AMP Research 2002-2006 Cadillac Escalade PowerStep - BlackGetting into your truck shouldn't feel like climbing Mount Everest. That's why AMP Research invented the patented PowerStep , the automatic, electric powered running board that instantly extends when you open your door, and retracts out of sight when the doors close for improved ground clearance, aerodynamics and appearance. Its sleek design, all weather performance and legendary reliability set the industry standard. This Part Fits: Year Make Model