---
product_id: 492512980
title: "DOZYANT 6\" Long Stroke Office Chair Gas Lift Cylinder Replacement, Hydraulic Pneumatic Shock Piston Heavy Duty (450 lbs) for Tall Person Universal Size Fits Most Executive Chairs, Highest End Class 4"
brand: "dozyant"
price: "฿6629"
currency: THB
in_stock: true
url: https://www.desertcart.co.th/products/492512980-dozyant-6-long-stroke-office-chair-gas-lift-cylinder-replacement
store_origin: TH
region: Thailand
---

# Supports up to 450 lbs 6-inch adjustable stroke Smooth & noiseless 360° rotation DOZYANT 6" Long Stroke Office Chair Gas Lift Cylinder Replacement, Hydraulic Pneumatic Shock Piston Heavy Duty (450 lbs) for Tall Person Universal Size Fits Most Executive Chairs, Highest End Class 4

**Brand:** dozyant
**Price:** ฿6629
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your workspace with power, precision, and silent smoothness!

## Quick Answers

- **What is this?** DOZYANT 6" Long Stroke Office Chair Gas Lift Cylinder Replacement, Hydraulic Pneumatic Shock Piston Heavy Duty (450 lbs) for Tall Person Universal Size Fits Most Executive Chairs, Highest End Class 4 by dozyant
- **How much does it cost?** ฿6629 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/492512980-dozyant-6-long-stroke-office-chair-gas-lift-cylinder-replacement)

## Best For

- dozyant enthusiasts

## Why This Product

- Trusted dozyant brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built for Power Users:** Heavy-duty Class 4 cylinder supports up to 450 lbs—perfect for tall professionals who demand durability.
- • **Premium Alloy Steel Build:** Crafted from high-grade alloy steel for long-lasting strength and reliability in any office environment.
- • **Whisper-Quiet Performance:** Experience smooth, noiseless adjustments and full 360-degree rotation for seamless movement all day long.
- • **Universal Fit, Zero Hassle:** Fits most executive chairs with standard 2-inch diameter; install in minutes with no extra screws needed.
- • **Effortless Height Customization:** 6-inch stroke lets you tailor your chair height for ultimate comfort and posture perfection.

## Overview

The DOZYANT 6" Long Stroke Gas Lift Cylinder is a premium Class 4 hydraulic piston designed for executive office chairs. It offers a 6-inch adjustable height range (11.2" to 17.2"), supports up to 450 lbs, and features smooth, noiseless 360-degree rotation. Made from durable alloy steel, it fits most standard chairs and installs easily without extra hardware.

## Description

Product Description               Description: frustrated to find that the office chair you sit on for years start sagging or can't go up and down anymore? But not ready to buy a new one because the rest of the chair is in perfect shape? Why not get to fix it by changing the gas lift cylinder by yourself? How to make sure the gas lift cylinder fits your office chair? Check the outer and inner diameter of your broken gas lift cylinder. This replacement part fits the one with an outer diameter of 2" And inner diameter of 1.1". How to install the gas lift cylinder on your own? 1. Tip the chair onto its side. 2. Use the rubber mallet to tap and remove the base of the chair away from the seat. 3. Use the pipe wrench to clamp tightly onto the top of the cylinder. Twist and then pull up in order to remove the cylinder. 4. Remove the orange cap of the new cylinder. Insert the bottom of the cylinder into the center of the chair base. 5. Carefully lift both the chair base and the chair cylinder into the chair mechanism. The parts will then fasten on their own. Specifications: - Material: Steel - outer cylinder diameter: 2" - Inner cylinder diameter: 1.1" - stroke: 6" - Bearing capacity: 450 lbs Package Content: - 1 Office chair gas lift cylinder                  Safety Warning               WARNING: This product is intended for DIY replacement of a broken gas lift cylinder. Ensure you follow the provided installation instructions carefully to avoid injury. Do not exceed the maximum weight capacity of 450 lbs. Always keep the chair on a stable surface and avoid sudden or excessive movements. For cleaning, wipe with a damp cloth and avoid using harsh chemicals. Keep the chair away from heat sources and do not expose it to direct sunlight for extended periods.

## Features

- 6" Stroke for adjusting chair Height: minimum length: 11.2 inches; Maximum length when fully extended: 17.2 inches; adjustable range: 6 inches
- Heavy duty gas lift cylinder that holds great weights - tall center support column of the chair. Holds up to 450 lbs on most office, executive and computer chairs. Highest end class 4 gas cylinder on market.
- Standard cylinder diameter: Outer cylinder: 2 inches, inner cylinder: 1. 1 inches. Please confirm the measurement before ordering.
- Smooth & noiseless: full 360 degree rotation, smooth and noiseless movements to all directions
- EASY INSTALLATION : Can be installed easily with no additional screws required

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | DOZYANT |
| Brand | DOZYANT |
| Model Number | 140-QG |
| Product Dimensions | 27.94 x 5.08 x 5.08 cm; 861.83 g |
| Colour | Orange |
| Shape | Cylindrical |
| Material Type | Alloy Steel |
| Manufacturer Part Number | 140-QG |
| Item Weight | 862 g |

## Product Details

- **Brand:** DOZYANT
- **Colour:** Orange
- **Product dimensions:** 27.9D x 5.1W x 5.1H centimetres
- **Back style:** Solid Back
- **Special feature:** Arm Rest

## Images

![DOZYANT 6" Long Stroke Office Chair Gas Lift Cylinder Replacement, Hydraulic Pneumatic Shock Piston Heavy Duty (450 lbs) for Tall Person Universal Size Fits Most Executive Chairs, Highest End Class 4 - Image 1](https://m.media-amazon.com/images/I/71RmMOPGxHL.jpg)

## Questions & Answers

**Q: what is the weight limit for this**
A: Holds up to 450 lbs

## Frequently Bought Together

- DOZYANT 6" Long Stroke Office Chair Gas Lift Cylinder Replacement,Hydraulic Pneumatic Shock Piston Heavy Duty (450 lbs) for Tall Person Universal Size Fits Most Executive Chairs, Highest End Class 4
- DOZYANT 8" Long Stroke Office Chair Gas Lift Cylinder Replacement,Hydraulic Pneumatic Shock Piston Heavy Duty (450 lbs) for Tall Person Universal Size Fits Most Executive Chairs, Highest End Class 4

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**Shop now:** [https://www.desertcart.co.th/products/492512980-dozyant-6-long-stroke-office-chair-gas-lift-cylinder-replacement](https://www.desertcart.co.th/products/492512980-dozyant-6-long-stroke-office-chair-gas-lift-cylinder-replacement)

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-02-27*