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Peterbilt 579 Parts — Engines, Transmissions & Drivetrain
The modern aero linehaul flagship, typically PACCAR MX-13 powered.
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Sourcing parts for a Peterbilt 579? Tell me which part you need and I'll match it.
What part do you need?
Common Peterbilt engines
Frequently asked questions
What engines do Peterbilt trucks use?
Late-model 579s commonly run PACCAR MX-13; many 389s run Cummins. Share the VIN and we'll confirm.