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 ); 5.5“ stroke ( 11.7 Inches -17.2 Inches ); 8“ stroke ( 14 Inches -21.8 Inches ).

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MASTERY MART 11 Inches-17 Inches Long Office Chair Gas Lift Cylinder Replacement, 5.5" Stroke, Heavy Duty 1000 lbs, Universal Gas Cylinder for Most Office Chair, Class 4 (Not for 1KEA, Black)

Product ID: 557687468

Details

Brand
MASTERY MART
Colour
Matte Black
Material
Alloy Steel
Product dimensions
29D x 5W x 5H
Size
11-17 Inches

📏5.5" adjustable stroke

🔄360° smooth swivel

⚙️Class 4 heavy-duty steel

330.28 DT

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Description

⚡ Upgrade your throne with power and precision!

BUILT TO ENDURE - Premium alloy steel construction supports up to 1000 lbs with Class 4 certification.
ELEVATE YOUR COMFORT - 5.5-inch adjustable height stroke for personalized seating elevation.
360 SEAMLESS ROTATION - Enjoy smooth swivel motion for dynamic work and gaming sessions.
EFFORTLESS INSTALLATION - Quick swap design eliminates sinking issues and restores chair stability fast.
UNIVERSAL COMPATIBILITY - Fits most office chairs including Herman Miller Aeron (except 1KEA).

The MASTERY MART Office Chair Gas Lift Cylinder Replacement offers a robust 5.5-inch adjustable height stroke, crafted from premium alloy steel with a heavy-duty Class 4 rating supporting up to 1000 lbs. Designed for universal fit across most office chairs (excluding 1KEA), it ensures smooth 360-degree swivel and easy installation, eliminating common sinking problems and restoring ergonomic comfort for professionals and gamers alike.

Specifications

ASIN	B099R8HLS4
Adjustable Seat Height Maximum	437 Millimetres
Adjustable Seat Height Minimum	297 Millimetres
Age Range Description	Adult
Arm Style	Armless
Assembly Instructions Description	No assembly required
Back Style	Mid Back
Best Sellers Rank	45,847 in DIY & Tools ( See Top 100 in DIY & Tools ) 922 in Furniture Hardware
Brand Name	MASTERY MART
Colour	Matte Black
Country Of Origin	China
Customer Reviews	4.5 4.5 out of 5 stars (445)
Form Factor	Swivel chair
Frame Material Type	Alloy Steel
Furniture Base Movement	Swivel
Included Components	Office Chair Gas Cylinder
Indoor Outdoor Usage	Indoor
Is Assembly Required?	No
Is Customizable?	No
Is Extendable	No
Item Depth	29 cm
Item Dimensions	30 x 5.5 x 5.5 centimetres
Item Dimensions D x W x H	29D x 5W x 5H centimetres
Item Shape	Rectangular
Item Weight	2 Pounds
Leg Style	wheels
Manufacturer	Mastery Mart Co., Limited
Manufacturer Part Number	MM-REP-GL04
Material Type	Alloy Steel
Model Name	Office Chair Gas Cylinder
Model Number	GAS-LIFT-GL
Number of Items	1
Number of Packs	1
Pattern	Solid
Reclining Position Count	1
Recommended Uses For Product	Office
Room Type	Office
Seat Material Type	Polyester
Size	11-17 Inches, 5.5'' Travel Length
Sleeping Bag Filling Material	Foam
Special Features	Adjustable Height
Style Name	Solid
Tilting	No
Unit Count	1.0 count

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330.28 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered 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 Tunisia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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