Engine Control Module (ECM) – GM (88999132)

GM Genuine Parts builds this Engine Control Module to the same footprint as the original; the catalogue number is ECM) – GM (88999132. It replaces a module that has lost communication or an output driver. Catalogue application notes: Stamped #1227057. Match ECM) – GM (88999132 to the number on the failed component. Count the pins or check the connector keyway if two numbers look interchangeable. Held in US stock for same-week dispatch.