Heavy-Duty Truck Parts & Repair

Quality parts, repairs that last

At Modern Diesel, we keep heavy-duty trucks on the road with expert repair and quality parts from trusted manufacturers. Engine trouble, brake issues, transmission problems — our team is equipped to handle the full range of heavy-duty work.

Parts & systems we cover

• Engines and major engine components
• Transmissions and drivetrain
• Brake systems — air and hydraulic
• Suspension and steering

From routine maintenance to emergency repairs and part replacements, we focus on fast, efficient service that means minimal downtime — reliable, cost-effective solutions for your heavy-duty trucks. Running several of them? Our fleet management services keep the whole operation maintained on schedule.

Warranty coverage is set with your service advisor at the time of service.

Makes we service

We work on the trucks running freight and job sites around Austin — Peterbilt, Kenworth, Freightliner, Volvo, Mack, and International — including PACCAR MX, Detroit, Cummins, and Mack power.

Why Modern Diesel

A Christian, veteran-owned shop serving the Greater Austin Area (Travis, Bastrop, Williamson, Hays). Come by or call today for heavy-duty truck repair and genuine parts built to last.