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12597121 CHEVROLET 07 AVALANCHE remanufactured ECM ECU
Product ID : 46398057
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46398057
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About 12597121 CHEVROLET 07 AVALANCHE Remanufactured ECM
An engine control unit (ECU), now called the powertrain control module (PCM), is a type of electronic control unit that controls a series ofactuators on an internal combustion engine to ensure optimal engine performance.
