Diesel Truck Repair in Long Island
Reliable, Local & Expert Diesel Truck Repair in Long Island
When your diesel truck needs top-tier attention, our team proudly serving Long Island delivers dependable diesel truck repair that keeps you on the road. With roots going back to 1970, this family-run shop specializes in servicing both work and personal diesel vehicles, treating every truck with care, precision, and professionalism.
Searching for diesel truck repair near me on Long Island? We’re known for our technical expertise, modern diagnostic tools, and straight-shooting service. Whether you're commuting along the LIE or making deliveries across Suffolk or Nassau County, we offer flexible scheduling, extended evening pick-ups, and even local courtesy rides to make diesel service easy across Long Island.
Why Choose Our Diesel Truck Repair in Long Island?
Diesel trucks are designed for heavy-duty performance—but they still need routine care and quality repairs to stay at their best. Our diesel truck repair services for Long Island drivers are focused on long-term reliability and performance—not just quick fixes.
From diagnosing fuel system troubles to resolving turbo or emissions issues, our ASE-certified technicians use cutting-edge equipment to perform efficient, accurate repairs that help prevent future breakdowns and extend engine life.
We work on all types of diesel engines and provide:
✔ Precision diagnostics that quickly uncover the issue
✔ Clear, honest pricing without hidden fees
✔ Durable repairs using premium parts
✔ Trusted service from a local, family-operated team
Whether it’s a Ford, Chevy, Dodge, or a full fleet vehicle, our diesel repair experts serving Long Island bring years of hands-on experience to every repair.
What Does Our Diesel Truck Repair Service in Long Island Include?
We offer full-service diesel truck repair across Long Island, covering everything your diesel vehicle needs for peak performance. Services include:
✔ Engine diagnostics and performance optimization
✔ Fuel system troubleshooting and repairs
✔ Turbocharger inspection and replacement
✔ Exhaust system and emissions service
✔ Glow plug and cold weather system repairs
✔ Radiator and cooling system service
✔ Transmission and drivetrain checks
✔ Heavy-duty brake service
✔ Scheduled diesel truck maintenance
If your truck is losing power, sounding off, or lighting up with warnings—our Long Island diesel mechanics will diagnose it fast and fix it correctly.
Who Benefits Most from Diesel Truck Repair in Long Island at Mineola Auto Service Center?
Whether you drive your diesel truck for work, travel, or daily errands—expert repairs are non-negotiable. Our diesel truck repair services are designed for Long Island drivers who depend on reliability and efficiency every day.
✔ Fleet operators who can’t afford downtime
✔ Business owners who rely on their trucks to run operations
✔ Diesel enthusiasts seeking peak performance
✔ Local drivers who appreciate fair prices and professional care
We help clients across Long Island protect their investment, boost fuel efficiency, and avoid larger problems through quality diesel servicing.
Do Diesel Trucks Cost More to Repair in Long Island?
Diesel truck repair may come at a higher price than gas engine service—but that’s due to the advanced systems involved. Diesel trucks are built for serious strength and endurance, but components like turbochargers and high-pressure fuel systems require advanced repair skills.
We help Long Island diesel drivers manage repair costs through:
✔ Detailed diagnostics to avoid unnecessary work
✔ Straightforward estimates and no guesswork
✔ High-quality, efficient repairs that hold up
✔ A skilled team that gets it right the first time
Customers across Long Island rely on our service to save money long-term and avoid larger repair bills through smart, proactive care.
OWNER & FOUNDER
BRIAN VALENTE
OWNER & MANAGER
JIMMY O'BRIEN
LEAD MECHANIC
JOSE GONZALEZ
How Our Diesel Truck Repair Service in Long Island Solves Real Problems
Your diesel truck is more than a ride—it’s part of your lifestyle, your livelihood, or your business. That’s why our diesel truck repair services in Long Island are focused on real solutions that keep you moving.
✔ Prevent roadside breakdowns with scheduled service
✔ Minimize stress with regular updates and communication
✔ Save on costly repairs by catching issues early
✔ Get more years and miles from your diesel investment
Long Island drivers trust us because we don’t just fix problems—we help prevent them, protect your wallet, and keep your truck running strong.
Long-Term Benefits of Diesel Truck Repair in Long Island Done Right
There’s more to a diesel truck repair than just fixing what’s broken. Our comprehensive service means ongoing benefits for Long Island diesel drivers:
✔ Better fuel mileage after tuning and proper care
✔ Cleaner emissions from a properly serviced engine
✔ Improved resale value with service documentation
✔ Greater reliability from full-system diagnostics
We don’t just patch things up—we help maintain your diesel truck’s long-term health and performance across Long Island roads.
Why Choose Mineola Auto Service Center for Diesel Truck Repair in Long Island?
When you’re searching diesel truck repair near me in Long Island, look beyond proximity—look for a team with decades of proven results and community trust.
With us, Long Island diesel drivers get:
✔ Generations of family-owned service you can rely on
✔ Diesel mechanics with real-world experience and training
✔ Clear, upfront communication—no surprises
✔ Flexible hours to fit your workday and routine
✔ A reputation for excellence backed by countless five-star reviews
We’re not just another garage—we’re Long Island’s trusted diesel truck repair specialists, committed to quality service from start to finish.
FAQs About Diesel Truck Repair in Long Island
How often should I service my diesel truck?
Diesel trucks require regular maintenance to stay reliable, typically every 5,000 to 7,500 miles depending on usage. At Mineola Auto Service Center, we help you stay on schedule with oil changes, fuel filter replacements, coolant checks, and other essential diesel truck repair services tailored to your driving habits.
Can I bring a commercial fleet vehicle in for diesel truck repair?
Yes! We specialize in both individual and fleet diesel truck repair. Whether you have one truck or ten, our team delivers fast turnaround and reliable results to keep your business running smoothly. Ask about our fleet service options during your next visit.
What are signs my diesel truck needs repair?
Common signs include loss of power, hard starts, excessive exhaust smoke, poor fuel economy, or strange engine noises. If you notice any of these, bring your truck in for a full diesel diagnostic—we’ll identify the issue and provide a detailed plan to fix it.
Do I need a diesel specialist for repairs?
Absolutely. Diesel engines are complex and require different tools, knowledge, and training than standard gas engines. At Mineola Auto Service Center, our diesel techs are trained specifically for diesel truck systems, ensuring every repair meets the highest standard.
How do I find the best diesel truck repair near me?
Look for a repair shop with diesel-specific experience, high customer ratings, and a track record of honest, effective service. Mineola Auto Service Center checks every box—with 35+ years in business, expert technicians, and hundreds of loyal local customers who trust us with their diesel trucks.
Need Diesel Truck Repair You Can Rely On?
Call us today at 516-741-1664 or set an appointment online to get your diesel truck back in peak condition—fast, fairly, and with the expert care you deserve.

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