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The AMP Research PowerStep automatic running board fits 2005–2010 Hummer H3 and 2009–2019 Hummer H3T applications; minor cutting is required for installation. It deploys when a door opens and retracts to preserve clearance and aerodynamics. The design pairs high‑strength die‑cast aluminum components with an anodized/PTFE finish, maintenance‑free bushings, precision stainless pivot pins and integrated LED illumination. Backed by a five‑year/60,000‑mile warranty.
AMP Research 2005-2010 Hummer H3 PowerStep - Black
