Availability: 10 in stock
an ECM from GM Genuine Parts, part 12731739, is a direct replacement for the unit fitted at the factory. In service it controls fuel and spark using the factory calibration and connector. Catalogue application notes: Corvette. 5.5l. 5.5L, z06. Match 12731739 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. Ships from our US warehouse.