ECM – GM (12723810)

GM Genuine Parts builds this ECM to the same footprint as the original; the catalogue number is 12723810. It replaces a PCM that no longer communicates or holds its calibration. Catalogue application notes: Silverado, Sierra 2500 HD. Diesel. Silverado, Sierra 3500 HD. Match 12723810 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.