The Freightliner 1997 Through 2011 Power Window Regulator And Motor Assembly is a reliable and trustworthy replacement for your vehicle. Available for the front right or left hand side, it features a bolt-on attachment and a plastic gear construction material. Each assembly includes a regulator for easy installation. Engineered and tested to match the fit, function, and performance of the original window regulator, this product ensures a long service life. It has been extensively tested by cycling thousands of times in an actual vehicle door. Designed in the U.S.A., it provides a direct seamless fit with the original equipment shape and dimensions.