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Expert Diesel Truck Repair in Baton Rouge, LA and Surrounding Areas

Southern Louisiana Area

1-Year/12,000-Mile Warranty on Parts and Labor 

24/7 Emergency Services  (Tractor-Trailers Only)

Works With Insurance Companies

Request Service

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Diesel Experts You Can Trust

Coy's Diesel Sales, Service & Performance is your reliable partner for all things diesel in Southern Louisiana. We've been serving our community for over two decades, bringing unparalleled expertise to every job. Our family-owned business understands the importance of your vehicle, whether it's a light-duty pickup or a heavy-duty semi-truck. Our technicians are certified, which means we've got the skills and knowledge to handle even the most complex diesel engine issues. When you're stuck on the side of the road, we've got your back.

Our emergency roadside assistance for tractor-trailers is second to none - we'll typically be there within an hour to get you back on track. We don't just fix problems; we prevent them. Our team stays up-to-date with the latest industry advancements through continuing education, ensuring we're always ready to tackle the newest diesel technologies. From fuel system repairs to turbocharger issues, transmissions to digital inspections, we've got the expertise to keep your diesel running smoothly. For comprehensive diesel truck repair in Baton Rouge, LA, look no further than Coy's Diesel. Our dedicated team is committed to providing top-tier service, ensuring your vehicle performs optimally. Contact us today!

Why Choose Us

1-Year/12,000-Mile Warranty on Parts and Labor

Certified Technicians

24/7 Emergency Services (Tractor-Trailers Only)

Works With Insurance Companies

Over 20 Years of Experience

Pre-Purchase Inspection

Fully Licensed and Insured

diesel truck repair baton rouge la
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Light Duty

Our light-duty services cover a wide range of vehicles. We're experts in Ford, GM, GMC, Dodge/Ram, and Isuzu trucks. Whether you're driving a Powerstroke, Duramax, Cummins, or Isuzu engine, we've got the know-how to keep it running at peak performance. Our certified technicians use state-of-the-art diagnostic tools to pinpoint issues quickly and efficiently. When it comes to diesel truck repair in Baton Rouge, LA for light-duty vehicles, our precision and speed are unmatched. We understand that your light-duty truck is essential for work or personal use, and we strive to minimize your downtime with effective solutions. We handle everything from routine maintenance to complex engine diagnostics, ensuring your truck runs reliably.

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Heavy Duty

When it comes to heavy-duty trucks, we're the pros you can count on. We service Kenworth, Peterbilt, Volvo, Freightliner, and International trucks. Our team is well-versed in Detroit, Cummins, International, and Caterpillar engines. We understand that downtime means lost revenue, so we work efficiently to get your rig back on the road as quickly as possible. For robust diesel truck repair in Baton Rouge, LA for heavy-duty vehicles, Coy's Diesel stands out. Our extensive experience with major heavy-duty brands means we can tackle any challenge, from transmission overhauls to complete engine rebuilds. We use genuine parts and follow manufacturer specifications to ensure the longevity and performance of your heavy-duty truck. Our goal is to keep your business moving by providing quick and reliable service that you can depend on.

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Emergency Roadside Assistance

Breakdowns don't wait for convenient times. That's why we offer 24/7 emergency roadside assistance, for tractor-trailers only. Our rapid response team can typically reach you within an hour, equipped with the tools and parts to get you moving again. We understand the stress of being stranded, and we're committed to providing quick, reliable service to get you back on schedule. When you need immediate diesel truck repair in Baton Rouge, LA for your tractor-trailer, our emergency service is your lifeline. Our mobile units are fully stocked, allowing us to perform many repairs on-site, saving you time and the hassle of towing. We prioritize your safety and schedule, making sure you're back on the road with minimal disruption.

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Brands

At Coy's Diesel, we work with a wide array of brands to ensure we can service virtually any diesel vehicle that comes our way. For medium-duty trucks, we're experienced with Kenworth, Freightliner, Peterbilt, Ford 650, and International. Our extensive knowledge spans across multiple manufacturers, allowing us to provide comprehensive service. We are your go-to for expert diesel truck repair in Baton Rouge, LA. Regardless of your vehicle's make or model, our technicians undergo continuous training to stay current with the latest advancements in diesel technology across all major brands. This commitment to ongoing education ensures that we can diagnose and repair even the most modern and complex diesel systems. Whether you need routine maintenance or a specialized repair, you can trust Coy's Diesel to deliver exceptional service every time. We pride ourselves on being a versatile and reliable partner for all your diesel service needs, ensuring your vehicle receives the best care possible.


Commitment to Excellence

Our commitment to excellence extends beyond just repairs. We believe in proactive maintenance to prevent issues before they arise, saving you money and stress in the long run. We offer thorough diagnostic services that pinpoint potential problems, allowing us to address them before they escalate into major breakdowns. This preventative approach is a cornerstone of our diesel truck repair in Baton Rouge, LA, helping our clients maintain their vehicles in peak condition. We also provide detailed digital inspections, giving you a clear picture of your vehicle's health and any recommended services. This transparency builds trust and empowers you to make informed decisions about your diesel vehicle's care. From oil changes and filter replacements to comprehensive engine tune-ups, our maintenance services are designed to maximize your truck's lifespan and performance. When you choose Coy's Diesel, you're choosing a partner dedicated to the long-term health and efficiency of your diesel vehicle. Our friendly and knowledgeable staff is always ready to answer your questions and provide expert advice. We understand that every diesel truck is an investment, and we treat each vehicle with the care and attention it deserves, offering unparalleled diesel truck repair in Baton Rouge, LA.


Contact Us

Ready to experience the Coy's Diesel difference? Get in touch with us today for all your diesel sales, service, and performance needs. Our friendly and knowledgeable team is here to answer your questions, schedule your service, and provide expert advice. Whether you need routine maintenance, a complex repair, or emergency roadside assistance for your tractor-trailer, we're just a call or click away. You can reach us by phone, email us, or visit our shop. For your convenience, you can also fill out our online service request form on our website. We look forward to serving you and keeping your diesel vehicle running at its best!

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Here's what our satisfied customers are saying...

At Coy's Diesel Sales, Service & Performance, we take pride in providing exceptional diesel services to our customers. We would be grateful if you could share your thoughts about our business with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review  of Coy's Diesel Sales, Service & Performance and let others know what you think.