New Arrivals/Restock

7 Inches to 11 Inches Short Office Chair Cylinder Replacement, 4" Stroke, Heavy Duty 1000 lbs, Lower the Seat Height by 2", Fit for Office Chair High Base Short Person, Class 4 (Sinking 2.4")

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Until the end
22
23
04

$19.79 cheaper than the new price!!

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New  $32.99
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Product details

Management number 209066343 Release Date 2026/03/29 List Price $13.20 Model Number 209066343
Category
  • 🏆【Adjustable Height 4 inches】The sinking length is 2.4” (60mm), lowering the chair's minimum height, as a replacement for people needing a shorter chair. Compressed height is 7.48 inches (190mm), the fully expanded height is 11.2 inches (284mm), Stroke Length is 4 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. Please confirm these measurements before making a purchase. Not compatible with 1KEA and some other brands that have a cable pin hook on the top of the cylinder.
  • 🏆【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 (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 hammer or 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.
Size 4'' Travel Length(Sinking 2.4")
Color Matte Black
Shape Rectangular
Pattern Solid
Arm Style Armless
Leg Style Straight Leg
Room Type Office
Back Style Solid Back
Brand Name MASTERY MART
Item Depth 1-1/8"
Model Name AD4
Style Name Solid
Unit Count 1.0 Count
Is Foldable No
Finish Types Matte
Manufacturer Mastery Mart Inc.
Model Number AD4-Sinking 2.4
Fill Material Alloy Steel
Material Type Alloy Steel
Seat Material Fabric
Is Customizable No
Item Dimensions 9.7 x 2 x 2 inches
Furniture Finish Black
Required Assembly No
Additional Features Durable, Easy to Replace and Install, Heave Duty, Quality Guaranteed, Universal Fit
Frame Material Type Metal
Indoor Outdoor Usage Indoor
Age Range Description Adult
Surface Recommendation Hard Floor, Carpet
Furniture Base Movement Swivel
Reclining Position Count 1
Item Dimensions D x W x H 9.8"D x 2"W x 2"H
Product Care Instructions Wipe Clean
Recommended Uses For Product Office
Maximum Weight Recommendation 1000 Pounds

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