How durable is this gas lift?

The office chair cylinder is made from high-strength alloy steel, high-quality thickened outer steel, high safety and explosion-proof. The gas lift cylinder has passed SGS official test and BIFMA certification, highest safety Class 4.

Will this chair cyinder fit on the herman miller aeron office chair?

Yes, our cylinder measures 1-1/8” (28mm) at the top, where it fits into the chair seat, shaft diameter 2” (50mm) at the bottom, where it fits into the chair base, you can measure your original cylinder before ordering.

What are the measurements of the cylinder, shortest and longest height as well as overall length and width?

Top of the cylinder: 1-1/8”, Shaft diameter：2”, Shortest and longest height for 4“ stroke ( 9.88 Inches -13.6 Inches ); 4.5“ stroke ( 10.7 Inches -15.2 Inches ); 5.5“ stroke ( 11.7 Inches -17.2 Inches ); 8“ stroke ( 14 Inches -21.8 Inches ).

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MASTERY MART Office Chair Gas Lift Cylinder Replacement, 4" Travel Length, Heavy Duty 1000 lbs, Hydraulic Pneumatic Shock Piston, Universal Size Fits Most Office Chairs, Class 4, Matte Black

MASTERY MART Office Chair Gas Lift Cylinder Replacement, 4" Travel Length, Heavy Duty 1000 lbs, Hydraulic Pneumatic Shock Piston, Universal Size Fits Most Office Chairs, Class 4, Matte Black

Product ID: 501913625

Details

Brand
MASTERY MART
Color
Polished Steel
Material
Metal
Product Dimensions
1.97"D x x
Size
4.5'' Travel

📏4-inch adjustable travel

🥇Class 4 steel strength

♻️Universal fit design

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Description

🪑 Elevate your workspace with power, precision, and universal fit—because your chair deserves the best.

UNMATCHED DURABILITY - Premium Class 4 steel supports up to 1000 lbs—built to last through every work marathon.
360 SMOOTH ROTATION - Enjoy fluid swivel motion and eliminate annoying sinking issues for uninterrupted productivity.
SEAMLESS COMPATIBILITY - Fits most office and gaming chairs, including Herman Miller Aeron—upgrade without the hassle.
EFFORTLESS INSTALLATION - Swap out your old cylinder in minutes with simple tools—no professional help needed.
PRECISION HEIGHT CONTROL - 4-inch travel range lets you customize your chair height from 10.3 to 14 inches for perfect ergonomic alignment.

The Mastery Mart Office Chair Gas Lift Cylinder Replacement is a heavy-duty, Class 4 pneumatic piston made from premium alloy steel. It offers a 4-inch adjustable travel length, supports up to 1000 lbs, and fits most office chairs on the market, including high-end models like the Herman Miller Aeron. Designed for easy installation and smooth 360-degree rotation, it eliminates sinking issues and ensures long-lasting ergonomic comfort.

Specifications

ASIN	B099R9BW5W
Age Range Description	Adult
Arm Style	Standard
Back Style	Solid Back
Best Sellers Rank	#51,197 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #2,162 in Furniture Accessories
Brand	Mastery Mart
Colour	Matte Black
Country of Origin	China
Customer Reviews	4.5 out of 5 stars 1,121 Reviews
Form Factor	Recliner
Frame Material	Alloy Steel
Furniture Base Movement	Swivel
Indoor Outdoor Usage	Indoor
Is Assembly Required?	No
Is Customisable?	No
Is Foldable	No
Item Depth	9.84 inches
Item Dimensions	5.5 x 5.5 x 26 Centimeters
Item Dimensions D x W x H	25D x 5.1W x 5.1H Centimeters
Item Weight	1.03 Kilograms
Leg Style	Straight Leg
Manufacturer	Mastery Mart Co., Limited
Manufacturer Part Number	MM-REP-GL02
Material	Alloy Steel
Maximum Weight Recommendation	453.59 kg
Model Name	GAS-LIFT
Model number	GAS-LIFT-GL
Pattern	Solid
Product Dimensions	25D x 5.1W x 5.1H Centimeters
Product Features	Durable, Easy to Replace and Install, Heave Duty, Quality Guaranteed, Universal Fit
Reclining Position Count	1
Recommended Uses For Product	Office
Room Type	Office
Seat Material Type	Foam
Set Name	4" Travel Length
Size	4'' Travel Length
Style	Solid
Wood Type	Alloy Steel

Reviews

A**R

7.01.2026

H**R

22.09.2025

S**N

31.08.2025

F**Z

19.10.2025

S**1

20.04.2026

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€ 46.51

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In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

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