---
product_id: 378999156
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: "$71.68"
currency: USD
in_stock: true
reviews_count: 8
category: "Mastery Mart"
url: https://www.desertcart.us/products/378999156-mastery-mart-office-chair-gas-lift-cylinder-replacement-4-travel
store_origin: US
region: United States of America
---

# 1000 lbs heavy-duty strength 4-inch adjustable travel length Universal fit for most chairs 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:** $71.68
**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?** $71.68 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/378999156-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

- • **Unmatched Durability:** Class 4 steel cylinder engineered to support up to 1000 lbs, built to last through your longest workdays.
- • **Seamless Compatibility:** Universal design fits most office, gaming, and executive chairs—including premium brands like Herman Miller Aeron.
- • **Effortless Installation:** Replace your old cylinder in minutes with simple tools—no professional help needed, get back to work faster.
- • **Confidence in Every Seat:** Backed by 100% satisfaction guarantee with responsive support, ensuring your chair performs flawlessly.
- • **Perfect Height Flexibility:** 4-inch travel length with adjustable height from 10.3 to 14 inches, tailored for your ergonomic comfort.

## Overview

The MASTERY MART Office Chair Gas Lift Cylinder Replacement is a premium Class 4 hydraulic piston designed for heavy-duty use, supporting up to 1000 lbs. Featuring a versatile 4-inch travel length and universal sizing, it fits most office and gaming chairs, including top-tier models. Its durable matte black steel construction ensures long-lasting performance, while easy installation and a satisfaction guarantee make it the ultimate upgrade for any professional workspace.

## Description

Buy 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: Managerial & Executive Chairs - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: This replacement Lift Cylinder meets oem specs and then a lot more1 - This lift cylinder is much stronger than the oem that ii had. It has worked flawlessly in spite of me using the chair for extended period times
Review: Back in business - Easy to install, fit on very well,

## 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 |
| Age Range (Description) | Adult |
| Arm Style | Standard |
| Back Style | Solid Back |
| Best Sellers Rank | #172,914 in Office Products ( See Top 100 in Office Products ) #3,851 in Office Furniture Accessories |
| Brand | MASTERY MART |
| Color | Matte Black |
| Customer Reviews | 4.4 4.4 out of 5 stars (121) |
| Date First Available | July 19, 2021 |
| Form Factor | Recliner |
| Furniture base movement | Swivel |
| Indoor/Outdoor Usage | Indoor |
| Is Customizable | No |
| Is Foldable | No |
| Item Weight | 2.27 pounds |
| Item model number | GAS-LIFT-GL |
| Leg Style | Straight Leg |
| Manufacturer | Mastery Mart Co., Limited |
| Maximum Weight Recommendation | 1000 Pounds |
| Model Name | GAS-LIFT |
| Pattern | Solid |
| Product Dimensions | 9.84"D x 2"W x 2"H |
| Reclining Position Count | 1 |
| Recommended Uses For Product | Office |
| Room Type | Office |
| Size | 4'' Travel Length |
| Special Feature | Durable, Easy to Replace and Install, Heave Duty, Quality Guaranteed, Universal Fit |
| Style | Solid |

## Product Details

- **Brand:** MASTERY MART
- **Color:** Matte Black
- **Material:** Alloy Steel
- **Product Dimensions:** 9.84"D x 2"W x 2"H
- **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)
![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 2](https://m.media-amazon.com/images/I/71HZeosVJ3L.jpg)
![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 3](https://m.media-amazon.com/images/I/713u5x1gliL.jpg)
![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 4](https://m.media-amazon.com/images/I/81ntvQaYN3L.jpg)
![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 5](https://m.media-amazon.com/images/I/81SCT4Z-F7L.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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ This replacement Lift Cylinder meets oem specs and then a lot more1
*by T***T on November 14, 2024*

This lift cylinder is much stronger than the oem that ii had. It has worked flawlessly in spite of me using the chair for extended period times

### ⭐⭐⭐⭐⭐ Back in business
*by A***R on May 24, 2025*

Easy to install, fit on very well,

### ⭐⭐⭐⭐⭐ PERFECT HEIGHT
*by B***L on April 5, 2024*

I had another lift cylinder that was just too high. I ordered this one, replaced it and it is now the perfect height. I weigh 300 pounds and it handles my weight nicely. No problems at all. YES I would be glad to reccomend this gas cylinder lift to anybody.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-25*