Looking for the best Herman Miller replacement parts? We’ve tested and reviewed the top 10 options to help you revive your chair with ease.
Herman Miller chairs are built to last, but even the best need a refresh. Replacement parts can bring your chair back to life, saving you money and keeping it comfortable and functional. Whether it’s a worn seat, a broken armrest, or a faulty gas lift, the right part makes all the difference.
We’ve tested and reviewed the best Herman Miller replacement parts to help you find the perfect fit. From lumbar supports to caster wheels, these upgrades are easy to install and built to last. Discover how to revive your chair and enjoy it like new!
List of Top 10 Herman Miller Replacement Parts
| Image | Title | Best For | Price |
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Replacement Seat for Herman Miller Classic Aeron Size B Medium (Black Mesh) |
This replacement seat is perfect for anyone with a Herman Miller Classic Aeron Size B chair who needs to fix a worn or torn seat. It’s easy to install and fits perfectly, giving your chair new life and comfort. |
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Seat Pad Foam Insert Replacement for Herman Miller Classic Aeron Office Chair A B C Size (Black, A/B) |
This seat pad foam insert is perfect for anyone with a Herman Miller Classic Aeron Office Chair in size A, B, or C. It’s easy to replace and fits both new and refurbished models, making it ideal for a quick chair upgrade. |
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Lumbar Support Pad Replacement for Herman Miller Classic Aeron Chair – Size B: Medium,Black |
This lumbar support pad is perfect for anyone who owns a Herman Miller Aeron Chair Size B and wants extra comfort and better posture. It’s easy to install and built to last, making it ideal for daily use. |
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Aeron Chair Seat Bolts Hip Pivot Bolts Screw for Herman Miller Aeron Chair |
This product is perfect for anyone who owns a Herman Miller Aeron Chair and needs to replace worn-out seat bolts. It’s easy to install and fits all chair sizes A, B, and C. |
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SINOLUXE Heavy Duty Gas Lift Cylinder for Herman Miller Aeron Chair 4 Hydraulic Piston with 380 lbs, Top Activated Office Chair Hydraulic Cylinder Replacement |
This heavy-duty gas lift cylinder is perfect for anyone with a Herman Miller Aeron chair made between 1996 and 2012. It’s easy to install and built to last, supporting up to 380 lbs without noise. |
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HYEJDRV Chair Armrest Replacement, Arm Pad Caps Replacement for Herman Miller Classic Aeron Chair Graphite Black 1 Pair |
This HYEJDRV Chair Armrest Replacement is perfect for anyone who owns an old classic Herman Miller Aeron Chair and wants to upgrade their comfort. It’s ideal for those who spend long hours sitting and need soft, ergonomic arm support. |
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Herman Miller 2.5-Inch Aeron Office Chair Replacement Caster Set for Standard Carpet (Set of 5) |
This caster set is perfect for anyone with a Herman Miller office chair and standard carpet. It’s easy to install and fits Aeron, Aeron Stools, Embody, Mirra, and Celle chairs. |
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6″ Pneumatic Gas Cylinder for Herman Miller Classic Aeron Chair,Top Activated Office Chair Hydraulic Cylinder Replacement,Stroke Gas Lift Cylinder#1B08VM,Heavy Duty 450lbs New Pneumatic Cylinder |
This heavy-duty gas cylinder is perfect for anyone with a Herman Miller Classic Aeron Chair needing a reliable replacement. It’s ideal for daily use, supporting up to 450 pounds and ensuring smooth height adjustments. |
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SINOLUXE Upgrade PostureFit Butterfly Lumbar Support Replacement for Herman Miller Aeron Chair,only for Aeron Classic Chair Size A/B/C(Graphite Black) |
This lumbar support is perfect for anyone who spends long hours sitting in a Herman Miller Aeron Chair. It’s ideal for those needing extra back comfort and relief from numbness. |
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Ciuouient Tilt Limiter & Forward Rear Tilt Cable Kit Compatible with Herman Miller 1996-2016 Classic Aeron Chair,Fits for Size A,B,C |
This Tilt Limiter & Forward Rear Tilt Cable Kit is perfect for anyone with a Herman Miller Classic Aeron Chair (1996-2016, Size A, B, C) who wants to fix a broken tilt function or upgrade their chair’s performance. |
Detailed Reviews
Discover the top 10 Herman Miller replacement parts handpicked for comfort, durability, and value. Each part is expert-reviewed and backed by customer feedback, ensuring a perfect fit for your chair. From lumbar support to gas cylinders, find the best upgrades to refresh your chair. Read on to make your Herman Miller feel brand new!
1. Replacement Seat for Herman Miller Classic Aeron Size B Medium (Black Mesh)

This replacement seat is made for Herman Miller Classic Aeron Size B Medium chairs. It fits perfectly, ensuring a smooth upgrade. No need to worry about compatibility issues.
The black mesh is durable and breathable, offering firm support for long hours. Its exact dimensions match the original seat, so it aligns seamlessly. Installation is quick and easy.
With no extra tools needed, this pre-assembled seat comes with clear instructions. It’s a cost-effective way to refresh your chair.
| Pros | Cons |
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Perfect For:
This replacement seat is perfect for anyone with a Herman Miller Classic Aeron Size B chair who needs to fix a worn or torn seat. It’s easy to install and fits perfectly, giving your chair new life and comfort.
Ready to Purchase?
2. Seat Pad Foam Insert Replacement for Herman Miller Classic Aeron Office Chair A B C Size (Black, A/B)

This seat pad foam insert is a perfect fit for your Herman Miller Classic Aeron Office Chair. It works for sizes A, B, and C, so no need to worry about compatibility. The black color matches seamlessly with your chair.
It’s easy to replace and install, saving you time and effort. The 2-year limited warranty gives you peace of mind with your purchase.
This insert is designed for both new and refurbished chairs, making it a versatile choice. It’s a simple way to refresh your chair’s comfort and look.
| Pros | Cons |
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Perfect For:
This seat pad foam insert is perfect for anyone with a Herman Miller Classic Aeron Office Chair in size A, B, or C. It’s easy to replace and fits both new and refurbished models, making it ideal for a quick chair upgrade.
Ready to Purchase?
3. Lumbar Support Pad Replacement for Herman Miller Classic Aeron Chair – Size B: Medium,Black

The lumbar support pad is designed for Herman Miller Aeron Chair Size B. It fits perfectly and improves comfort. This replacement is easy to install and ready to use.
Made from thickened PU and foam, it is soft yet durable. The ergonomic design supports your back and spine. It lasts long and protects your waist while sitting.
Enjoy worry-free use with a one-year warranty. Contact us if you have any questions.
| Pros | Cons |
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Perfect For:
This lumbar support pad is perfect for anyone who owns a Herman Miller Aeron Chair Size B and wants extra comfort and better posture. It’s easy to install and built to last, making it ideal for daily use.
Ready to Purchase?
4. Aeron Chair Seat Bolts Hip Pivot Bolts Screw for Herman Miller Aeron Chair

The Aeron Chair Seat Bolts are essential for your Herman Miller Aeron Chair. They fit Size A/B and C chairs perfectly. These Graphite/Black bolts blend seamlessly with your chair.
Each set includes 2 pairs of bolts, so you have extras on hand. They are made by Office Logix Shop, ensuring quality and reliability.
These bolts are easy to install and keep your chair stable and secure. They are designed specifically for Herman Miller Aeron chairs.
| Pros | Cons |
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Perfect For:
This product is perfect for anyone who owns a Herman Miller Aeron Chair and needs to replace worn-out seat bolts. It’s easy to install and fits all chair sizes A, B, and C.
Ready to Purchase?
5. SINOLUXE Heavy Duty Gas Lift Cylinder for Herman Miller Aeron Chair 4 Hydraulic Piston with 380 lbs, Top Activated Office Chair Hydraulic Cylinder Replacement

Revive your Herman Miller Aeron chair with the SINOLUXE Heavy Duty Gas Lift Cylinder. This top-activated hydraulic piston is designed for chairs made between 1996 and 2012. It’s a perfect fit for your office chair.
Made from premium-grade steel, this cylinder supports up to 380 lbs. It’s durable, quiet, and smooth, ensuring no noise during use.
Installation is quick and easy. Simply replace the old piston and enjoy stable, 360° silent rotation. It’s a reliable upgrade for your chair.
| Pros | Cons |
|---|---|
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Perfect For:
This heavy-duty gas lift cylinder is perfect for anyone with a Herman Miller Aeron chair made between 1996 and 2012. It’s easy to install and built to last, supporting up to 380 lbs without noise.
Ready to Purchase?
6. HYEJDRV Chair Armrest Replacement, Arm Pad Caps Replacement for Herman Miller Classic Aeron Chair Graphite Black 1 Pair

Upgrade your Herman Miller Classic Aeron Chair with the HYEJDRV Chair Armrest Replacement. This set of 2 black arm pads fits Size A, B, and C models, offering soft and comfortable support.
Ergonomic design relieves pressure on your arms and elbows. The 100% polyurethane finish ensures a smooth, cushioned feel. Easy to clean in just minutes.
Simple installation makes replacing old armrests a breeze. No screws included, but the process is straightforward. 2-year limited warranty for peace of mind.
| Pros | Cons |
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Perfect For:
This HYEJDRV Chair Armrest Replacement is perfect for anyone who owns an old classic Herman Miller Aeron Chair and wants to upgrade their comfort. It’s ideal for those who spend long hours sitting and need soft, ergonomic arm support.
Ready to Purchase?
7. Herman Miller 2.5-Inch Aeron Office Chair Replacement Caster Set for Standard Carpet (Set of 5)

Upgrade your office chair with the Herman Miller 2.5-Inch Aeron Replacement Caster Set. These casters are designed for standard low-pile office carpets, ensuring smooth movement.
The set includes five casters, each with a standard 2.5-inch diameter. They are the same casters that come standard on most Aerons, unless otherwise noted.
Fits Aeron, Aeron Stools, Embody, Mirra, and Celle Office Chairs. Easy to install. Durable and long-lasting.
| Pros | Cons |
|---|---|
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Perfect For:
This caster set is perfect for anyone with a Herman Miller office chair and standard carpet. It’s easy to install and fits Aeron, Aeron Stools, Embody, Mirra, and Celle chairs.
Ready to Purchase?
8. 6″ Pneumatic Gas Cylinder for Herman Miller Classic Aeron Chair,Top Activated Office Chair Hydraulic Cylinder Replacement,Stroke Gas Lift Cylinder#1B08VM,Heavy Duty 450lbs New Pneumatic Cylinder

This heavy-duty gas cylinder is a perfect replacement for your Herman Miller Classic Aeron Chair. It ensures smooth and reliable height adjustment, meeting high industry standards.
It supports up to 450 pounds, fits Size A, B, and C models, and comes with a five-year warranty. Simple to install, it’s built to last.
| Pros | Cons |
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Perfect For:
This heavy-duty gas cylinder is perfect for anyone with a Herman Miller Classic Aeron Chair needing a reliable replacement. It’s ideal for daily use, supporting up to 450 pounds and ensuring smooth height adjustments.
Ready to Purchase?
9. SINOLUXE Upgrade PostureFit Butterfly Lumbar Support Replacement for Herman Miller Aeron Chair,only for Aeron Classic Chair Size A/B/C(Graphite Black)

The SINOLUXE Butterfly Lumbar Support is a perfect upgrade for your Herman Miller Aeron Chair. It fits Size A/B/C chairs and is made from high-quality materials for maximum comfort. This pad supports your back’s natural curve, reducing numbness during long hours of sitting.
Installation is quick and easy, replacing old or worn-out pads in minutes. The package includes one Butterfly Pad, designed to enhance your chair’s functionality and improve posture.
| Pros | Cons |
|---|---|
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Perfect For:
This lumbar support is perfect for anyone who spends long hours sitting in a Herman Miller Aeron Chair. It’s ideal for those needing extra back comfort and relief from numbness.
Ready to Purchase?
10. Ciuouient Tilt Limiter & Forward Rear Tilt Cable Kit Compatible with Herman Miller 1996-2016 Classic Aeron Chair,Fits for Size A,B,C

Revive your Herman Miller Classic Aeron Chair with the Ciuouient Tilt Limiter & Forward Rear Tilt Cable Kit. This kit is compatible with chairs from 1996 to 2016, fitting sizes A, B, and C. It’s the perfect fix for tilt function issues.
The kit includes forward and rear tilt cables, a lever assembly, and tilt buttons. These parts work together to restore your chair’s tilt function, making it feel like new again.
Easy to install, this kit solves tilt problems fast. Check your chair’s cable length and end shape before buying. Get your Aeron chair working smoothly in no time!
| Pros | Cons |
|---|---|
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Perfect For:
This Tilt Limiter & Forward Rear Tilt Cable Kit is perfect for anyone with a Herman Miller Classic Aeron Chair (1996-2016, Size A, B, C) who wants to fix a broken tilt function or upgrade their chair’s performance.
Ready to Purchase?
Buying Guide
Herman Miller chairs are built to last, but even the best need a refresh. Replacement parts can bring your chair back to life, saving you money and keeping it comfortable and functional.
Factors to Consider When Buying Herman Miller Replacement Parts:
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Compatibility: Make sure the part is designed for your specific chair model and size. Check the product description for details.
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Quality: Look for durable materials like premium-grade steel, thickened PU, and foam. High-quality parts ensure a long-lasting upgrade.
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Ease of Installation: Choose parts that are easy to install, with clear instructions and minimal tools required. Pre-assembled parts are a plus.
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Warranty: Opt for products with a warranty for peace of mind. Warranties range from one to five years, depending on the part.
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Functionality: Consider the part’s purpose – whether it’s improving comfort, stability, or movement. Choose parts that enhance your chair’s functionality.
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Price: Compare prices to find a cost-effective solution. Replacement parts can save you money compared to buying a new chair.
With these factors in mind, you can confidently choose the best Herman Miller replacement parts to revive your chair. Enjoy a comfortable and functional seating experience once again!