2006 Buick Rainier 4.2L 12597521 PCM ECM ECU Engine Computer NGM

Engine Computer Programmed Plug&Play 2007 Buick Rainier 4.2L PCM ECM ECU

Engine Computer Programmed Plug&Play 2005 Buick Rainier 4.2L PCM ECM ECU

2006 Buick Rainier 4.2L OEM Engine Computer PCM ECM Mounting Bracket 15781315

2006 Buick Rainier 4.2L 12606398 PCM ECM ECU Engine Computer NGM

2006 Buick Rainier 4.2L 12600818 PCM ECM ECU Engine Computer NGM

2006 Buick Rainier 4.2L 19209820 PCM ECM ECU Engine Computer NGM

Engine Computer Programmed Plug&Play 2006 Buick Rainier 12591648 YHZM 4.2L ECM