(559) 285-7066
Fresno's Trusted Diesel Specialists

Got a Diesel That Needs Real Attention?

From routine maintenance to heavy-duty engine repairs, The Diesel Guys bring honest workmanship and genuine care to every job — so you can get back on the road with confidence.

Call Now Our Services
Mechanic working on a diesel engine in a well-equipped garage

Expert Diesel Repair in Fresno

Serving Central Valley drivers with honest, reliable service since day one.

ASE-Certified
Trusted expertise
Same-Day
Service available
100%
Satisfaction rate
What We Do

Comprehensive Diesel Service You Can Count On

Whether it's a quick tune-up or a major overhaul, we've got the tools, knowledge, and dedication to handle it right the first time.

Engine Diagnostics & Repair

Advanced diagnostic tools pinpoint issues fast — from fuel systems and turbos to complete engine rebuilds. We speak diesel.

Preventive Maintenance

Oil changes, filter replacements, fluid checks, and scheduled inspections that keep your diesel running smooth and avoid costly breakdowns.

Brake & Suspension

Heavy-duty braking systems and suspension work for trucks and diesels that carry real weight — safety first, every trip.

Check Engine & Electrical

That warning light doesn't have to be a mystery. We read codes, trace wiring, and fix electrical gremlins before they strand you.

Fuel System Service

Injectors, pumps, filters, and lines — we handle the fuel system that makes your diesel produce power reliably mile after mile.

Transmission & Drivetrain

From fluid flushes to complete rebuilds, we keep power where it belongs — going to the wheels that move your business forward.

Why The Diesel Guys

Not Just Mechanics — Your Neighbors Who Care

We're not a chain shop. We're a local team that treats your vehicle like it's our own, because we know how much your diesel means to you.

Honest, Straight-Talk Service

No upselling, no vague estimates. We tell you what your diesel actually needs — and what can wait. You'll always know before we start.

Built for Heavy-Duty Work

We specialize in diesels — Cummins, Duramax, Power Stroke, and more. This isn't a side gig for us; it's what we do best, every single day.

Fast Turnaround, Every Time

We know downtime costs money. That's why we work efficiently and communicate clearly so your truck is back on the road as soon as possible.

Right Here in Fresno

Located on S Taylor Ave, we're a convenient stop for Central Valley drivers. Walk in, call, or schedule — we're always ready to help.

Customer Stories

What Our Customers Say

Don't just take our word for it — hear from the drivers who trust us with their diesel every day.

"Brought my 2015 Cummins in with a check engine light that had me worried. The Diesel Guys figured it out in under an hour and had it running perfectly. Fair price, no nonsense — that's rare to find."
MR
Marcus R.
Fresno, CA
"I've been bringing my work truck here for two years now. They never try to sell me things I don't need, and they always get it done right. It's a relief to have a shop you can actually trust."
JT
Jennifer T.
Clovis, CA
"My Duramax was losing power and the dealer wanted a fortune. The Diesel Guys diagnosed the turbo issue quickly and fixed it for way less. These guys are the real deal — highly recommend to anyone in the Valley."
DL
David L.
Fresno, CA

Ready to Get Your Diesel Running Right?

Give us a call or stop by the shop — we'll figure out what your truck needs and get it done without the hassle.

Call (559) 285-7066 Send a Message
2320 S Taylor Ave, Fresno 93706
Mon–Fri: 8AM–5PM
dieselguys559@gmail.com
Get in Touch

We're Here When You Need Us

Have a question or need to schedule service? Reach out however is easiest for you — we respond quickly and always give you a straight answer.

Our Location 2320 S Taylor Ave, Fresno 93706-4526
Phone (559) 285-7066
Email dieselguys559@gmail.com
Hours Monday – Friday: 8:00 AM – 5:00 PM
Saturday – Sunday: Closed

Send Us a Message

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Thanks for reaching out. We'll get back to you as soon as we can — usually within a few hours.

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