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

2004 Chevy Silverado 6.0L Engine Computer Module ECU ECM # 12586242 / 12583660

2004 Chevrolet Silverado GMC Sierra Engine Computer Control Module 12583660 OEM

2004 Chevy Silverado 5.3L Engine Computer Module ECU ECM 12586242 12583660

2004 Chevy Silverado 5.3L Engine Computer Module ECU ECM OEM 12586242 12583660

2008 Chevy Silverado/GMC Sierra 1500 5.3 ENGINE CONTROL MODULE ECU 12617630 YPMU

2004 Chevy Silverado 5.3L Engine Computer Module ECU ECM OEM 12586242 12583660

07-13 Chevy Truck Silverado Tahoe Engine Computer ECU ECM PCM 12605897 12597121