Genuine Turbochargers & Diesel Parts

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Our specialized knowledge, leadership, and experience all began over six decades ago and still guides our group of companies today. That is why we continue to outperform all other sources for the critical diesel engine components and turbochargers you need. No other source has our network of inventory for rapid support, our local technical support to perform problem solving failure analysis, our repair ability for the very oldest to latest high-tech products, or our skills to provide superior designed products as a solution to lowering your costs.

Diesel USA Group, Genuine Products and Parts

Who We Are

In 1950, Diesel Injection Service Co., Inc. began offering superior original equipment diesel parts and services. Today, the Diesel USA Group continues this proud heritage by offering the same quality OEM brand name parts and components for most all makes diesel applications and turbochargers.

When you need critical diesel engine components, you need the best products from the best source. Using OEM parts is a wise choice, but you don't have to pay more to get them from a Vehicle OEM dealer. The name brand products that make your diesel's engine perform best can usually be obtained for less from the "Component OEM Distributor," and that's Who We Are! We provide products for most diesel applications including charge-air coolers, turbochargers, fuel injection systems, electrical components and filtration/additives.

Our Products


Our Brands

  • Av-Tekk Charge-Air Coolers
  • Grizzly Diesel Products
  • Quick Check
  • DPF Choice Program