The product is a GM ACDelco 25980397 Left Rear Door Window Regulator designed for the 2006-2007 Buick Lacrosse and 2005 Buick Allure models. Specifically meant for the rear right side of the vehicle, this window regulator is a genuine ACDelco part that ensures a proper fit and function for your car's window system. It is designed to meet the original specifications and standards set by General Motors, providing reliable and long-lasting performance for your vehicle's window operation.