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Item #:
142841315
28" Black Plastic Replacement Office Chair 5 leg Star Base - Made in USA - S4121
Item #:
142841315
GBP 54
Price Details
Price
GBP 54
Excluding Shipping, VAT & Custom charges ( Shipping, VAT and custom charges will be calculated on checkout.
If Item price + shipping is below GBP 135, 20% VAT will be calculated on checkout, if it is equal or above GBP 135, no VAT will be charged. )
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In stock
Imported from USA store
QTY:
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Thursday, October 29
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Our top quality replacement office chair bases are made in the USA of top quality materials and surpass BIFMA industry weight testing standards.
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What Stands Out
Durable Material
Crafted from high-quality black plastic, this chair base ensures long-lasting durability and strength, supporting a stable seating experience for any office environment.
Easy Installation
Designed with user convenience in mind, the base allows for effortless installation on most office chairs, making it an ideal replacement solution without the need for professional assistance.
Made in USA
Proudly manufactured in the USA, this chair base not only guarantees superior quality and craftsmanship but also supports local industries, contributing to reduced carbon footprint in transportation.
Product Details
| Country of Origin | United States |
| Model | S4121-1 |
| Style | Chair Base |
| Main Color | Black |
| Country of Manufacture | United States |
| MPN | S4121-1 |
| Brand | chairpartsonline |
| UPC | 735201994789 |
| Item Weight | 3 lbs (1.36 kg) |
Who Should Buy?
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Office Environments
Ideal for office spaces needing a durable and cost-effective replacement for broken chair bases.
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Home Workers
Great for remote workers who want to upgrade or replace their existing office chair base for better comfort.
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DIY Enthusiasts
Perfect for individuals who enjoy DIY projects and are looking to modify or restore office furniture.
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Heavy Users
Not suitable for individuals over a certain weight limit, which could lead to decreased durability.
Product Description
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Customer Questions & Answers
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Question:
How to Shop 28" Black Plastic Replacement Office Chair 5 leg Online From Ubuy?
Answer: It’s easy to shop 28" Black Plastic Replacement Office Chair 5 leg online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location. -
Question:
Is 28" Black Plastic Replacement Office Chair 5 leg Available to Shop Online in UK?
Answer: Yes, at Ubuy UK this product is available for you to shop at a reasonable price. The 28" Black Plastic Replacement Office Chair 5 leg is not available locally but you can trust us with our express shipping services. -
Question:
How Long Does It Take to Get Product After Placing the Order?
Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.
chairpartsonline Editorial Review
28" Black Plastic Replacement Office Chair 5 Leg Star Base - Made In USA - S4121 is a robust and reliable replacement for your office chair, crafted in the United States. Weighing only 3 lbs, this black plastic chair base offers both durability and style, making it an excellent choice for any workspace. Users appreciate the high-quality materials that ensure longevity and stability, making it perfect for everyday use. With its sleek design, it blends effortlessly with any chair style while providing the necessary support for comfort. Whether you need a base for a damaged chair or simply want to upgrade your seating, this product is an ideal solution.
Customer Reviews & Ratings
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Pros
- Made in the USA for quality assurance
- Lightweight at 3 lbs for easy handling
- Sturdy construction for long-lasting use
- Compatible with various office chairs
- Sleek black finish matches any decor
Cons
- Requires assembly for installation
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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GBP 54
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Thursday, October 29
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- High-quality replacement chair base made in the USA.
- Surpasses BIFMA industry weight testing standards.
- Universal fit for standard office chair casters.
- 28-inch overall diameter for stability.
- Tapered center hub hole accepts standard gas lift cylinder.
- Durable black nylon plastic construction.
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