Genuine OEM Volkswagen Front Door Window Regulator, part number 3D1837461N. This complete assembly is responsible for the precise and smooth up-and-down movement of the door window glass. It is specifically designed for the front left door of the vehicle. The unit includes the motor, cables, and mounting panel, constructed from durable metal and plastic components, weighing 3.248 kg. Using a genuine OEM window regulator ensures correct fitment, reliable operation, and proper integration with the vehicle's electrical system, preventing issues like slow operation, binding, or complete failure.