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Diesel Mechanic in Logan, UT

Diesel repair for pickups and trucks in Logan, from glow plugs and turbos to DPF/EGR and cab-off work on Cummins, Power Stroke and Duramax engines, backed by a 12-month / 12,000-mile warranty*.

Book an Appointment Call 435-485-9946

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4.8 ★ · 227 Google reviews

601 N Main St, Logan, UT 84321 · Get Directions

Mon-Fri 8:00am-5:30pm | Sat Closed | Sun Closed ·

Waiting room
Free Wi-Fi
Walk-ins welcome
Online booking

12-month / 12,000-mile warranty* on parts & labor

Honored at every Master AutoTech location · Serving Utah and Idaho since 1963

*Exclusions apply. Ask your service advisor for full warranty terms.

Diesel Mechanic at Master AutoTech Logan in Logan, UT

ASE Certified Technicians
Best of State Utah
Top Workplaces
Family Owned Since 1963

Master AutoTech Logan services diesel pickups and trucks for drivers across Logan, North Logan and Providence, from glow plugs and turbos to DPF and EGR repairs. We work on all diesel vehicles except semi trucks, and diesel repairs are backed by our 12-month / 12,000-mile warranty*.

Diesel pickups and trucks from across Logan, North Logan, Providence, Smithfield and Hyde Park can reach our shop easily: we’re on North Main Street at 600 North, a short drive from US-89/91.

Diesel Services We Offer

Glow plugs & hard starting

Glow plugs tested and replaced so your diesel starts on cold Utah mornings.

Turbocharger repair

Boost leaks, worn turbos and actuator problems diagnosed and repaired.

DPF & EGR service

DPF and EGR diagnosis, cleaning and repair to keep your truck running clean.

Cab-off repairs

Major engine work that needs the cab lifted off, done in our shop.

Diesel diagnostics

Check engine lights, power loss and warning messages traced to the cause.

Diesel maintenance

Oil and filter service and the routine care that keeps a diesel on the road.

Engines We Service

Cummins

Ram heavy-duty pickups with Cummins diesel engines.

Power Stroke

Ford Super Duty pickups with Power Stroke diesel engines.

Duramax

Chevrolet Silverado HD and GMC Sierra HD with Duramax diesel engines.

We work on all diesel vehicles except semi trucks.

Why Choose Master AutoTech Logan for Diesel

ASE-certified technicians

Every technician earns ASE certification within 90 days of joining the team.

Big jobs in-house

From glow plugs to cab-off repairs, without sending your truck elsewhere.

Upfront estimates

Competitive pricing, and you approve the estimate before any work starts.

Your truck back to work

We know a truck off the road costs you money, and we give you a timeline up front.

What Diesel Repair Costs in Logan

Diesel repair cost depends on the engine, the parts and how much labor the job takes. We diagnose first, explain what’s driving the price and give you an estimate before any work starts.

Need to spread out the cost? Master AutoTech offers several financing options, including the Goodyear Credit Card (6-month special financing on purchases of $250 or more), the Synchrony Car Care credit card, the 1stMILE Mastercard, Snap Finance, Acima, Surepay and RC Willey financing.

What Logan Drivers Say

4.8 ★ · 227 Google reviews

“I had a great experience. They were very quick and friendly. They were able to repair my damaged muffler same day and for a great price. Even fixed some of the plastic guards underneath my car that were hanging loose.”

Connor Ross

“Needed a muffler installed they did an excellent job! The price was very reasonable as well, very happy!”

Vedder Song

“I’m in the middle of a tricky rebuild on a classic and needed some very precise exhaust parts bent. I made templates but even still wasn’t 100% sure they would work. Jeremy did an exceptional job bending the parts as close to my templates as possible. After fitting them back at my shop I found that some adjustments were needed (not his fault). This happened a few times as I refined the fit. Each time Jeremy very patiently helped me out until I got the fit I needed. I definitely will be back and will recommend this shop to others.”

Jeremy Jenkins

About Master AutoTech Logan

We’re a family-owned shop that treats every vehicle like it belongs to a neighbor. Master AutoTech started as Master Muffler in 1963 and grew into Utah’s largest auto repair franchise. Every technician here earns ASE certification within 90 days of joining the team.

You’ll find us on North Main Street at 600 North, a few blocks north of downtown Logan and the Logan Library. Look for our red Master AutoTech tower on Main Street and pull into our lot.

Wait in our waiting room with free Wi-Fi, or step out while we work: Salad Spot, Romo’s and Café Zupas are a short walk away. We take care of drivers from Logan, North Logan, Providence, Smithfield and Hyde Park every day.

Free app · iPhone & Android

Download the Master AutoTech app and earn rewards

Rewards & offersOffers and rewards land right in the app, not in a drawer full of coupons.
Check-engine alertsSee the actual codes your car is throwing and message the shop about them.
Maintenance trackingKnow what’s due and what’s overdue, with a weekly report on your vehicle.
Glove BoxKeep registration, insurance and service records in one place.

How to get rewards: download the free app and your offers and rewards land right in it, ready to use at your next visit. Open the app before your visit to see what’s waiting for you. Book a Master Oil Change and get a free Master Link that connects your car to the app.