2009 Chevy Trailblazer 4.2L Engine Computer Control Module ECM ECU OEM 12630457

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

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

02-09 Chevy Trailblazer ECU ECM with Mounting Bracket

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

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