---
product_id: 207966104
title: "9 Inches to 13 Inches Gas Lift Cylinder for Most Office Chair, 4\" Stroke, Heavy Duty 1000lbs, Office Chair Gas Lift Cylinder Replacement, Class 4 Pneumatic Piston (Not for 1KEA, Black)"
brand: "mastery mart"
price: "260.25 DT"
currency: TND
in_stock: true
category: "Mastery Mart"
url: https://www.desertcart.tn/products/207966104-9-inches-to-13-inches-gas-lift-cylinder-for-most
store_origin: TN
region: Tunisia
---

# Supports up to 1000 lbs 4-inch adjustable stroke Class 4 heavy-duty piston 9 Inches to 13 Inches Gas Lift Cylinder for Most Office Chair, 4" Stroke, Heavy Duty 1000lbs, Office Chair Gas Lift Cylinder Replacement, Class 4 Pneumatic Piston (Not for 1KEA, Black)

**Brand:** mastery mart
**Price:** 260.25 DT
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade your throne with power, precision, and prestige!

## Quick Answers

- **What is this?** 9 Inches to 13 Inches Gas Lift Cylinder for Most Office Chair, 4" Stroke, Heavy Duty 1000lbs, Office Chair Gas Lift Cylinder Replacement, Class 4 Pneumatic Piston (Not for 1KEA, Black) by mastery mart
- **How much does it cost?** 260.25 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/207966104-9-inches-to-13-inches-gas-lift-cylinder-for-most)

## 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 Last:** Premium alloy steel with Class 4 certification ensures durability under heavy use.
- • **Elevate Your Comfort:** Smooth 4-inch height adjustment for personalized seating.
- • **Confidence Guaranteed:** Backed by responsive support and satisfaction promise for worry-free upgrades.
- • **Effortless Installation:** Quick replacement with seamless 360° swivel—no sinking, no hassle.
- • **Universal Compatibility:** Fits most office chairs including Herman Miller Aeron (except 1KEA).

## Overview

The MASTERY MART Gas Lift Cylinder is a robust Class 4 pneumatic piston designed to replace and upgrade most office chairs. With a 4-inch adjustable stroke, it fits chairs with a 9.88 to 13.62-inch length and supports up to 1000 lbs. Crafted from premium alloy steel, it ensures heavy-duty performance and smooth 360-degree rotation. Compatible with popular models like Herman Miller Aeron (excluding 1KEA), it offers an easy installation process and is backed by a satisfaction guarantee, making it the ultimate upgrade for professionals seeking ergonomic excellence.

## Description

MASTERY MART 9 Inches to 13 Inches Gas Lift Cylinder for Most Office Chair, 4" Stroke, Heavy Duty 1000lbs, Office Chair Gas Lift Cylinder Replacement, Class 4 Pneumatic Piston (Not for 1KEA, Black) : desertcart.co.uk: Stationery & Office Supplies

## 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 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 |
|---------------|-------|
| ASIN | B0859WG3X8 |
| Age Range Description | Adult |
| Arm Style | Armless |
| Assembly Instructions Description | Assembly required. Follow the instructions provided. |
| Back Style | Mid Back |
| Best Sellers Rank | 21,228 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 145 in Furniture Accessories |
| Brand Name | MASTERY MART |
| Colour | Matte Black |
| Country Of Origin | China |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,495) |
| Fabric Type | No |
| Form Factor | swiveling |
| Frame Material Type | Metal |
| Furniture Base Movement | Swivel |
| Included Components | gas lift cylinder |
| Indoor Outdoor Usage | Indoor |
| Is Assembly Required? | No |
| Is Customizable? | No |
| Is Extendable | No |
| Is Foldable | No |
| Item Depth | 2 inches |
| Item Dimensions | 25 x 5 x 5 centimetres |
| Item Dimensions D x W x H | 25D x 5W x 5H centimetres |
| Item Shape | Cylindrical |
| Leg Style | Straight Leg |
| Manufacturer | Mastery Mart Co., Limited |
| Manufacturer Part Number | MF-PT001 |
| Material Type | Alloy Steel |
| Maximum Weight Recommendation | 1000 Pounds |
| Model Name | Office Chair Gas Cylinder |
| Model Number | GAS-LIFT-GL |
| Number of Items | 1 |
| Number of Packs | 1 |
| Pattern | Solid |
| Product Care Instructions | Wipe Clean |
| Reclining Position Count | 1 |
| Recommended Uses For Product | Office |
| Room Type | Office |
| Seat Depth | 24.9 centimetres |
| Seat Material Type | Fabric |
| Size | 9-13 Inches, 4'' Travel Length |
| Sleeping Bag Filling Material | Foam |
| Special Features | Adjustable Height |
| Style Name | Solid |

## Product Details

- **Brand:** MASTERY MART
- **Colour:** Matte Black
- **Material:** Alloy Steel
- **Product dimensions:** 25D x 5W x 5H centimetres
- **Size:** 9-13 Inches, 4'' Travel Length

## Images

![9 Inches to 13 Inches Gas Lift Cylinder for Most Office Chair, 4" Stroke, Heavy Duty 1000lbs, Office Chair Gas Lift Cylinder Replacement, Class 4 Pneumatic Piston (Not for 1KEA, Black) - Image 1](https://m.media-amazon.com/images/I/51vgc3GW7CL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**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 ); 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

- 9 Inches to 13 Inches Office Chair Cylinder Replacement, 4" Stroke, Heavy Duty 1000lbs, Hydraulic Pneumatic Shock Piston, Universal Gas Cylinder Fit for Most Office Chairs, Class 4, Black
- Besitu 500Lbs Office Chair Replacement Parts, w/ 6'' x 10.2" Mounting Holes Chair Base Heavy Duty Plate Swivel Tilt Control Seat Mechanism for Executive and Gaming Chairs
- MASTERY MART 28" Heavy Duty Office Chair Base Replacement Parts, 2500 Lbs, Desk Chair Reinforced Metal Leg with Universal Gas Cylinder Hole and Casters Sockets, Matte Black

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-10-08*