This product is a genuine alternator manufactured by Volkswagen and Audi, with the part number 06J903023BX. It is designed to be used in vehicles from these brands and is a direct replacement for the original alternator. This alternator is a crucial component of the vehicle's electrical system, responsible for charging the battery and powering the various electrical components. It is made with high-quality materials and meets all the specifications and standards set by Volkswagen and Audi. This alternator is a reliable and durable option for maintaining the proper functioning of the vehicle's electrical system.