Replace the gas lift in your Herman Miller Ergon 3 chair with a purpose-built, new cylinder designed to restore smooth height adjustment and reliable support. This replacement is tailored for Ergon 3 chairs, making it ideal for home offices and professional workspaces where consistent comfort matters.
Features
Newly manufactured to match the original Ergon 3 gas lift specifications
Single-stage pneumatic cylinder for dependable height adjustment
Available in standard or heavy-duty capacity for different weight needs
Compatibility: fits Herman Miller Ergon 3 chairs with model numbers starting with EE (1995–present)
Not compatible with Ergon chairs older than June 1995 (prefixes ER, EG, or OS); older units may require a base kit
Part numbers: ORP111-Ergon3 and ORP111HD-Ergon3
In stock and ready to ship; backed by a two-year warranty
sourced from authorized Herman Miller suppliers; not Herman Miller, Inc., but a trusted parts reseller
Benefits
Reclaim precise height control and stable seating with a cylinder that matches the Ergon 3’s original feel. The standard option suits everyday use, while the heavy-duty version provides reliable support for heavier users without sacrificing smooth operation. A two-year warranty adds peace of mind, and clear compatibility guidance helps you choose the right part the first time, reducing downtime and installation guesswork. For volume needs, a discounted quote is available via email.
