12586242 GMC Envoy /Yukon 2004 Engine COMPUTER Unit ECU ECM Module 4D8 523 B5

12586242 GMC Envoy /Yukon 2004 Engine COMPUTER Unit ECU ECM Module 14L4 24 B2

12586242 GMC Envoy /Yukon 2004 Engine COMPUTER Unit ECU ECM Module 14L4 21 B2

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

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

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

2004 SILVERADO ENGINE COMPUTER CONTROL MODULE ECU PCM ECM 12586242

Engine ECM Electronic Control Module ID 12586242 Fits 04 AVALANCHE 1500 12807814