For expert engine repair, rebuild, overhaul, and conversion services, trust Competition Truck Repair in Kernersville, NC. From routine maintenance to full-scale engine conversions, you can count on our skilled technicians to keep your engines running strong.

Our North Carolina Shop's Diesel Engine Repair & Rebuild Services
Diesel engines in commercial trucks operate under demanding loads, long hours, and changing driving conditions. Competition Truck Repair provides heavy-duty diesel engine repair, engine rebuilds, and major engine service in Kernersville, NC, for semi trucks, vocational vehicles, dump trucks, and commercial fleets.
Our technicians diagnose engine problems before recommending repairs. Depending on the condition of the engine, service may range from replacing failed components to completing a more extensive diesel engine rebuild or overhaul.
Our diesel engine services include:
- Diesel Engine Repair: We diagnose oil leaks, power loss, abnormal noises, overheating, excessive smoke, and other mechanical problems affecting engine performance.
- Diesel Engine Rebuild: A heavy-duty engine rebuild addresses internal wear or damage by inspecting, repairing, and replacing affected engine components to restore dependable operation.
- Engine Overhaul: More extensive engine problems may require a complete overhaul involving major internal components and supporting systems.
- Semi Truck Engine Repair: We diagnose and repair diesel engine problems affecting tractors and other Class 6-8 commercial trucks.
- Commercial Truck Engine Repair: Our technicians service engines used in dump trucks, vocational vehicles, fleet trucks, and other demanding commercial applications.
- Engine Diagnostics: Diagnostic testing helps identify fault codes, performance concerns, fuel system problems, and mechanical issues before repairs begin.
- Engine Conversion: Engine conversions may be available for applications requiring a different engine configuration or powertrain setup.
When Does a Diesel Engine Need Repair or a Rebuild?
Not every engine problem requires a complete rebuild. Some issues can be corrected through targeted diesel engine repair, while extensive internal wear, recurring failures, or major component damage may require more substantial engine work.
A repair may be appropriate for problems involving:
- Oil or coolant leaks
- Fuel delivery issues
- Turbocharger problems
- Gaskets and seals
- Cooling system components
- Sensors and related engine controls
- Individual damaged components
A diesel engine rebuild may be considered when internal wear or damage affects several major components. Our technicians inspect the engine and explain the available repair options before recommending major work.
Why Kernersville Chooses Competition Truck Repair for Diesel Engine Repair
Quality diesel engine repair requires experienced technicians who understand the complex systems that power today's heavy-duty trucks. Engine problems can lead to reduced performance, poor fuel economy, excessive downtime, and costly failures if they aren't addressed promptly. Our team provides professional diesel engine repair that helps restore reliability, improve performance, and keep your truck working at its best.
Here's what sets us apart:
- Comprehensive Diesel Engine Repair: We provide complete diesel engine repair, including engine diagnostics, fuel system repairs, injector replacement, turbocharger repairs, cooling system repairs, gasket replacement, engine component repairs, and complete engine overhauls.
- Accurate Engine Diagnostics: Every diesel engine repair begins with a thorough diagnostic process to identify performance issues, fault codes, and mechanical problems before recommending the appropriate repair.
- Experienced Heavy-Duty Technicians: Our team has the knowledge and equipment to perform diesel engine repair on commercial trucks, vocational trucks, buses, and other heavy-duty diesel vehicles.
- Honest Recommendations: We explain our findings clearly, discuss your repair options, and recommend dependable solutions that help maximize engine performance and service life.
- Reduced Downtime: We understand that engine problems can bring your operation to a halt. Our technicians work efficiently to complete quality diesel engine repair and return your truck to service as quickly as possible.
Reach Out Today!
Ready to schedule engine repairs, rebuilds, overhauls, or conversions for your heavy-duty truck? Contact Competition Truck Repair today at 336-257-8124 to speak with one of our knowledgeable team members. Let us help keep your fleet operating at its best.
Areas We Serve
While our shop is located in Kernersville, we extend our repairs and services to a 100-mile radius of the shop. This includes the following locations in North Carolina: Charlotte, Raleigh, Greensboro, Durham, Winston-Salem, High Point, Cary, Chapel Hill, and more. For those in these areas, we offer expert mobile truck repairs, roadside assistance, and towing services.
FAQs
How Do I Get to Competition Truck Repair in Kernersville, NC?
Engine performance concerns are easier to address when you have a trusted repair shop nearby. Competition Truck Repair is located at 171 Fulp Rd, Kernersville, NC 27284, with quick access from I-40, Business I-40, and US-421, making it convenient for commercial drivers throughout the Triad to schedule professional diesel engine repair.
You'll find our facility near Piedmont Triad International Airport, Downtown Kernersville, and Salem Lake. Drivers visit Competition Truck Repair for diesel engine repair, engine diagnostics, fuel system repairs, turbocharger service, cooling system repairs, and complete heavy-duty truck maintenance.
What is the average lifespan of a diesel engine?
The average lifespan of a diesel engine can vary depending on factors such as usage, maintenance, and operating conditions. With proper care, diesel engines can often last upwards of 500,000 miles or more.
How often should I have my engine inspected?
It's recommended to have your engine inspected regularly as part of routine maintenance, typically every 15,000 to 30,000 miles or annually. Regular inspections help detect issues early and prevent costly repairs.
Why does my diesel truck feel sluggish even without a warning light?
Several issues, including restricted fuel flow, turbocharger problems, clogged air filters, or emissions system faults, can reduce performance before warning lights appear. Understanding these early symptoms helps you address problems sooner and avoid costly engine repairs.
How can I get in touch?
You can reach us by phone at 336-257-8124. Our friendly staff is available to assist you with all your engine repair, rebuild, overhaul, and conversion needs. We look forward to hearing from you!
How Can You Improve Fuel Efficiency In A Caterpillar Diesel Engine?
Keep up with preventive maintenance, protect the fuel system from diesel fuel contamination, maintain proper airflow and cooling, reduce unnecessary engine idling, and investigate changes in fuel injector performance or engine power loss. Tracking fuel economy over time can also help identify developing problems before they become major repairs.

