The Dorman Heavy Duty Front Left Window Regulator and Lift Motor Assembly ensures you are Ready for the Road Ahead™, as a successful replacement for any regulator that has failed and left the window stuck in one position, moving unevenly, or not moving at all. Consisting of a series of cables, gears, and a motor, this power window regulator and lift motor assembly is durable and capable of withstanding heavy duty demanding applications, such as truck, buses, or other large vehicles. Dorman has a distinguished reputation in the heavy duty truck and trailer aftermarket, manufacturing a variety of parts for a complete repair. Through advanced engineering, Dorman successfully checks into today’s most common failures to figure out the why, ultimately delivering modern solutions that not only match OEM parts, but solve known issues. FleetPride is your First Click in Heavy Duty®.