The Dorman 594-003 Powerbond PB 1445-n.Harmonic Balancer is a high-quality engine part designed specifically for select Buick, Oldsmobile, and Pontiac vehicles. Made by the reputable brand Dorman, this harmonic balancer is a crucial component that helps to smooth out vibrations and maintain the proper performance of the engine. With manufacturer part numbers 25527381 and 88959266, this product ensures a perfect fit and reliable performance. The package includes one harmonic balancer, making it easy to install and replace worn-out or damaged parts in your vehicle.