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Peterbilt 397 Performance Chips, Programmers & ECU Tuning
Peterbilt 397
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Performance Chips, Programmers & ECU Tuning for Peterbilt vehicles
Use your Peterbilt model, production year, trim and engine to check compatibility. Matching a make alone does not establish fit.
Where available, compare OE cross-reference numbers, dimensions and compatibility notes on the product page before ordering.