The front left electric seat base track frame for GM Chevy GMC Silverado Sierra trucks from 1999 to 2006 is a motorized seat frame made of plastic and metal. It features a detachable headrest and comes in a sleek black color. This universal fitment seat frame includes a motor and is designed for the driver side of the vehicle. Manufactured in the United States by GM, this high-quality seat base track frame is a perfect fit for those looking to upgrade or repair their electric seat system.