2006-10 Chevrolet Trailblazer Impala Engine Computer ECM ECU PCM 12618163

2007-2008 Chevrolet Trailblazer Engine Control Module ECU ECM OEM 12618163

4.2L 2008 Chevy Trailblazer Engine Control Module ECU ECM PCM 12618163 YRHB

2008 Chevy Trailblazer LS 4.2L Engine Control Computer Module ECM OEM 12618163

2007 GMC Envoy Engine Control Module ECU ECM 12613427 (stock #312)

2007-2008 Chevy Trailblazer PCM ECM Engine Computer Module OEM 12613427

2008 Chevy Trailblazer 4.2L Engine Computer Module ECU ECM PCM OEM 12618163

2007 2008 Chevrolet Trailblazer Engine Control Unit Module ECM ECU Z2304 DG