2003 03 BUICK LESABRE 12583827 ENGINE COMPUTER MODULE ECU ECM FREE SHIP RC2

04 05 Buick Lesabre 12583827 Computer Brain Engine Control ECU ECM EBX Module

2004 2005 Lesabre Park Ave. Impala Engine Computer ECM PCM ECU 12583827 OEM 7092

Engine ECM Electronic Control Module Fits 03-05 Aztek 3239260

2003-2005 Buick Century 3.1L AT Engine Computer Control Module ECM ECU 12583827

2004 2005 Buick Lesabre 3.8L Engine Control Computer Module ECM ECU OEM 12583827

2004 Buick Rendezvous ECM

Engine ECM Electronic Control Module ID 12583827 Fits 04-05 Buick LeSabre 674838