Vaico Window Regulator - V108763 - A window regulator is a mechanical device that is designed to raise and lower a vehicle's window. Vaico Window Regulator - V108763 is a high-quality, durable window regulator that is designed to provide a long-lasting, reliable performance. It is made from high-grade materials and is designed to fit a variety of vehicles. It is easy to install and comes with all the necessary hardware.