GMC SIERRA 6600 DURAMAX 451CV 12645751 XXX-0.187 4D849AA3D3A4E4D0

You can order this Original(Stock) or Stage1/Stage2 tuning firmware file for:
GMC SIERRA 6600 Duramax 451CV,
ECU: BOSCH EDC17CP18/DELCO E86A,
HW: 12645752 XXX-0.187,
SW: 12645751 4D849AA3D3A4E4D0,

Order the tuning file from us! Send us your stock file via the form below and specify your request.

You can also send all files and requests to our email: andrusarhus@gmail.com or in skype: diagnostika54.