---
product_id: 260523347
title: "Gas Cylinder Heavy Duty for Herman Miller Classic Aeron Chair as Replacement"
brand: "mingyi.office"
price: "R2286"
currency: ZAR
in_stock: true
category: "Ming Yi.Office"
url: https://www.desertcart.co.za/products/260523347-gas-cylinder-heavy-duty-for-herman-miller-classic-aeron-chair
store_origin: ZA
region: South Africa
---

# 4.5" smooth seat travel Class 4 heavy-duty gas lift 350 lbs load capacity, ANSI/BIFMA certified Gas Cylinder Heavy Duty for Herman Miller Classic Aeron Chair as Replacement

**Brand:** mingyi.office
**Price:** R2286
**Availability:** ✅ In Stock

## Summary

> 🪑 Elevate your workspace with precision power — the ultimate Aeron upgrade!

## Quick Answers

- **What is this?** Gas Cylinder Heavy Duty for Herman Miller Classic Aeron Chair as Replacement by mingyi.office
- **How much does it cost?** R2286 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/260523347-gas-cylinder-heavy-duty-for-herman-miller-classic-aeron-chair)

## Best For

- mingyi.office enthusiasts

## Why This Product

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

## Key Features

- • **Built to Endure:** Class 4 cylinder crafted from premium alloy steel supports up to 350 lbs with unmatched durability.
- • **Universal Aeron Fit:** Compatible with Herman Miller Aeron chairs Size A, B, and C (1996-2012 models) for effortless replacement.
- • **Peace of Mind Warranty:** Backed by a 5-year replacement warranty — because your comfort deserves long-term support.
- • **Precision Height Control:** Enjoy seamless 4.5-inch pneumatic seat adjustment tailored for your Aeron chair.
- • **Certified Quality Assurance:** Exceeds ANSI/BIFMA5.1-2011 standards, ensuring safety and reliability for daily office use.

## Overview

The MingYi.office Class 4 heavy-duty gas cylinder is a premium pneumatic lift designed specifically for Herman Miller Classic Aeron chairs (1996-2012). Featuring a 4.5-inch smooth seat travel and a robust 350-pound load capacity, it surpasses ANSI/BIFMA5.1-2011 standards. Constructed from durable alloy steel and backed by a 5-year warranty, this cylinder ensures reliable height adjustment and long-lasting performance for professionals who demand ergonomic excellence.

## Description

Buy MingYi.office Gas Cylinder Heavy Duty for Herman Miller Classic Aeron Chair as Replacement online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07QF8XDCQ |
| Brand | MingYi.office |
| Color | White |
| Customer Reviews | 4.3 4.3 out of 5 stars (272) |
| Date First Available | 13 June 2019 |
| Item Weight | 1.15 Kilograms |
| Material | Alloy Steel |
| Model Number | Cylinder-H |
| Product Dimensions | 63.5 x 63.5 x 63.5 cm; 1.15 kg |
| Special Features | Heavy, Heavy Duty, Gas, Travel, Height Adjustment, Seat |

## Product Details

- **Brand:** MingYi.office
- **Colour:** White
- **Material:** Alloy Steel
- **Product dimensions:** 5.1D x 5.1W x 30H centimeters
- **Size:** 2D x 2W x 11.8H in

## Images

![Gas Cylinder Heavy Duty for Herman Miller Classic Aeron Chair as Replacement - Image 1](https://m.media-amazon.com/images/I/41YGR3Z6a9L.jpg)

## Questions & Answers

**Q: Does this make the chair taller?**
A: Yes, it makes the chair Taller. The original Herman Miller cylinder sit about 2 inches past the wheel base. The heavy duty cylinder sold here sits taller as it doesn’t go past the base.
Hope this helps!

**Q: What are the bottom taper dimensions?**
A: about 45mm, thank you!

**Q: does this come with the bearing already installed**
A: Yes, the bearing installed already, Inside outer tube, thank you!

**Q: How can you tell how old the chair is (if it is between 1996 and 2012)?**
A: Check the serial number and or Part numbers on the chair. Call the manufacturer my chair was a Herman Miller chair and they were able to tell me when it was sold to me and that I had a 10-year warranty... S0 the numbers on the chair sometimes indicate MFG year. Good Luck

## Frequently Bought Together

- Gas Cylinder Heavy Duty for Herman Miller Classic Aeron Chair as Replacement
- Lumbar Support Pad Replacement for Herman Miller Classic Aeron Chair - Size B: Medium,Black
- Seat Pad Foam Insert Replacement for Herman Miller Classic Aeron Office Chair A B C Size (Black, A/B)

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**Shop now:** [https://www.desertcart.co.za/products/260523347-gas-cylinder-heavy-duty-for-herman-miller-classic-aeron-chair](https://www.desertcart.co.za/products/260523347-gas-cylinder-heavy-duty-for-herman-miller-classic-aeron-chair)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-22*