NOTICE: Superior Diesel, INC. in Waterman and Dekalb are OPEN for regular business hours. We are taking extra precautionary measures to limit any possible spread of COVID-19 with social distancing and strict cleaning measures.

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Whether you're looking for repairs to your engine, trailer, or truck, or you're looking for a specific part contact Superior Diesel today!

197 Harvestore Dr., Suite 1

DeKalb, Illinois 60115

Phone: 815-748-0754

Fax: 815-748-0755


350 W. Lincoln Hwy

Waterman, Illinois 60556

Phone: 815-264-3581

Fax: 815-264-7812