Trusted Diesel Repair Services in Salina

From pickups to OTR trucks, Willis Auto LLC delivers expert diesel diagnostics, repairs, and maintenance with honesty and speed.

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Comprehensive Diesel Engine Services

Diesel engines power the heart of many trucks and commercial vehicles across Salina and the Midwest. Willis Auto LLC specializes in diesel repair, offering advanced diagnostics, precision engine repairs, and routine maintenance for both light-duty pickups and heavy-duty OTR trucks. Our technicians have hands-on experience with leading diesel platforms, including Cummins, Duramax, Power Stroke, and commercial class 7-8 engines. Whether you're dealing with hard starts, smoke, loss of power, or check engine lights, we use the latest tools and OEM-grade parts to get you back on the road quickly. We understand that every hour of downtime impacts your schedule and revenue, which is why we focus on efficient, transparent service and long-term reliability.

From injector replacements and high-pressure fuel system diagnostics to turbocharger repairs and emissions system service, our shop is equipped for the toughest diesel challenges. We handle glow plug issues, DPF and SCR system maintenance, and complex electrical troubleshooting for both work trucks and over-the-road rigs. Willis Auto LLC also offers scheduled fleet diesel service, so your team can keep rolling without the worry of unexpected breakdowns. Our mobile repair options and after-hours availability mean you can count on support when and where you need it, minimizing disruption to your operations.

Advanced Diesel Diagnostics and Repairs

Diesel Repair Backed by Warranty and Integrity

What sets Willis Auto LLC apart is our commitment to honesty and craftsmanship. As a BBB Accredited and Carfax Car Care Service Center, we provide clear explanations, digital inspection reports, and upfront estimates—no surprise charges or unnecessary upsells. All diesel repairs are covered by our 12-month or 12,000-mile warranty for added peace of mind. We’re proud to serve Salina, Abilene, Lindsborg, and beyond, building lasting relationships with local drivers, farmers, and business owners who depend on diesel reliability. Schedule your diesel service today and experience the difference true expertise makes.

Our Services

Full-service care for cars, trucks, and OTR vehicles.
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Your Local Diesel Engine Specialists

Our certified team ensures your diesel engines run stronger, longer—minimizing downtime and maximizing performance.