Engine Diagrams R2.8 CM2220 R101B Page E-16 Section E - Engine and System Identification Engine Diagrams Engine Views Top View 1 Alternator 2 EGR cooler coolant return line 3 EGR cooler coolant supply line 4 Valve cover 5 Fuel injector 6 High-pressure fuel injector supply line 7 Fuel pressure relief valve 8 EGR tube 9 Fuel rail 10 Grid heater 11 Engine throttle actuator 12 Fuel rail pressure sensor 13 Breather 14 Engine lubricating oil fill location. To buy Cummins Parts and Service Manuals, Training Guides, or Tools go to our website at https://store.cummins.com