While DIY replacement of the CP4 injection pump and associated fuel system components is possible ... If your truck is powered by an LML Duramax or 6.7L Cummins, you could replace the CP4 pump ...
Other changes to the Cummins to meet the emission standards ... P-pump manages the cylinder pressure by injecting fuel. The P7100 injection pump keeps proper time to the engine by phasing pump ...
The Cummins QSF2.8 engine, which powers the pumps, is available at 74 hp in a compact envelope size. It uses proven Cummins fuel injection, turbocharging and electronic control technology to ...