The product is a Quality-Built alternator with a manufacturer part number of 15016 designed for 09-10 Jaguar XF 4.2L-V8 vehicles. It is a remanufactured alternator ensuring long-term performance and reliability. This alternator is a high-quality replacement part that is specifically designed to meet the needs of Jaguar XF vehicles, providing a reliable solution for maintaining the electrical system of the car.