Western Star Repair Services in Ronkonkoma, NY

Western Star Repair

When your Western Star starts acting up, every haul feels longer. Codes stack up, power drops, and downtime gets expensive. That's when it's time to book your Western Star repair from our team at K&M Truck Repair. We're here to solve the problem early and keep performance on track.

Western Star Truck Repair in Ronkonkoma, NY

Western Star trucks are built for durability and hauling power, but when your rig develops engine issues, aftertreatment faults, or electrical glitches, you need more than a quick fix. You need specialized diagnostics and trusted repair professionals who know your truck inside and out.

At K&M Truck Repair, we provide full-service Western Star truck repair. We use advanced Western Star diagnostics and OEM-grade tools to address everything from emissions problems to drivetrain issues. Our services include:

  • Full Western Star engine repair
  • EGR, DPF, and aftertreatment system repair
  • Sensor, wire harness, and Western Star electrical repair
  • Suspension, steering, and brake diagnostics
  • Fuel system testing and performance checks
  • Lighting, HVAC, and in-cab troubleshooting
  • DOT inspection support and preventive maintenance

We service all models—including 4700, 4900, and 5700XE—so whatever your fleet contains, we've got your back.

Experience the K&M Difference!

Your Western Star truck is a workhorse, and we treat it like one. At K&M Truck Repair, we combine dealership-level diagnostics with a commitment to honest, fast, and transparent service that keeps your fleet moving. Here’s what you can expect:

Dealer-quality repair: Our team uses the same diagnostic tools and procedures as the OEMs.

Relentless troubleshooting: We don’t stop at codes. We uncover the source of every failure to prevent repeat visits.

Outstanding customer service: From drop-off to delivery, you’ll get clear timelines, accurate updates, and expert recommendations.

We don’t just fix trucks—we restore confidence in every mile ahead.

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

Need your Western Star inspected, diagnosed, or repaired? Call 631-331-0066 now to schedule your service. Short on time? Text our team at 833-267-3752, and we’ll find a time that best suits you and your schedule!

FAQs

What areas do you serve for Western Star 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 the common problems with Western Star trucks?

Common problems with Western Star trucks include electrical system faults, HVAC issues, DPF and DEF system failures, air suspension leaks, and sensor malfunctions. Wiring harness wear and corrosion are also frequent, especially in harsh environments. Regular diagnostics and preventive maintenance help reduce these issues.

Why is my Western Star engine derating?

Your Western Star engine may be derating due to emissions system faults, such as a clogged DPF, DEF quality issues, failed NOx sensors, or incomplete regeneration. Other causes include low fluid levels, turbo faults, or ECM errors. A diagnostic scan is needed to identify the exact trigger.

How can I get Western Star repair?

If your Western Star is showing codes, losing performance, or is due for service, call 631-331-0066 or text 833-267-3752 to schedule your Western Star repair. We’ll get it inspected, fixed, and back on the road in no time!

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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