0 281 020 122 and 12628641 - You must match this exactly!

ECU tested and does have communication and a properly functioning processor!

• You must match your part number exactly as seen above. If any numbers are off compared to your original it will not work properly.
• At the time of purchase please supply your VIN for programming. You will need to complete a 30 minute key relearn and we'll send those instructions with your order.
• Ecu will fit 2007 to 2010 GM Chevy 6.6L LMM diesel models with an exact part number match.

Pins perfect, none are broken or bent

This ECM comes with a 90 day warranty from the date of purchase. Please keep a copy of your purchase record which we will send with your item. The $50 shipping charge is for your core. Once you return that with the label we will ship with your order we will refund the shipping charge.