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Phone Number

(503)-389-0096
Services
Why Choose Us
Reviews
Our Process
  • Full-Service Diesel Repair
  • Engine Diagnostics
  • Fuel System, Turbo & Exhaust Repairs
  • Certified Mechanics
  • Honest Pricing & Accurate Diagnostics

Trusted Diesel Mechanics Near You – Performance You Can Rely On

Certified Diesel Experts | Diesel Repairs, Diagnostics & Performance Upgrades

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⭐⭐⭐⭐⭐ "On point and on-time... would highly recommend"

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"On point and on-time... would highly recommend"

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⭐⭐⭐⭐⭐


Get A 100% Free

Estimate From Us

Know your costs upfront—fast, simple, and completely hassle-free every time.

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2-year, 24,000-Mile Warranty

Peace of Mind Auto Repair Warranty

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Layne Doshier

2023-08-24

If I could, I'd give 7/5 stars, seriously. When you have so many options for a mechanic (especially in hillsboro) it's hard to know if you're being swindled or getting genuine service.

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Rachel Squires

2023-08-03

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Friendly, thorough, efficient, and affordable service. Highly recommend!

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Rebeca Ghossein

2023-08-09

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G&D is a wonderful service to refer to. They’re friendly, reliable, and have had quick turnaround in my experience. Thank you guys!

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Quincy Jones

2023-08-09

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Service was on point and on-time no complaints and would highly recommend Alex and his crew to work on your car.

Client Reviews

What People & Clients Think About Us?

Experienced Team

HomeTrack

Expert Automotive Repair & Diesel Specialist

We bring your vehicle’s stability and performance back to life. With years of trusted experience, we specialize in suspension repair, alignment, and automotive diagnostics to keep your ride smooth and secure—whether it’s for daily driving, off-road use, or long-distance reliability.
Our team brings decades of combined experience in automotive repair, diesel engines, and transmission systems.

Customized Solutions

We don’t believe in one-size-fits-all. Every repair or service is tailored to your vehicle’s needs, ensuring optimal performance and longevity.

Full-Service Provider

We provide complete services: diagnostics, repair, maintenance, and replacements for engines, transmissions, and diesel systems.

Attention To Detail

Our work is performed with exceptional attention to detail, using high-quality parts and the latest technology to ensure your vehicle operates at its best.

Why Choose Us

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Diesel Diagnostics & Engine Troubleshooting

We use advanced scan tools to quickly pinpoint diesel engine issues for faster, accurate repairs.

What We Offer

Our Diesel Repair Experts

We’re not just mechanics — we’re your local diesel repair specialists. Whether you're searching for a “diesel mechanic near me” or need urgent diesel truck repair, we’ve got the tools, training, and team to get you back on the road fast. At G&D Automotive, we handle everything from diagnostics to full engine rebuilds, specializing in heavy-duty diesel repairs, fleet maintenance, and performance upgrades.

Diesel Truck Repair & Maintenance

Certified diesel mechanics for all heavy-duty and light-duty diesel trucks. Fast, reliable service.

Diesel Exhaust, DPF & Emissions Repair

Resolve DPF clogs, DEF issues, and exhaust sensor failures with expert emission-compliant solutions.

Diesel Engine Rebuilds & Overhauls

From minor repairs to full engine rebuilds, we ensure performance, durability, and fuel efficiency.

Same-Day Diesel Service Available

Need quick service? We offer same-day diesel maintenance, oil changes, and filter replacements.

Turbo, Injectors & Fuel System Services

Restore your power with injector cleaning, turbo repair, and fuel delivery system diagnostics.

Services Offered

  • Alignments
  • Air Conditioning Repair and Service
  • Brakes
  • Clutches
  • Cooling System Repair and Maintenance
  • CV Axles
  • Diagnostic Services
  • Electrical (Alternators, Batteries, Starters)
  • Engines
  • Exhaust
  • Fuel Injection Service and Repair
  • Oil Changes
  • Steering
  • Suspension
  • Shocks and Struts
  • Timing Belt Replacement
  • Transmission Service and Repair
  • Tune Ups
  • 30K, 60K, 90K, 120k Services

Decades of Combined Industry Experience

About Us

Why Choose G & D Automotive

We deliver top-notch automotive solutions tailored to your needs. Our experienced team specializes in everything from diesel engine repairs to transmission overhauls, focusing on precision craftsmanship and cutting-edge technology. We use only the highest-quality parts to ensure long-lasting results for every vehicle we service. Committed to customer satisfaction, we work with you every step of the way. Choose G & D Automotivefor reliable repairs that keep your vehicle running at its best!

Residential & Commercial Expertise

Expert Team

Complete Satisfaction

Premium Quality Parts and Service

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Power Your Drive With Trusted Diesel Repairs. Reliable diesel mechanic services that restore power, boost performance, and keep your truck running strong.

5 Stars Google Rated

33+Years of Combined Experience

1500+

Finished Projects

24,000-mile warranty

Schedule A Consultation

Meet The Team

At G & D Automotive, our success is driven by the dedication and expertise of our exceptional team. Our commitment to excellence goes beyond just vehicle repairs; it’s about the talented professionals who bring your automotive needs to life. More than a team, we are a family united by a shared passion for delivering top-quality repairs and ensuring a smooth, reliable driving experience. We invite you to meet the members of the G & D Automotive family, who will work tirelessly to keep your vehicle running at its best.

Expert Automotive Services You Can Trust

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Let Us Do The Work

Consultation

LET US KEEP YOUR VEHICLE IN TOP CONDITION

At G & D Automotive, we believe that exceptional vehicle care begins with expert diagnostics and personalized service. We offer a range of services tailored to your vehicle’s unique needs, from routine maintenance and repairs to complex engine and transmission work.

Maintenance & Upgrades

Diagnostic & Repair Services

Final Inspection & Performance Check

Our Work Process

Our expertise and attention to detail ensure your vehicle stays in optimal condition, providing you with a smooth and reliable driving experience. Trust us to keep your car or truck performing at its best. Contact us today to schedule your appointment!

Contact Us
HomeTrack

Investing in quality automotive repairs is essential for the longevity and performance of your vehicle.

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What makes G&D Automotive a top diesel mechanic near me?

We’re 5-star rated, known for accurate diagnostics, honest work, and decades of combined diesel expertise.

How do I schedule a diesel service?

Call Us or use our contact form. It’s quick, easy, and our certified team will handle the rest.

Do you offer diesel engine repairs along with transmission services?

Yes! Our certified mechanics have years of hands-on experience with suspension and complete automotive systems.

Are your mechanics certified?

Yes, we’re certified in diesel engine diagnostics, repairs, and performance upgrades.

Do you provide complete vehicle inspections before repair?

Yes, we offer full diagnostics to ensure you’re only paying for what’s necessary — no hidden surprises.

Get Every Single Answer From Here

What diesel engine brands do you service?

We handle all major brands including Cummins, Duramax, and Power Stroke—both domestic and commercial.

Can I get same-day diesel repair service?

In most cases, yes. We offer fast diagnostics and prioritize urgent diesel repairs. Book your slot online today!

Do you provide fleet diesel maintenance?

Absolutely. We work with commercial fleets to provide ongoing diesel service, inspection, and repair plans.

What types of diesel issues do you fix?

We fix injectors, fuel pumps, turbochargers, glow plugs, cooling systems, and more—backed by certified technicians.

How much does diesel repair cost?

It depends on the issue, but we always provide transparent pricing and a 100% free estimate upfront.

Do diesel services come with a warranty?

Yes! Most of our diesel repairs include a 2-year / 24,000-mile warranty for your confidence and peace of mind.

Have A Question?

How Can We Assist You?

When you choose G & D Automotive, you can trust that we use only the highest quality parts and equipment to ensure your vehicle is as reliable as it is powerful. We focus on every detail of each repair or service, employing a precise approach to guarantee exceptional workmanship. You can have confidence that your vehicle will be expertly cared for from start to finish.

For more information about our services or to schedule an appointment, contact our team today.

Contact G & D Automotive

Contact

(503)-389-0096

5405 SE Alexander St. Suite H Hillsboro, OR 97123

service@ganddautomotive.com

Services

  • Alignments
  • Brakes
  • Oil Changes
  • Steering
  • Suspension
  • Diagnostic Services

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(503)-389-0096