1999-2006 Chevrolet Silverado Engine Computer ECU ECM 12586242 YFXL 12583660

1999 - 2001 Chevrolet Silverado 5.3L Engine Computer ECM ECU 09354896 CWAF

1999-2006 GM Chevy Engine Computer ECU ECM PCM Part 12576106 12570558

Chevy LSX LS SWAP 4.8L 5.3L 6.0L Engine Computer ECM ECU OEM 12589463

LS SWAP 1999-2006 GM Chevy Engine Computer ECU ECM PCM Part 12576106 12570558

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

2007 Chevrolet Silverado Engine Control Module ECM ECU AA1744 DG

2004 GMC Sierra & Chevrolet Silverado OEM Engine Control Module ECM 12586243