Engine Control Module (ECM) – GM (12731719)

GM Genuine Parts supplies this Engine Control Module under part number ECM) – GM (12731719 as a factory-pattern replacement. It plugs into the factory harness and runs the system it was programmed for. Catalogue application notes: Stamped #12731719. Silverado, sierra. 5.3l. Labeled 12731719. Silverado, sierra. 6.2l. Confirm the number on the part you are removing matches ECM) – GM (12731719 before ordering; superseded numbers are the same component under a later release. Ships from our US warehouse.