Alternator Drive Variable Pulley – GM (12660100)

an Alternator Drive Variable Pulley from GM Genuine Parts, part 12660100, is a direct replacement for the unit fitted at the factory. In service it replaces a unit with a failed rectifier, regulator or bearing. Catalogue application notes: This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors. Match 12660100 to the number on the failed component. Count the pins or check the connector keyway if two numbers look interchangeable. GM Genuine Parts are the components installed during production or validated by General Motors for GM vehicles. Shipped from our US warehouse with tracking.