General Diesel Repair
When your diesel truck struggles, every route feels longer. Minor problems can quickly turn into expensive repairs. Our expert diesel repair service helps you avoid breakdowns and keeps your rig road-ready and reliable.
Diesel Truck Repair in Ronkonkoma, NY
Diesel trucks are built for the long haul, but even the most challenging rigs need service. From braking issues and air system leaks to electrical faults and drivability concerns, minor problems can grow into serious downtime if not caught and corrected quickly.
At K&M Truck Repair, we offer full-service diesel repair for single trucks, fleets, and everything in between. No matter the issue, we’re equipped to diagnose it, fix it, and get your truck back on the job. We handle:
- Brake inspections, adjustments, and air leak repairs
- Lighting, wiring, battery, and starter diagnostics
- Suspension, steering, and axle service
- Exhaust system checks and repairs
- HVAC and electrical component diagnostics
- DOT inspection prep and follow-up work
- General drivability diagnostics and system troubleshooting
Experience the K&M Difference!
At K&M Truck Repair, our team takes your truck repair seriously because we know what’s at stake when your truck is down. Here's why fleet managers trust us:
Dealer-Quality Repairs: From the front bumper to the rear axle, we follow OEM service standards and use high-quality parts to keep your rig running strong, without slowing you down like the dealership.
Relentless Diagnostics: Our mechanics take the time to find what’s really wrong, not just what triggered the light. If it’s hidden, we’ll uncover it—and fix it right the first time.
Outstanding Customer Service: You’ll never be left in the dark. We keep you updated, explain the repairs, and give you real timelines you can plan around.
Contact Us About Medium and Heavy-Duty Diesel Repair Now: Call 631-331-0066!
Having issues with your diesel truck? Call 631-331-0066 today to schedule your expert diesel services with K&M Truck Repair today. Prefer texting? Message us at 833-267-3752, and we’ll get your appointment locked in at a time that best suits you!
FAQs
What areas do you serve for diesel truck repair?
We are located at 3045 Veterans Memorial Highway, Ronkonkoma, NY 11779, and proudly serve all of Suffolk County and parts of Nassau County.
What’s included in your diesel repair service?
It covers inspections, diagnostics, and repairs across braking, suspension, lighting, electrical, and emissions systems. Our repair service also includes resolving drivability issues and prepping trucks for DOT compliance. It’s full-truck care, not just engines.
Why is my diesel truck struggling with low power?
Low power can result from clogged fuel filters, sensor issues, air intake blockages, or faulty emissions components. The only way to know for sure is with a proper diagnostic check.
How can I get diesel truck repair?
If your truck isn’t running right, don’t wait. Call 631-331-0066 or text 833-267-3752 to schedule your diesel repair services with K&M Truck Repair. We’ll inspect, diagnose, and repair your truck so you can get back to business.
Services
Medium & Heavy Duty Diesel Services
Beyond repairs, we offer complete service solutions for trucks of all sizes. We perform state and federal DOT inspections, preventive maintenance plans, drivability checks, and full system diagnostics. Need help with your DPF/DEF system, turbo, liftgate, or landing gear? We’ve got it covered. Our goal is simple: keep your vehicles compliant, road-ready, and running strong. Whether you're managing a fleet or just one rig, we’ll keep things moving without the downtime.
Reviews
Customer Testimonials
"Was looking for a new shop to work on my truck and these guys were phenomenal. Took me right in, kept me informed throughout the process and expeditiously had me back up and running. Their knowledge and workmanship is incredible. If you're looking for a great shop to bring your truck to, look no further because these are your guys,"
- Daniel
Contact & Location
Billing
Here at K&M TRUCK REPAIR, we know that any product or service that streamlines your fleet repairs saves you time and money, so we now have cbCharge available. It is a simple and free charge account that consolidates your billing through a secure online portal and provides 30-day payment terms with no interest or late fees. Your fleets repairs and maintenance are completed and billed and emailed from K&M TRUCK REPAIR. Then you get one monthly invoice from cbCharge, similar to a credit card bill.
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