Original TCU & ECU Files
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Peterbilt 389 Original File
Below you can choose Peterbilt 389's year.
Original ECU Files For Peterbilt 389
Peterbilt 389 original ECU files and other relevant information about each particular Peterbilt 389 model.
Aside from the original files, you can also find valuable information about hardware, software and ECU types for your Peterbilt 389.
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Find the generation and engine below and be sure you have all the correct information important for tuning.