Engine Diagrams C8.3 Industrial Page E-10 Section E - Engine System Identification Industrial Applications Front View - C8.3 - Industrial 1 Engine air inlet 2 Fan pulley 3 Fuel pump drive cover 4 Front gear cover 5 Drive belt 6 Lubricating oil pan drain plug 7 Vibration damper 8 Fan belt tensioner 9 Water pump 10 Alternator 11 Turbocharger air outlet 12 Turbocharger air inlet 13 Engine oil fill.