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Many major OEM's trace their heritage to the design concepts and engineering rigor of Ambac. Today, their engineering team continues to work with leading companies in industries as diverse as aviation and heavy duty military vehicles. Ambac International Diesel USA's complete all makes product offering allows us to service everything from passenger cars and commercial vehicles, to industrial, locomotive and marine applications.

About Ambac

Ambac has been a global supplier of diesel fuel systems and related components since 1910, making them one of the oldest and most experienced companies in our industry. They primarily supply diesel fuel systems, electric governors, and advanced components. Ambac products are used in transportation, agriculture, aviation, defense, power generation, and more. Wherever you find high quality and heavy-duty diesel engine technologies – you’ll find Ambac.

Fuel Injection Systems are the heart of your engine and they are complex to design, manufacture, and to remanufacture. Ambac's development team focuses on supplying new and remanufactured components to engine OEM’s, remanufacturers, and to a global network of service dealers. Ambac is a full service, ISO 9001:2015 OE manufacturer based in Columbia South Carolina. AMBAC provides over 100 years of expertise related to fuel injection systems.

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Better Service

From Start to Finish

A unique characteristic of the Diesel USA Group is our ability to respond with rapid customized service support, offering you the flexibility found in small companies with the broad parts and technical knowledge resources typically found in larger companies. With the needs of customers constantly changing, the Diesel USA Group proudly stands behind our service.

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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.