2004 Silverado 4.8L ECU Engine Computer 12586242 OEM + Cut Harness Plug

2004 SILVERADO ENGINE COMPUTER CONTROL MODULE ECU PCM ECM 12586242

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

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

03-07 Chevrolet Silverado ECU ECM PCM Engine Computer. 12586242

✅ VIN Programmed 04 GMC CHEVY 12586242 Engine Computer PCM GM