---
product_id: 260523347
title: "Gas Cylinder Heavy Duty for Herman Miller Classic Aeron Chair as Replacement"
brand: "mingyi.office"
price: "VT31759"
currency: VUV
in_stock: true
reviews_count: 5
category: "Ming Yi.Office"
url: https://www.desertcart.vu/products/260523347-gas-cylinder-heavy-duty-for-herman-miller-classic-aeron-chair
store_origin: VU
region: Vanuatu
---

# 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:** VT31759
**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?** VT31759 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/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

Package Include: 1 x gas cylinder(chair not included.)Samhongsa was founded in 1971, is a professional production and sales of Cylinder for office chair. Samhongsa have advanced production equipment and testing equipment and improved management system. Samhongsa always insist on the operation idea of “human-oriented, honesty first, lean management and excellence” Providing perfect quality and service for users and possess the good reputation. Samhongsa’s cylinder have acquired and through eight world standards certifications(Such as: BIFMA；LGA；TUV；SGS, ect.). Samhongsa have built a friendly, long-term with Herman Miller, Allsteel, Steelcase, HON, etc. world-renowned brands. Only For Aeron chair made between 1996-2012.

Review: Heavy Duty It Is NOT! Cheap and Nasty and Will Not Last
Review: Excellent aftermarket cylinder for Aeron

## Features

- Listing is for a brand new never used CLASS 4, office chair seat height adjustment pneumatic gas lift cylinder. 4.5" stroke (seat travel from lowest to highest settings).
- Exceeds ANSI/BIFMA5.1-2011 standards, based on the specs of this cylinder, it's load capacity is 350 pounds.
- Length Compressed: 11.5" Fully Extended: 16" Travel: 4.5", Cylinder Diameter: 28mm (1.1") Column Diameter: 50mm (approx 2")
- After install, If the chair can't lift normally. Two screws located near where the cable attaches need to be adjusted, see photo 2.
- Cylinder for Aeron Chair Size A, B and C, offer 5 years replacement warranty.Only For Aeron chair made between 1996-2012.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07QF8XDCQ |
| Additional Features | Heavy, Heavy Duty, Gas, Travel, Height Adjustment, Seat |
| Age Range Description | Adult |
| Arm Style | Armless |
| Assembly Instructions Description | fake |
| Back Style | Mesh Back |
| Best Sellers Rank | #221,112 in Home ( See Top 100 in Home ) #1,142 in Home Office Desk Chairs |
| Brand | MingYi.office |
| Brand Name | MingYi.office |
| Chair Backrest Width | 420 Millimeters |
| Color | White |
| Colour | White |
| Cushion Style | Boxed Edge |
| Customer Reviews | 4.4 out of 5 stars 279 Reviews |
| Fill Material | Foam |
| Finish Types | Lacquered |
| Form Factor | Swing chair with mesh back and height adjustment |
| Frame Material Type | Alloy Steel |
| Furniture Base Movement | Glide |
| Furniture Finish | lacquered |
| Included Components | Arm Pad |
| Indoor Outdoor Usage | Indoor |
| Is Customizable? | No |
| Is Electric | No |
| Is Foldable | No |
| Item Depth | 25 inches |
| Item Dimensions | 63.5 x 63.5 x 63.5 centimeters |
| Item Dimensions D x W x H | 5.1D x 5.1W x 30H centimeters |
| Item Weight | 1.15 Kilograms |
| Item weight | 1.15 Kilograms |
| Leg Style | Pedestal |
| Manufacturer | Samhongsa |
| Manufacturer Part Number | Cylinder-H |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Maximum Weight Recommendation | 350 Pounds |
| Model Name | Classic Aeron |
| Model Number | Cylinder-H |
| Number of Height Positions | 1 |
| Pattern | Solid |
| Product Care Instructions | Wipe Clean |
| Product dimensions | 5.1D x 5.1W x 30H centimeters |
| Reclining Position Count | 1 |
| Recommended Uses For Product | Office |
| Required Assembly | No |
| Room Type | Office |
| Seat Back Interior Height | 450 Millimeters |
| Seat Depth | 45 centimeters |
| Seat Height | 16 Inches |
| Seat Length | 560 |
| Seat Material | Foam |
| Set Name | Herman Miller Aeron Chair |
| Shape | House |
| Size | 2D x 2W x 11.8H in |
| Style Name | Contemporary |
| Surface Recommendation | Hard Floor |
| Theme | modern |
| Tilting | No |
| UPC | 778862838788 743832019153 |
| Unit Count | 1.0 Count |

## 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

## Customer Reviews

### ⭐ Heavy Duty It Is NOT! Cheap and Nasty and Will Not Last
*by G***C on 29 May 2023*



### ⭐⭐⭐⭐⭐ Excellent aftermarket cylinder for Aeron
*by A***1 on 21 September 2023*



### ⭐⭐⭐⭐⭐ Best priced quality gas cilinder.
*by 0***X on 20 March 2026*



## 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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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-05-08*