| *1 | ECM | - | - |
| *A | Models with Catalyst Support Control | - | - |
| *1 | Exhaust Fuel Addition Injector Assembly | *2 | Exhaust Gas Temperature Sensor |
| *3 | Exhaust Manifold Converter Sub-assembly | *4 | No. 2 Exhaust Gas Temperature Sensor |
| *5 | No. 3 Exhaust Gas Temperature Sensor | *6 | Air Fuel Ratio Sensor |
| *7 | Diesel Throttle Body Assembly | *8 | Vacuum Switching Valve Assembly (For EGR System) |
| *9 | No. 2 EGR Valve Assembly | *10 | Electric EGR Control Valve Assembly |
| *11 | No. 1 EGR Cooler | *12 | Differential Pressure Sensor |