Engine ECM Electronic Control Module ID 12586242 Fits 04 AVALANCHE 1500 84092
FITS 2004 AVALANCHE 1500. ENVOY XUV. ESCALADE ESV AND EXT. ISUZU ASCENDER. SIERRA AND SILVERADO 1500 2500 3500. SIERRA DENALI. SUBURBAN AND YUKON XL 1500 2500. TAHOE AND YUKON.