6.7 Cummins Fuel System Diagram: Component & Repair Guide 2026
The 6.7 Cummins fuel system diagram typically illustrates the path from the fuel tank through the lift pump, fuel filters (primary and secondary, often including a fuel bowl), high-pressure fuel pump (HPFP), common rail, fuel injectors, and the fuel return line back to the tank. It highlights the high-pressure and low-pressure circuits. 📌 Key Takeaways…
