45+ Years of Excellence

Superior Diesel, Inc.

DeKalb County’s trusted source for heavy-duty truck parts and diesel repair. For over 45 years, we’ve supported owner-operators, fleets, and repair shops with truck, trailer, suspension, and engine parts, along with expert service for semi-trucks, trailers, and diesel engines.

With two locations and access to major supplier networks, Superior Diesel helps keep trucks moving across DeKalb County and the Midwest.

Get a Quote
Call Now

Our services

From routine maintenance to complex repairs, we keep your fleet running smoothly.

Semi Truck Repair

Our certified truck mechanics provide complete diagnostics and repair for all makes and models. DOT inspections, electrical systems, and heavy-duty maintenance.

OEM & Aftermarket Parts

Huge inventory of quality OEM and aftermarket parts. Quick sourcing for any part you need at competitive prices.

Engine Repair

Full-service Cummins engine dealer for ISB, ISC, & ISL engines. Expert diagnostics and complete overhauls.

Trailer Repair

Comprehensive trailer services including brake systems, air ride, refrigeration units, and structural repairs.

Mobile Service Across the Midwest

Superior Diesel, Inc., Mobile Service is recognized throughout DeKalb County, the Midwest and beyond for providing exceptional quality work at reasonable prices. Our mobile truck mechanics bring expert service directly to you. Our fully stocked Mobile Service Trucks are "rolling garages" that can be quickly deployed to meet your needs.

Whether for emergency breakdowns, roadside repair, preventive maintenance inspections, or DOT inspections and scheduled onsite repairs—our highly skilled truck mechanics and technicians are ready and at your service throughout DeKalb County!

Fuel Issues

Jump Starts

Brake Systems

Diagnostics

Drive Train

DOT Inspections

Committed!

DeKalb County's Most Trusted Diesel Truck Mechanics

Superior Diesel has 40 years of experience as a leading truck mechanic shop in DeKalb County and is one of the best diesel auto repair shops in the area. We're located in the far west suburbs of Chicago, serving from two locations: Waterman, IL and DeKalb, IL

We specialize in semi truck repair, trailer repair, semi truck engine repair, clutch and brake service, and other truck maintenance services. Our qualified service technicians are happy to answer any of your questions and ensure your repair is done correctly and promptly.

0 +

Years Experience

0 K

Trucks Serviced

0

Locations

Clients Love

Testimonial

Our Locations

Visit one of our two convenient locations or give us a call. We're here to help!

DeKalb Location

197 Harvestore Dr., Suite 1 DeKalb, Illinois 60115

Waterman Location

350 W. Lincoln Hwy Waterman, Illinois 60556

Ready to Experience Superior Service?

Let us show you why we've been DeKalb's trusted diesel repair experts for over 40 years. Call today or schedule your service online.

(815) 748-0754
Schedule Service