---
product_id: 210281940
title: "chair gas cylinder"
brand: "mastery mart"
price: "R$866"
currency: BRL
in_stock: null
url: https://www.desertcart.com.br/products/210281940-chair-gas-cylinder
store_origin: BR
region: Brazil
---

# 4-inch adjustable stroke 360° smooth rotation Class 4 heavy-duty steel chair gas cylinder

**Brand:** mastery mart
**Price:** R$866
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Upgrade your throne: heavy-duty lift for peak productivity!

## Quick Answers

- **What is this?** chair gas cylinder by mastery mart
- **How much does it cost?** R$866 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/210281940-chair-gas-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 gas cylinder supports up to 1000 lbs, crafted from premium steel for unmatched durability.
- • **Hassle-Free Upgrade:** Easy installation with guaranteed satisfaction—support ready to assist or replace if needed.
- • **Elevate Your Comfort:** Adjust chair height seamlessly with a 4-inch stroke for perfect ergonomic positioning.
- • **Universal Compatibility:** Fits most office chairs including premium brands like Herman Miller Aeron (except 1KEA).
- • **Say Goodbye to Chair Sinking:** Reliable pneumatic shock prevents annoying seat drop, restoring your chair’s original stability.

## Overview

The MASTERY MART Office Chair Gas Cylinder offers a robust 4-inch adjustable height range, universal fit for most office chairs, and a heavy-duty Class 4 steel build supporting up to 1000 lbs. Designed to eliminate sinking issues and ensure smooth 360-degree rotation, this premium replacement cylinder guarantees durability and ergonomic comfort for your workspace.

## Description

Full description not available

## Features

- 🏆【Adjustable Height 4 inches】The compressed length is 9.88 inches (251mm), the fully expanded length is 13.62 inches (346mm), stroke length is 4 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 lift has a maximum capacity of 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 |
| Model Number | MF-PT001B |
| Colour | Silver |
| Diameter | 50 Millimetres |
| Special Features | Adjustable Height |
| Item Weight | 1 kg |

## Product Details

- **Brand:** MASTERY MART
- **Colour:** Silver
- **Material:** Alloy Steel
- **Product dimensions:** 25D x 5W x 5H centimetres
- **Size:** 4'' Travel Length

## Images

![chair gas cylinder - Image 1](https://m.media-amazon.com/images/I/41JgA-26-IL.jpg)
![chair gas cylinder - Image 2](https://m.media-amazon.com/images/I/71Wz4SzfXPL.jpg)
![chair gas cylinder - Image 3](https://m.media-amazon.com/images/I/61mxfCn5GyL.jpg)
![chair gas cylinder - Image 4](https://m.media-amazon.com/images/I/718fV6IUExL.jpg)
![chair gas cylinder - Image 5](https://m.media-amazon.com/images/I/81SiaKna8dL.jpg)

## Available Options

This product comes in different **Colour Name, Size Name** 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.

## Frequently Bought Together

- MASTERY MART 9 Inches to 13 Inches Gas Lift Cylinder for Most Office Chair, 4" Stroke, Heavy Duty 1000 lbs, Office Chair Gas Lift Cylinder Replacement, Class 4 (Not for 1KEA, Silver)
- MASTERY MART Office Chair Base Replacement, 28 Inch Heavy Duty 2500Lbs Metal Leg, Reinforced for Swivel Gaming Chair, Universal Caster and Gas Cylinder Size, Polished Steel
- MasteryMart Rollerblade Style Caster Wheels Replacement Set of 5 for Office Chair, Office Chair Wheels Universal Size 11x22mm, Rubber Casters for All Floors, Heavy Duty, Smooth (Not for 1KEA, Silver)

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**Shop now:** [https://www.desertcart.com.br/products/210281940-chair-gas-cylinder](https://www.desertcart.com.br/products/210281940-chair-gas-cylinder)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-01-24*