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    Meet Your Seller

    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

    • Upgraded Class 4 Gas Cylinder Mastery Mart's office chair cylinder replacement is made of premium steel. With the latest technique, it is class 4 which meets the highest industry standard (BIFMA/ANSI). Known to be durable and extremely strong, it is capable of supporting up to 1000 lbs.
    • Versatile 4-Inch Travel LengthOur office chair piston provides a 4-inch travel length and adjustable height options from 10.3 to 14 inches, making it a versatile choice for any home or office.
    • Universal Cylinder for Most ChairsCompatible with various chair types like office chairs, gaming chairs, executive chairs, and more. Outer cylinder diameter is 2 inches (50mm) for the base hole, and inner cylinder diameter is 1.1 inches (28mm) for the seat hole. Please double-check measurements before ordering. This pneumatic piston cylinder will fit almost every office chair on the market including Herman Miller Aeron.
    • Eliminate Sinking ConcernsPrevent 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 GuaranteedFor 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.
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    Any questions? Our AI beta will help you find out quickly.

    office chair cylinder replacement
    chair height extenders
    office chair cylinder replacement
    • 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.

    • 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.

    • 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 ).

    • No.

    Check Out All Office Chair Cylinder

    https://m.media-amazon.com/images/S/aplus-media-library-service-media/971b3891-9366-43dc-9f84-d7ff04a54317.__CR0,0,200,225_PT0_SX200_V1___.jpg

    Office Chair Cylinder 4‘’

    https://m.media-amazon.com/images/S/aplus-media-library-service-media/12008b04-58d8-4570-a3c6-7e23fc16ee59.__CR0,0,200,225_PT0_SX200_V1___.jpg

    Office Chair Cylinder 4‘’

    https://m.media-amazon.com/images/S/aplus-media-library-service-media/7171df69-f40d-4df8-9d7e-a2ae42ba2635.__CR0,0,200,225_PT0_SX200_V1___.jpg

    Chair Cylinder 5.5‘’

    https://m.media-amazon.com/images/S/aplus-media-library-service-media/da717362-b5d3-4e90-a98f-797e203fa764.__CR0,0,200,225_PT0_SX200_V1___.jpg

    Office Chair Cylinder 8‘’

    Customer Reviews
    Price
    Brand
    Mastery Mart Mastery Mart Mastery Mart Mastery Mart
    Material
    Alloy Steel Alloy Steel Alloy Steel Alloy Steel
    Stroke Length
    4" (10cm) 4" (10cm) 5.5" (14cm) 8" (20cm)
    Minimum and Maximum Length
    9.88 Inch -13.6 Inch 9.88 Inch -13.6 Inch 11.7 Inch -17.2 Inch 14 Inch -21.8 Inch
    Fit for
    Fix Sinking Office Chair Fix Sinking Office Chair Fix Sinking Office Chair Fix Sinking Office Chair
    Top Piston Diameter
    1-1/8" (28mm) 1-1/8" (28mm) 1-1/8" (28mm) 1-1/8" (28mm)
    Outer Tube Diameter
    2" (50mm) 2" (50mm) 2" (50mm) 2" (50mm)
    office chair cylinder replacement
    chair height extenders
    office chair cylinder replacement
    • 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.

    • 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.

    • 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 ).

    • No.

    Check Out All Office Chair Cylinder

    https://m.media-amazon.com/images/S/aplus-media-library-service-media/971b3891-9366-43dc-9f84-d7ff04a54317.__CR0,0,200,225_PT0_SX200_V1___.jpg

    Office Chair Cylinder 4‘’

    https://m.media-amazon.com/images/S/aplus-media-library-service-media/12008b04-58d8-4570-a3c6-7e23fc16ee59.__CR0,0,200,225_PT0_SX200_V1___.jpg

    Office Chair Cylinder 4‘’

    https://m.media-amazon.com/images/S/aplus-media-library-service-media/7171df69-f40d-4df8-9d7e-a2ae42ba2635.__CR0,0,200,225_PT0_SX200_V1___.jpg

    Chair Cylinder 5.5‘’

    https://m.media-amazon.com/images/S/aplus-media-library-service-media/da717362-b5d3-4e90-a98f-797e203fa764.__CR0,0,200,225_PT0_SX200_V1___.jpg

    Office Chair Cylinder 8‘’

    Customer Reviews
    Price
    Brand
    Mastery Mart Mastery Mart Mastery Mart Mastery Mart
    Material
    Alloy Steel Alloy Steel Alloy Steel Alloy Steel
    Stroke Length
    4" (10cm) 4" (10cm) 5.5" (14cm) 8" (20cm)
    Minimum and Maximum Length
    9.88 Inch -13.6 Inch 9.88 Inch -13.6 Inch 11.7 Inch -17.2 Inch 14 Inch -21.8 Inch
    Fit for
    Fix Sinking Office Chair Fix Sinking Office Chair Fix Sinking Office Chair Fix Sinking Office Chair
    Top Piston Diameter
    1-1/8" (28mm) 1-1/8" (28mm) 1-1/8" (28mm) 1-1/8" (28mm)
    Outer Tube Diameter
    2" (50mm) 2" (50mm) 2" (50mm) 2" (50mm)

    Product information

    Brand MASTERY MART
    Color Matte Black
    Material Alloy Steel
    Product Dimensions 9.84"D x 2"W x 2"H
    Size 4'' Travel Length
    Brand Name MASTERY MART
    Recommended Uses For Product Office
    Room Type Office
    Age Range Description Adult
    Model Name GAS-LIFT
    Indoor Outdoor Usage Indoor
    Model Number GAS-LIFT-GL
    Manufacturer Mastery Mart Co., Limited
    Material Type Alloy Steel
    Frame Material Type Alloy Steel
    Seat Material Foam
    Required Assembly No
    Maximum Weight Recommendation 1000 Pounds
    Back Style Solid Back
    Style Name Solid
    Pattern Solid
    Arm Style Standard
    Leg Style Straight Leg
    Item Dimensions D x W x H 9.84"D x 2"W x 2"H
    Item Weight 1.03 Kilograms
    Item Depth 9.84 inches
    Item Dimensions 2.17 x 2.17 x 10.24 inches
    Additional Features Durable, Easy to Replace and Install, Heave Duty, Quality Guaranteed, Universal Fit
    Furniture Base Movement Swivel
    Reclining Position Count 1
    Is Customizable? No
    Is Foldable No

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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