Engine ECM Electronic Control Module ID 12586242 Fits 04 AVALANCHE 1500 1520644

2003 04 05 06 Chevrolet Silverado Engine Computer ECU ECM 12586242

2003-2006 Chevrolet Silverado 1500 Engine Control Module ECU ECM 12586242 OEM

2004 04 CHEVROLET SILVERADO ENGINE COMPUTER MODULE ECU ECM 12586242 YFXM OEM

2003-2006 Chevrolet Silverado Sierra Engine Control Unit Module ECM ECU q0739 DG

04 Chevrolet Suburban Engine Control Module Unit Ecm 12587672 12586242 12583660

Fits 2004 Chevrolet Silverado 2500, ECU/ECM, OEM:12586242, VIN:1GCHK23U84F140159

PCM 12586242. YFKD. HDW 12583660 P23199 Blue. completely untested Delphi Auto