--- product_id: 615872579 title: "Alloy Steel Office Chair Cylinder Replacement Parts, 4.0 inch Stroke Gas Lift Cylinder, Hydraulic Piston Cylinder 1000 LBs, Standard Size Fits Most Office Chair and Swivel Chair" brand: "subhtoh" price: "VT10218" currency: VUV in_stock: true url: https://www.desertcart.vu/products/615872579-alloy-steel-office-chair-cylinder-replacement-parts-4-0-inch store_origin: VU region: Vanuatu --- # Heavy duty 1000 lbs load capacity 360° smooth rotation 100mm Class 3 piston stroke Alloy Steel Office Chair Cylinder Replacement Parts, 4.0 inch Stroke Gas Lift Cylinder, Hydraulic Piston Cylinder 1000 LBs, Standard Size Fits Most Office Chair and Swivel Chair **Brand:** subhtoh **Price:** VT10218 **Availability:** ✅ In Stock ## Summary > 💺 Elevate your workspace comfort—upgrade like a pro! ## Quick Answers - **What is this?** Alloy Steel Office Chair Cylinder Replacement Parts, 4.0 inch Stroke Gas Lift Cylinder, Hydraulic Piston Cylinder 1000 LBs, Standard Size Fits Most Office Chair and Swivel Chair by subhtoh - **How much does it cost?** VT10218 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/615872579-alloy-steel-office-chair-cylinder-replacement-parts-4-0-inch) ## Best For - subhtoh enthusiasts ## Why This Product - Trusted subhtoh brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Fit:** Standard 51mm outer diameter fits most office & swivel chairs seamlessly. - • **Smooth & Silent:** 360-degree rotation with whisper-quiet hydraulic lift for premium comfort. - • **Effortless Upgrade:** Quick, tool-free installation saves you hours and hassle. - • **Cost-Smart Solution:** Replace your sinking chair cylinder and avoid buying a new chair. - • **Certified Durability:** BIFMA & TUV tested for 100,000 lift cycles—built to last. ## Overview The SUBHTOH 4.0 inch Stroke Gas Lift Cylinder is a heavy-duty, Class 3 hydraulic piston designed to replace worn-out office chair cylinders. Certified by BIFMA and TUV for durability, it supports up to 1000 lbs and offers smooth 360° rotation. Its universal 51mm diameter fits most office and swivel chairs, providing an easy, cost-effective upgrade that extends your chair’s life and enhances ergonomic comfort. ## Description Alloy Steel Office Chair Cylinder Replacement Parts, 4.0 inch Stroke Gas Lift Cylinder, Hydraulic Piston Cylinder 1000 LBs, Standard Size Fits Most Office Chair and Swivel Chair ## Features - EASY INSTALLATION: No need spending hours to remove your chairs old broken cylinder, you can remove broken piston and install our gas lift for chair easily. We will also make sure to help guide you if you need. - HEAVY DUTY CLASS 3 PISTON CHAIR: our office chair piston passed the top-level test of BIFMA and TUV certification, lifting up and down 100000 times. - ADJUSTABLE CHAIR CYLINDER: 100mm Class 3 piston, extended total length 345mm, 360 degree rotation to all directions, freely lift and rotate your chair smooth and quietly. - EXCELLENT ALTERNATIVE PARTS: Save your money is our goal. If your chair sinking, you don’t need to buy new chair directly. Choose our piston can save your money. - UNIVERSAL SIZE THAT FITS MOST CHAIRS: Outer cylinder diameter 51mm (2 inches). Inner cylinder diameter 28mm (1.1 inches) fits the salon chairs, executive chairs, work chairs, rolling stools on the market, and has a better load-bearing capacity. ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | Subhtoh | | Manufacturer | Subhtoh | | Model number | CYA-BL40-S-R | | Colour | Black | | Number of Memory Sticks | 1 | | Item Weight | 750 g | | Product Dimensions | 24.38 x 5.08 x 5.08 cm; 750 g | | Item model number | CYA-BL40-S-R | | Item Height | 2 Inches | | Item Width | 2 Inches | | Are batteries included? | No | ## Product Details - **Brand:** Subhtoh - **Color:** Black - **Material:** Alloy Steel - **Product Dimensions:** 2.28"D x 2.19"W x 11.93"H - **Size:** 4.0 inch ## Images ![Alloy Steel Office Chair Cylinder Replacement Parts, 4.0 inch Stroke Gas Lift Cylinder, Hydraulic Piston Cylinder 1000 LBs, Standard Size Fits Most Office Chair and Swivel Chair - Image 1](https://m.media-amazon.com/images/I/51X9q22g9XL.jpg) ## Available Options This product comes in different **Colour** options. ## Questions & Answers **Q: is it easy to assemble the new cylinder?** A: By Subhtoh Seller on May 18, 2022 **Q: Does this come with the old cylinder removal tool, the two circular clamps?** A: No. But it is pretty easy to change out. My husband used a hammer to remove the old one. You don't need a lot of force to bump it out. ## Frequently Bought Together - Subhtoh Universal Size Chair Cylinder Replacement Parts 4.0 inch Stroke Heavy Duty Gas Lift Cylinder for Office Desk Chairs/Gaming Chair,Hydraulic Piston Cylinder Heavy Duty 1000 LBs - Besitu 500Lbs Office Chair Replacement Parts, w/ 6'' x 10.2" Mounting Holes Chair Base Heavy Duty Plate Swivel Tilt Control Seat Mechanism for Executive and Gaming Chairs --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/615872579-alloy-steel-office-chair-cylinder-replacement-parts-4-0-inch](https://www.desertcart.vu/products/615872579-alloy-steel-office-chair-cylinder-replacement-parts-4-0-inch) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-18*