ECM – GM (12731976)

Part 12731976 is the GM Genuine Parts ECM for the factory location it serves. It controls fuel and spark using the factory calibration and connector. Catalogue application notes: 6.6L gas. Match 12731976 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. Held in US stock for same-week dispatch.