---
product_id: 255929025
title: "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"
brand: "dozyant"
price: "€ 128.79"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/255929025-dozyant-8-long-stroke-office-chair-gas-lift-cylinder-replacement
store_origin: HR
region: Croatia
---

# 450 lbs heavy-duty capacity 8" adjustable stroke smooth & noiseless rotation 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

**Brand:** dozyant
**Price:** € 128.79
**Availability:** ✅ In Stock

## Summary

> 🪑 Elevate your workspace comfort with power and precision!

## Quick Answers

- **What is this?** 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 by dozyant
- **How much does it cost?** € 128.79 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/255929025-dozyant-8-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 to Endure:** Supports up to 450 lbs with premium Class 4 steel strength
- • **Whisper-Quiet Operation:** 360° smooth rotation with zero noise disruption
- • **DIY Friendly Installation:** No extra screws needed—upgrade your chair in minutes
- • **Effortless Height Control:** 8-inch stroke for personalized ergonomic comfort
- • **Universal Fit, Zero Hassle:** Standard 2" outer diameter fits most executive chairs seamlessly

## Overview

The DOZYANT 8" Long Stroke Gas Lift Cylinder is a heavy-duty, Class 4 hydraulic piston designed to replace worn-out office chair lifts. Engineered from durable alloy steel, it offers an 8-inch adjustable height range and supports up to 450 lbs, fitting most executive chairs with a 2" outer diameter. Its smooth, noiseless 360° rotation ensures a premium seating experience, while easy installation lets you upgrade your chair effortlessly—no need to buy new when you can restore like a pro.

## Description

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

## Features

- 8" STROKE FOR ADJUSTING CHAIR HEIGHT: Minimum length: 11.2 inches; maximum length when fully extended: 22.5 inches; adjustable range: 8 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 |
|---------------|-------|
| Brand | DOZYANT |
| Model Number | QG-8 |
| Color | Orange |
| Product Dimensions | 5.08 x 5.08 x 27.94 cm; 1.41 kg |
| Material | Alloy Steel |
| Special Features | Heavy Duty |
| Item Weight | 1.41 Kilograms |

## Product Details

- **Brand:** DOZYANT
- **Colour:** Orange
- **Material:** Alloy Steel
- **Product dimensions:** 5.1D x 5.1W x 20.3H centimeters
- **Size:** Standard

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/61IM5JT+7eL.jpg)

## Questions & Answers

**Q: The length range is 11.2 inches to 22.5 inches and the adjustable range: 8 inches." This contradicts itself. Can you clarify the max and min length?**
A: Try looking at the correct picture,  you are looking at the measurement of only the shock body which is 11.2. With the shaft fully seated it's 14.5 and fully raised is 22.5, now you've got the 8''.  22.5 - 14.5 = 8  YAAAAAAAAAAAAAAAA.

**Q: Does this fit the aeron chair?**
A: You need to find out the diameter of the old cylinder and check against the new. It seems a pretty standard size for office chairs as far as I can see. Getting the old out and the new in can be hard work as these rely on friction and weight to sit in the base as well as connecting to the seat. There are video's on YouTube. Check Aeron cylinder replacement there and see if anyone has posted

**Q: Does it come with the tool required to remove the old cylinder?**
A: No, there are no tools included with the cylinder. There are instructions online for removal, the technique that I use primarily involves a 2# hammer. If the cylinder is really stuck into the bracket on the seat bottom, you may need a vise and a punch to hammer out the top of the cylinder. Step by step instructions are too long to detail here - search for a video tutorial on YouTube.

**Q: Will it work on this chair to raise it higher than its default? https://www.amazon.com/gp/product/b07s57ccxf  hoping so.**
A: Depends on what size cylinder you are replacing.  I bought this to replace a 4 inch and it was too high.  I bought a 6 inch and it worked fine.  No sagging even with my 250 lbs

## Frequently Bought Together

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-02-24*