Parts Distribution, Customer Service

Our specialized knowledge, leadership, and experience all began over six decades ago and still guides our group of companies today.

Diesel Injection Service Co., Inc.

The Diesel USA Group of companies provides one of the largest genuine OE diesel parts distribution entities in the nation. Being part of a major distribution down line for many major OEM manufacturers allows our group to offer a wide selection of products for most all makes of diesel applications.

Diesel USA offers nationwide delivery on many of the products we stock and order, whether it's for a small town repair shop or a coast to coast heavy duty truck service provider. Our products include charge-air systems (turbos, charge-air coolers, egr coolers), fuel injection systems (parts, pumps, nozzles, injectors, exchange units and test equipment/tools), electrical products (alternators, starters, voltage regulators), filtration products and fuel additives to engine controls (governors, engine brakes).

Contacting Diesel Injection Service Co., Inc.

General product and service related questions may be directed to -

Our business customers can buy their parts online through our dealer portal

Contact information:
4724 Allmond Avenue
Louisville, KY 40209
Office Hours: Mon.-Fri. 8:30am-5:30pm

Top Services

Diesel USA Group
Our technical support is what helps make our group of companies great. If you have any questions, part or service related, just fill out the contact form and we'll be in touch.
It's Who We Are, and What We Do.
Our group represents the largest distribution entity for turbochargers in North America. We also supply diesel parts and services that help keep our customers up and running.