
Since 1950 the Diesel USA Group of companies has been in the diesel service and parts distribution industry. With current operations at six locations, our OEM diesel parts distribution, maintenance and repair capabilities service most of the United States. We service products for most diesel applications including charge-air coolers, turbos, fuel injection systems, electrical components, performance products and engine controls.
Our companies know that your diesel powered application is a significant investment, and that deciding whom to entrust its service to is extremely important. Whether you need service for your consumer diesel vehicle, RV, SUV, construction, marine, or industrial machine rated in thousands of horsepower, the Diesel USA Group of companies provides our customers with the quality and service you expect for your diesel application.

When you need critical engine components, you need the best products from the best source. Using OEM parts is a wise choice, but you don't have to get them from a Vehicle OEM dealer. Name brand products that make your truck's engine perform best can usually be obtained for less from the "Component OEM Distributor." That's Who We Are!
Bosch 100% New Long Haul Alternators for medium and heavy duty vehicles have been specifically engineered, employing state-of-the-art technology. The New Long Hauls are built to outlast conventional OE replacement units, and deliver superior performance and reliability "Over the Long Haul."