---
product_id: 417883040
title: "MASTERY MART Office Chair Gas Lift Cylinder Replacement, 4\" Travel Length, Heavy Duty 1000 lbs, Hydraulic Pneumatic Shock Piston, Universal Size Fits Most Office Chairs, Class 4, Matte Black"
brand: "mastery mart"
price: "A$92"
currency: AUD
in_stock: true
reviews_count: 7
category: "Mastery Mart"
url: https://www.desertcart.com.au/products/417883040-mastery-mart-office-chair-gas-lift-cylinder-replacement-4-travel
store_origin: AU
region: Australia
---

# 4-inch adjustable travel height 360° smooth rotation Class 4 steel, 1000 lbs capacity MASTERY MART Office Chair Gas Lift Cylinder Replacement, 4" Travel Length, Heavy Duty 1000 lbs, Hydraulic Pneumatic Shock Piston, Universal Size Fits Most Office Chairs, Class 4, Matte Black

**Brand:** mastery mart
**Price:** A$92
**Availability:** ✅ In Stock

## Summary

> 🪑 Elevate your workspace with power, precision, and perfect fit!

## Quick Answers

- **What is this?** MASTERY MART Office Chair Gas Lift Cylinder Replacement, 4" Travel Length, Heavy Duty 1000 lbs, Hydraulic Pneumatic Shock Piston, Universal Size Fits Most Office Chairs, Class 4, Matte Black by mastery mart
- **How much does it cost?** A$92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/417883040-mastery-mart-office-chair-gas-lift-cylinder-replacement-4-travel)

## 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

- • **Smooth 360° Rotation:** Experience seamless swivel action that keeps you moving freely and efficiently.
- • **Perfect Fit, Every Time:** Universal design fits most office and gaming chairs, including Herman Miller Aeron—no guesswork needed.
- • **Effortless Height Adjustment:** 4-inch travel length lets you customize your seating height for ultimate ergonomic comfort.
- • **Unmatched Strength & Durability:** Premium Class 4 steel supports up to 1000 lbs—built to last through your busiest workdays.
- • **Hassle-Free Installation & Support:** Quick replacement with simple tools plus dedicated customer care ensures zero downtime.

## Overview

The MASTERY MART Office Chair Gas Lift Cylinder Replacement is a heavy-duty, Class 4 pneumatic piston crafted from premium alloy steel. Offering a 4-inch adjustable travel height and universal compatibility with most office chairs—including top brands like Herman Miller—this matte black cylinder supports up to 1000 lbs and ensures smooth 360-degree rotation. Designed for easy installation and backed by a satisfaction guarantee, it’s the ultimate upgrade for professionals seeking durability and ergonomic excellence.

## Description

gas lift

Review: High Quality! - Fits perfectly!
Review: Work like intended - This thing is tall! Great quality and works like intended. No complaints.

## Features

- 🥇【Upgraded Class 4 Gas Cylinder】 Mastery Mart's office chair cylinder replacement is made of premium steel. With the latest technique, it is class 4 which meets the highest industry standard (BIFMA/ANSI). Known to be durable and extremely strong, it is capable of supporting up to 1000 lbs.
- 👑【Versatile 4-Inch Travel Length】Our office chair piston provides a 4-inch travel length and adjustable height options from 10.3 to 14 inches, making it a versatile choice for any home or office.
- 🏆【Universal Cylinder for Most Chairs】Compatible with various chair types like office chairs, gaming chairs, executive chairs, and more. Outer cylinder diameter is 2 inches (50mm) for the base hole, and inner cylinder diameter is 1.1 inches (28mm) for the seat hole. Please double-check measurements before ordering. This pneumatic piston cylinder will fit almost every office chair on the market including Herman Miller Aeron.
- 👏【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 | B099R9BW5W |
| Best Sellers Rank | #18,218 in Home ( See Top 100 in Home ) #482 in Home Office Desk Chairs |
| Brand | MASTERY MART |
| Color | Matte Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,016) |
| Date First Available | 22 October 2021 |
| Item Weight | 1.03 Kilograms |
| Material | Alloy Steel |
| Model Number | MM-REP-GL02 |
| Product Dimensions | 5.5 x 5.5 x 26 cm; 1.03 kg |
| Special Features | Durable, Easy to Replace and Install, Heave Duty, Quality Guaranteed, Universal Fit |

## Product Details

- **Brand:** MASTERY MART
- **Colour:** Matte Black
- **Material:** Alloy Steel
- **Product dimensions:** 25D x 5.1W x 5.1H centimeters
- **Size:** 4'' Travel Length

## Images

![MASTERY MART Office Chair Gas Lift Cylinder Replacement, 4" Travel Length, Heavy Duty 1000 lbs, Hydraulic Pneumatic Shock Piston, Universal Size Fits Most Office Chairs, Class 4, Matte Black - Image 1](https://m.media-amazon.com/images/I/51vgc3GW7CL.jpg)

## 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.

## 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.

### ⭐⭐⭐⭐⭐ Review
*by Y***H on 11 December 2025*

Great replacement cylinder! The size was spot-on, installation was straightforward, and it brought my chair right back to the height and stability it originally had. Smooth lift, solid feel, and no sinking issues at all. Exactly what I needed highly recommend if you’re repairing or upgrading an office chair.

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**Shop now:** [https://www.desertcart.com.au/products/417883040-mastery-mart-office-chair-gas-lift-cylinder-replacement-4-travel](https://www.desertcart.com.au/products/417883040-mastery-mart-office-chair-gas-lift-cylinder-replacement-4-travel)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-08*