2004 Chevrolet Silverado ECU ECM computer 12586242 Fits 2003-2007

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2004 Chevrolet Silverado GMC Sierra Engine Computer Control Module 12583660 OEM

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03-06 Chevrolet Silverado Sierra 5.3L Engine Computer ECU ECM 12586242 12583660

2008-2011 Chevy Silverado 1500 ECM ECU Engine Control Module 12617630 YPMU

2003-2006 CHEVY SILVERADO 2500 GMC SIERRA ECM ENGINE COMPUTER 12586242 YCTJ