This product is a used alternator specifically designed for 2015-2018 Porsche Macan models with a 3.0L or 3.6L engine. It comes with a 1-year manufacturer warranty and is made in Germany. The alternator has a 12V voltage output and includes a pulley. It is not a universal fitment part, meaning it is designed specifically for the make and model of the vehicle. This part is essential for generating electrical power in the vehicle and ensuring proper function of the car's electrical systems.