The fuel injection system on a diesel is home to the most complex components in your diesel engine. Improper parts, maintenance, and care of your fuel injection system can cause complete failure! Here at Columbus Diesel Supply we offer more than parts, we offer our deep knowledge base and expertise to help get your diesel back up and running at optimum efficiency. See more on the brands we have to offer below.

Aliiant Power aggressively serves the out of warranty customer by providing high quality products in the field. They help keep original equipment products as the preferred service part so vehicles and equipment continue to perform like new and provide end users with greater ownership satisfaction.

Formerly American Bosch, Ambac International Corporation has been manufacturing and supplying Diesel Fuel Injection Systems for heavy duty commercial and military applications since 1908. Many of their original designs are still used by OEM engine manufacturers today.

Delphi is a world leader in the manufacturing and supply of diesel fuel injection systems for the worlds largest Vehicle Manufacturers. Their comprehensive range of fuel injection pumps are fitted to a variety of applications worldwide all while adhering the the highest of standards.

DENSO can guarantee the quality of the product they produce because every component that leaves their factories has been designed with precision, manufactured to the strictest OE standards and subjected to rigorous safety and performance tests. In the end, it all comes down to quality - that's what the DENSO name stands for.

Constantly driving innovation in fuel injection technology. Bosch supplied the industry's first fuel injection system with a high-pressure electric fuel pump in 1967. Ever since, Bosch has been the worldwide leader in innovative fuel injection technology and design.

In 1952, Stanadyne entered and revolutionized the Diesel Fuel Injection market with the introduction of the first rotary distributor diesel fuel injection pump. Today, Stanadyne is known around the world as a leading supplier of diesel fuel systems and components.