B (S)Module Kit – GM (19431773)

a B from GM Genuine Parts, part S)Module Kit – GM (19431773, is a direct replacement for the unit fitted at the factory. The unit plugs into the factory harness and runs the system it was programmed for. Match S)Module Kit – GM (19431773 to the number on the failed component. Count the pins or check the connector keyway if two numbers look interchangeable. Ships from our US warehouse.