Engine ECM Electronic Control Module ID 12583826 2003-2004 BUICK PARK AVENUE OEM

2003 GM Buick Impala Monte Carlo 12583826 Engine Control Module ECU ECM OEM

99 Buick Century Engine Control Module ECM Computer 12583826 12582721 YDRU Plugs

12583826 ecm ecu computer 2003-2004 Buick Park Avenue **TESTED GOOD**

Programmed 2003-2004 Silhouette PCM 12583826 | Powertrain Control Module

2003-2005 Grand Am Powertrain Control Module PCM 12583826 Programmed to VIN

2003 LESABRE Engine Control Module Computer ECU ECM PCM - 12582721; 12583826

VIN Programmed 2003 Buick Park Avenue Engine Computer PCM 12583826 GM