Klemp Diesel Performance & Repair is a locally owned, full-service diesel shop dedicated to keeping your truck running at its best. Our skilled team has the knowledge and expertise to accurately diagnose and service all modern light and medium-duty diesel trucks.

We provide comprehensive inspection, repair, and replacement services for both OEM systems and components, as well as aftermarket parts and performance upgrades. From routine maintenance to complex diagnostics, turbocharger installations, fuel system repairs, and driveline upgrades, no job is too big or small.

Proudly serving Fond du Lac, West Bend, Beaver Dam, Milwaukee, and the surrounding areas, Klemp Diesel combines technical expertise with personalized service to ensure every customer leaves with a reliable, high-performing vehicle.

Whether you’re looking to restore, maintain, or enhance your diesel truck, Klemp Diesel is your trusted partner for professional, dependable service.