Engine Control Module (ECM) – GM (88999133)

Part ECM) – GM (88999133 is the GM Genuine Parts Engine Control Module for the factory location it serves. The unit plugs into the factory harness and runs the system it was programmed for. Match ECM) – GM (88999133 to the number on the failed component. Count the pins or check the connector keyway if two numbers look interchangeable. Shipped from our US warehouse with tracking.