New 2004-2006 Chevrolet Silverado, GMC Sierra GM Duramax ECM PCM ECU | Service Number 12244189 Hollander_590-07152A 3500 HD 2009 GMC Sierra

3500 HD 2009 GMC Sierra 6

6L 2001-2005 Chevrolet Silverado 3500 6

L6 1998 Chevrolet Express Varies by application | gasoline 1999 Chevrolet Express Varies by application | (left side Rr engine bay comp)

This service removes the security system as well as any related systems that need to be programmed out due to an engine swap

4L 1997 Chevrolet P30 4

New 2004-2006 Chevrolet Silverado, GMC Sierra GM Duramax ECM PCM ECU | Service Number 12244189 Hollander_590-07152A 3500 HD 2009 GMC SierraNew GM ECM VIN Programmed Ready to Install Condition: New unit. This new GM engine control module is prepared for VIN based programming and application review. The application guide below lists compatible GM vehicles and related service module numbers in a normalized year, make, and model format. GM service numbers and module labels may cross reference multiple vehicle applications. We keep the service module number coverage visible, then review the