Peterbilt Repair Services in Ronkonkoma, NY

Peterbilt Repair

Driving a Peterbilt means you expect more from your ride, and when something’s off, it shows. With our expert Peterbilt repair, you get fast diagnostics, quality parts, and the confidence to push through every haul without hesitation.

Peterbilt Truck Repair in Ronkonkoma, NY

Peterbilts are built to last—but that doesn’t mean they’re problem-free. From complex aftertreatment system failures to engine performance dips or air brake repair needs, you need a shop that knows the brand inside and out.

At K&M Truck Repair, we specialize in all aspects of Peterbilt truck repair. Our mechanics use advanced diagnostics software to quickly identify and fix problems across your trucks without the guesswork. We repair and service:

  • Check engine lights and Peterbilt engine repair
  • Faulty aftertreatment system components, DPF/DEF issues
  • Electrical failures and Peterbilt electrical repair
  • Clutch, transmission, and drivetrain problems
  • Suspension and brake system inspections
  • HVAC, lights, sensors, and wiring
  • Air brake repair for Peterbilt trucks
  • Preventive maintenance and DOT inspection prep

We service Peterbilt day cabs, sleepers, dump trucks, and vocational units—keeping you compliant, efficient, and moving forward.

Experience the K&M Difference!

When it comes to Peterbilt trucks, you want repairs that match the quality of your rig. At K&M Truck Repair, you’ll get dealership-grade work—with the speed, value, and flexibility of an independent shop.

Here’s what sets us apart:

Dealer-quality repairs: We use OEM-level diagnostics and install only high-performance parts.

Relentless troubleshooting: We dig deeper to find the root of every failure, not just reset a code.

Outstanding customer service: From scheduling to updates to final pickup, we keep the process seamless and straightforward.

Contact Us About Peterbilt Repair Now: Call 631-331-0066!

Having issues with your truck? Call 631-331-0066 today to schedule your Peterbilt repair with K&M Truck Repair. Don't fancy talking on the phone? Text our team at 833-267-3752, and we’ll immediately confirm your appointment.

FAQs

What areas do you serve for Peterbilt 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 are common Peterbilt electrical issues?

Common Peterbilt electrical issues include faulty wiring harnesses, corroded ground connections, failing relays, blown fuses, and problems with lighting or dash controls. Battery drain, ECM communication errors, and moisture intrusion into connectors are also frequent causes of electrical faults in these trucks.

What causes Peterbilt aftertreatment issues?

Peterbilt aftertreatment issues are commonly caused by DEF system failures, clogged DPF filters, faulty NOx sensors, poor-quality DEF fluid, and ECM calibration problems. Incomplete regeneration cycles and wiring issues can also lead to performance loss and increased emissions. Regular maintenance helps prevent these problems.

How can I get Peterbilt repair?

If your Peterbilt is showing warning lights, losing power, or is due for service, call 631-331-0066 or text 833-267-3752 today to schedule your Peterbilt repair. You take pride in your Peterbilt. We take pride in keeping it at its best!

K&M Truck Repair

Keeping You On The Road

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

"Thank you Angel, Rich, and the crew for always doing the right thing and being there when needed.  @MorelandHose appreciates dealing with local, family-owned small businesses like yourself."

David

"My truck lights were out and Peter and Ray saved the day. Peter showed me exactly what the issue was and had me going in no time. Real honest service!!!!  I will definitely go back."

3 Brothers Family Moving

"The truck repair shop is a lifesaver for truck owners. They provide swift and skilled service, ensuring your vehicle gets back on the road in no time. A dependable choice for truck maintenance and repairs."

Kenneth

"I Highly recommend this place and people. One of the most friendly and attentive shop I’ve ever work with. Thank you Alvin for your assistance, professionalism and kindness. Thank you Peter for your skills, time, knowledge and honesty fixing my truck. You have a customer for life."

Dariusz

"This place is awesome! They got me in right away and fixed the tires on my kayak trailer. The entire staff was kind and courteous. I would highly recommend!!!"

Karen

"This company is extremely reliable! Hard workers and they go the extra mile for you. I am completely satisfied and in awe of how fast they got to me and to work. 100% recommend."

Jonathan

"Professional, friendly, and knowledgeable.  These people go above and beyond to help you fix the problem.  We had several issues with our truck (electrical, brakes, airleak).  The owner, Peter, checked out the truck and fixed it quickly!  He and his staff are extremely helpful and friendly.   These people treat you right and know their stuff!"

Lady Trucker

"Air compressor went out on my 2007 Peterbilt. Peter showed up within an hour and had me rolling again by noon next day good, honest mechanic is priceless these days I highly recommend."

Stephen

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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