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2004 Chevrolet Silverado 5.3L ECU/ECM 12586242 *VIN PROGRAMMED*

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

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