Herman Miller Classic Aeron Chair Gas Lift Cylinder – Genuine Replacement Part

Got a sinking feeling every time you sit in your Herman Miller Aeron?

Yeah, we’ve been there.

Don’t toss that perfectly good chair—just swap out the cylinder!

This is the real deal, a genuine Herman Miller Classic Aeron pneumatic cylinder, brand new in its original packaging.

It’s the exact part you need to get that smooth, adjustable lift back.

Whether you’re fixing up your office setup or giving new life to a used chair, this is the straight-up OEM replacement.

No knock-offs, no guesswork.

Just a simple fix that makes your chair feel brand new again.

Super easy install for anyone handy with a wrench.

Comes in the original manufacturer packaging, just like you’d get from the store.

Perfect for any Classic Aeron model.