10 Inches to 15 Inches Office Chair Gas Lift Cylinder Replacement, 4.5" Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty 1000lbs, Universal Fit for Most Office Chair, Class 4, Black — Open-Box, 7% Off

Name: 10 Inches to 15 Inches Office Chair Gas Lift Cylinder Replacement, 4.5" Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty 1000lbs, Universal Fit for Most Office Chair, Class 4, Black
Brand: MASTERY MART
SKU: awhd-ca-b0dx6rps67
Price: 34.40 CAD
Availability: InStock

Brand: MASTERY MART

Condition: Used - VeryGood

$34⁴⁰

$36⁹⁹

-7% Save $2⁵⁹

Updated: 5 days ago

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Description

🏆【Adjustable Height 4.5 inches】The compressed length is 10.7 inches (272mm), the fully expanded length is 15.27 inches (388mm), sinking length is 1/2" (13mm), stroke length is 4.5 inches, which allows your chairs to rise higher. (Note: Please measure the length of the outer cylinder before purchase).

🏆【Universal Fit Size for Most Chairs】The outer column cylinder diameter connected to the base is 2 inches (50mm), and the piston shaft diameter connected to the chair is 1-1/8" (28mm). This pneumatic piston cylinder will fit almost every office chair on the market including Herman Miller Aeron. Please confirm these measurements before making a purchase. Not compatible with 1KEA and some other brands.

🏆【Upgraded Class 4 Gas Cylinder】Mastery Mart's office chair cylinder replacement is made of premium steel. This heavy-duty gas lift cylinder is manufactured to meet the highest industry standard Class 4, BIFMA/ANSI, the lift has a maximum capacity of up to 1000 lbs.

🏆【Eliminate Sinking Concerns】Prevent sinking issues by removing the old cylinder using a rubber mallet or pipe wrench. Simply assemble our new cylinder into the base and attach the seat. Our office chair lift provides seamless 360-degree rotation.

🏆【100% Satisfaction Guaranteed】For any issues with using our chair shock replacement, please don't hesitate to contact us. We are here to provide guidance, offer replacements, or process refunds, depending on your specific case. Your satisfaction is our priority.

10 Inches to 15 Inches Office Chair Gas Lift Cylinder Replacement, 4.5" Stroke, Hydraulic Pneumatic Shock Piston, Heavy Duty 1000lbs, Universal Fit for Most Office Chair, Class 4, Black

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Product Details

SKU:: awhd-ca-b0dx6rps67
Model:: GAS-LIFT-GL
Country:: CA
ASIN:: B0DX6RPS67

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $3 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for MASTERY MART products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.