2003 Buick Lesabre (6 Cylinders K 3.8l Fi Ohv 231 CID) OEM ECU 12583827

Engine ECM Electronic Control Module Fits 2003-2005 AZTEK K Tested OEM

Engine ECM Electronic Control Module Fits 2003-2005 AZTEK J Tested OEM

Engine ECM Electronic Control Module Fits 2003-2005 AZTEK Tested OEM

Engine ECM Electronic Control Module Fits 2003-2005 AZTEK I Tested OEM

Engine ECM Electronic Control Module Fits 2003-2005 AZTEK Used Tested OEM

Engine ECM Electronic Control Module Fits 2003-2005 AZTEK D Tested OEM