6.7L Cummins Injectors and Fuel Lines – Fuel Rail Supply Line (High Pressure) – Clean and Inspect for Reuse

Inspect the high-pressure fuel rail supply line ferrules for any sign of burrs, or foreign material, rounding, or
cracking. Replace if necessary.
Check for cracks, wear, or pinched areas. Replace if necessary.
Inspect the ends of the high-pressure lines for damaged sealing surfaces. Replace any other damaged component.