This 100-amp alternator is a newly manufactured, exact replacement for your GM vehicle's original unit, ensuring seamless compatibility and reliable performance. Designed and validated by GM engineers, it meets rigorous standards and is tailored specifically for Chevrolet, Buick, GMC, or Cadillac models. With a 12 VDC output and clockwise rotation, it delivers dependable power to keep your vehicle's electrical systems running smoothly. As part of the Mitsubishi family, this alternator benefits from GM's commitment to integrating advanced materials and technologies, ensuring long-lasting durability. Backed by General Motors, it offers the quality and peace of mind you expect from GM Genuine Parts, which were formerly known as ACDelco GM Original Equipment (OE). Whether you're replacing a worn-out alternator or upgrading for optimal performance, this part is engineered to meet the highest standards of reliability and efficiency.