Description
This genuine Cummins part is the line that connects tot he brass T at the back of the block, and runs down to the fuel flex line in the frame rail.
This is part #18 in the diagram:

Screenshot
This genuine Cummins part is the line that connects tot he brass T at the back of the block, and runs down to the fuel flex line in the frame rail.
This is part #18 in the diagram:
Screenshot