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

2004 SILVERADO ENGINE COMPUTER CONTROL MODULE ECU PCM ECM 12586242

✅2003-2006 Silverado Sierra Yukon 6.0L Engine Computer 12589463 12589162 ECU ECM

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

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

✅ VIN Programmed 04 GMC CHEVY 12586242 Engine Computer PCM GM