---
product_id: 253878516
title: "5.5\" Office Chair Gas Lift Cylinder Replacement Parts, Heavy Duty 450lbs Long Stroke Hydraulic Pneumatic Shock Piston Universal Size Fits Most Executive Chairs, Gaming Chair, Class 4"
brand: "mysit"
price: "4039736₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/253878516-5-5-office-chair-gas-lift-cylinder-replacement-parts-heavy
store_origin: VN
region: Vietnam
---

# Adjustable 5.5" Height Class 4 Gas Lift 450lbs Capacity 5.5" Office Chair Gas Lift Cylinder Replacement Parts, Heavy Duty 450lbs Long Stroke Hydraulic Pneumatic Shock Piston Universal Size Fits Most Executive Chairs, Gaming Chair, Class 4

**Brand:** mysit
**Price:** 4039736₫
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade Your Chair, Elevate Your Game!

## Quick Answers

- **What is this?** 5.5" Office Chair Gas Lift Cylinder Replacement Parts, Heavy Duty 450lbs Long Stroke Hydraulic Pneumatic Shock Piston Universal Size Fits Most Executive Chairs, Gaming Chair, Class 4 by mysit
- **How much does it cost?** 4039736₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/253878516-5-5-office-chair-gas-lift-cylinder-replacement-parts-heavy)

## Best For

- mysit enthusiasts

## Why This Product

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

## Key Features

- • **Universal Fit:** Compatible with most office and gaming chairs, making upgrades a breeze.
- • **Elevate Your Comfort:** Transform your office experience with a gas lift that adapts to you.
- • **Heavy-Duty Performance:** Engineered to support up to 450lbs, ensuring durability for every user.
- • **Whisper-Quiet Operation:** Enjoy smooth, silent adjustments without disturbing your workflow.
- • **Hassle-Free Installation:** No extra tools needed—get back to work in minutes!

## Overview

The MySit 5.5" Office Chair Gas Lift Cylinder is a heavy-duty replacement part designed for executive and gaming chairs, supporting up to 450lbs. With an adjustable height range of 5.5 inches, it fits most standard chairs and is easy to install without additional tools. Experience smooth, quiet operation and enhance your seating comfort effortlessly.

## Description

5.5" Office Chair Gas Lift Cylinder Replacement Parts, Heavy Duty 450lbs Long Stroke Hydraulic Pneumatic Shock Piston Universal Size Fits Most Executive Chairs, Gaming Chair, Class 4

## Features

- CLASS 4 LEVEL GAS LIFT CYLINDER -- This heavy duty gas lift cylinder made with high construction industry standard (BIFMA Plus Qaulity) for heavy and tall person.
- ADJUSTABLE HEIGHT 5.5 INCH -- Adjustable Height 5.5 Inch, the fully expanded height is 17 inch, the fully compressed height is 11.5 inch, which suitable for tall person.
- HEAVY DUTY 450LBs CHAIR PISTON -- MySit office chair gas lift cylinder holds up to 450lbs for most office chair, executive chair, computer chair, gaming chair.
- REPLACEMENT PARTS FOR MOST OFFICE CHAIR -- Universal size replacement for most of office chair cylinder, executive chairs cylinder, full 360 degree rotation, smooth and without noise move to all directions.
- EASY TO INSTALL -- You can installed easily without additional screws required, fix your sinking office chair by this standard size replacement chair piston instead of purchasing a new chair.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | MySit |
| Model Number | Gaslift-6 |
| Color | Black |
| Product Dimensions | 29.21 x 5.08 x 5.08 cm; 1.21 Kilograms |
| Material | Plastic, Metal |
| Special Features | Adjustable Height |
| Item Weight | 1.21 Kilograms |

## Product Details

- **Brand:** MySit
- **Color:** Black
- **Item Weight:** 2.67 Pounds
- **Material:** Alloy Steel
- **Size:** 5.5 Inch

## Images

![5.5" Office Chair Gas Lift Cylinder Replacement Parts, Heavy Duty 450lbs Long Stroke Hydraulic Pneumatic Shock Piston Universal Size Fits Most Executive Chairs, Gaming Chair, Class 4 - Image 1](https://m.media-amazon.com/images/I/61okpKWHrBL.jpg)

## Frequently Bought Together

- MySit 5.5" Office Chair Gas Lift Cylinder Replacement Parts, Heavy Duty 450lbs Long Stroke Hydraulic Pneumatic Shock Piston Universal Size Fits Most Executive Chairs, Gaming Chair, Class 4
- MySit Gas Lift Cylinder Removal Tools 28mm/1.1-Inch, Removal Tools Sets for Replace Office Chair Cylinder, Fix Sinking Office Chair Stainless Steel Chair Saver for Stop Sinking - 2 Pieces
- MySit Heavy Duty 300 LBs Office Chair Tilt Mechanism Replacement Parts, 5.9'' x 8.6" Mounting Holes Tilt Control Mechanism(Not Standard Dimension)

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**Shop now:** [https://www.desertcart.vn/products/253878516-5-5-office-chair-gas-lift-cylinder-replacement-parts-heavy](https://www.desertcart.vn/products/253878516-5-5-office-chair-gas-lift-cylinder-replacement-parts-heavy)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-05-20*