Aren’t the Duramax (left) and 5.9L Cummins common-rail (right) injectors from Bosch similar looking? ... Of course, the bottom of the injector bodies are different (the Cummins unit is thicker).

Common Rail Direct Injection is a very effective technology for diesel engines as it leads to better fuel efficiency, ... (EDC) unit. Let us have a look at other insights below: 1.