Marion County's Diesel Specialists

Good morning — let's get your diesel running like it should.

From routine maintenance to serious engine work, we bring honest diagnostics and old-fashioned craftsmanship to every truck and diesel that rolls into our shop.

Call (304) 694-2511 Our Services

20+

Years Experience

100%

Satisfaction

Local

Marion County

Diesel mechanic working under the hood of a truck in Marion County

What We Do

Complete diesel repair and maintenance, done right the first time.

Whether your diesel is struggling to start, leaking fluid, or just due for its next service — we've got the expertise to get it back on the road safely.

Engine Diagnostics & Repair

Advanced diagnostic tools and experienced hands to pinpoint and fix engine problems — from check-engine lights to complete overhauls.

Scheduled Maintenance

Oil changes, filter replacements, fluid checks, and scheduled servicing to keep your diesel running smoothly mile after mile.

Brake & Suspension

Complete brake inspections, pad and rotor service, and suspension work to keep your truck stopping and handling safely.

Fuel System Service

Fuel injector testing, cleaning, and replacement. We handle high-pressure diesel fuel systems with precision and care.

Transmission & Drivetrain

Transmission diagnostics, fluid services, and drivetrain repairs to keep power getting to your wheels where it belongs.

Emergency & Roadside

Breakdown? Give us a call. We offer prompt emergency diagnostics and on-site assistance for Marion County diesel owners.

Interior of Diesel Performance auto repair shop in Marion County

About Us

Built on trust, powered by experience.

At Diesel Performance, we believe every diesel owner in Marion County deserves a shop they can rely on — one that treats your truck with the same care they'd give their own.

For over two decades, our team has been the go-to destination for honest diagnostics, fair pricing, and quality repairs. We don't cut corners, and we don't upsell services you don't need. When you bring your diesel to us, you're getting straightforward answers and work that stands the test of time.

Certified Technicians
Transparent Pricing
All Makes & Models
Local & Trusted

Testimonials

What our customers say

"Brought my 6.7 Power Stroke in with a serious performance issue. Diesel Performance diagnosed it fast, explained everything clearly, and had me back on the road the same day. Honest folks — won't go anywhere else."

M.R.
M. Roberts

Marion County

"Finally found a shop that actually knows diesels inside and out. They took the time to walk me through what was wrong and what wasn't — no pressure, no surprises on the bill. That's rare these days."

T.H.
T. Harrison

Local Customer

"My Cummins has been running tough for years, and these guys treat it right. Fair prices, quality work, and they always call when they say they will. That means everything to me."

Get in Touch

Ready to get your diesel back on the road?

Give us a call or stop by the shop — we'll get you scheduled and running smooth in no time.

(304) 694-2511 Send a Message

Contact Us

Visit us at the shop

We're conveniently located on Jakes Run Road in Marion County. Stop by during business hours or give us a call — we're always happy to help.

Address

3429 Jakes Run Rd
Marion County, 26588

Send us a message

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