 most drafting chairs and bar stools. Please confirm these measurements before making a purchase. Not compatible with 1KEA chair and some other models that have a cable pin hook on the top of the cylinder.
- 🏆【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 Class 4 (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 |
|---------------|-------|
| Brand | MASTERY MART |
| Color | Matte Black |
| Product Dimensions | 13.9"D x 2"W x 2"H |
| Size | 8'' Travel Length |
| Back Style | Mid Back |
| Special Feature | Durable, Easy to Replace and Install, Heave Duty, Quality Guaranteed, Universal Fit |
| Product Care Instructions | Wipe Clean |
| Unit Count | 1 Count |
| Style | Solid |
| Pattern | Solid |
| Room Type | Office |
| Age Range (Description) | Adult |
| Included Components | No components included |
| Shape | Cylindrical |
| Arm Style | Armless |
| Indoor/Outdoor Usage | Indoor |
| Fill Material | Foam |
| Leg Style | Straight Leg |
| Reclining Position Count | 1 |
| Is Customizable | No |
| Is Foldable | No |
| Form Factor | Tower |
| Manufacturer | Mastery Mart Co., Limited |
| Assembly Instructions Description | DIY |
| Item Weight | 1.76 pounds |
| Item model number | GAS-AD8 |
| Is Discontinued By Manufacturer | No |

## Product Details

- **Brand:** MASTERY MART
- **Color:** Matte Black
- **Material:** Alloy Steel
- **Product Dimensions:** 13.9"D x 2"W x 2"H
- **Size:** 8'' Travel Length

## Images

![14 Inches-22 Inches Extra Long Gas Lift Cylinder Replacement, 8" Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty 1000lbs, Universal Fit For Drafting Chairs Bar Stools, Class 4, Black - Image 1](https://m.media-amazon.com/images/I/51osjvW2tSL.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”,

**Q: Will this chair cyinder work for 1KEA office chair?**
A: No.

## Frequently Bought Together

- 14 Inches-22 Inches Extra Long Gas Lift Cylinder Replacement, 8" Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty 1000lbs, Universal Fit For Drafting Chairs Bar Stools, Class 4, Black
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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-02-05*