New 2007-2010 GMC Sierra, Chevrolet Express, Chevrolet Silverado, GMC Savana GM E35 / E35A Duramax ECM PCM ECU | Service Number 19267058 Model_Lumina_APV 4L V8 1997 Chevrolet K3500

4L V8 1997 Chevrolet K3500 Pickup 5

This lets us know what calibration the vehicle came with from the factory and what starter file to use to start building your tune

Some of the most common are listed below

NO EXCEPTIONS

New 2007-2010 GMC Sierra, Chevrolet Express, Chevrolet Silverado, GMC Savana GM E35 / E35A Duramax ECM PCM ECU | Service Number 19267058 Model_Lumina_APV 4L V8 1997 Chevrolet K3500New 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