Cummins Injector Fuel Supply Tube in used but fully functional condition! Part Number: 3944688 Please double check the part numbers for fitment and refer to photos. If for any reason you are not completely satisfied with your part please let us know and we will do all we can to help.

As a used part, know that we have inspected it for any malfunctions or signs of future durability issues, we care about our customers and providing the parts they need. Rest assured, as we only sell OEM or OEM+ parts meeting or exceeding equipment standards, it is sure to last. Why we choose a used Cummins part over an aftermarket new part: Cummins is a leading global manufacturer of diesel engines and power generation systems, as well as a provider of related technologies and services. They have a worldwide reputation due to their durability and reliability. Cummins products and services are used by a wide range of customers around the world. Count on Cummins.

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