Operation and maintenance manual

QSB4.5 and QSB6.7 Engine Diagrams
Section E - Engine and System Identification Page E-11
Engine Diagrams
Engine Views
QSB 4.5 Engine - Left Side View
1 Fuel rail pressure sensor
2 Intake manifold pressure/temperature sensor
3 Air compressor coolant pipes
4 Air compressor
5 Ambient air pressure sensor
6 Bosch™ fuel pump
7 Flywheel housing
8 Fuel return
9 Fuel inlet
10 Fuel filter
11 Oil pan drain plug
12 Dipstick/oil level sensor
13 Electronic control module
14 Air intake inlet
15 Coolant outlet
16 Fuel rail pressure relief valve
17 Fuel rail.