At a glance 1 Fan 2 Coolant pump 3 Charge-air pressure pipe (with flame- start system*) from charge-air cooler 4 Charge-air pressure pipe to charge-air cooler 5 Oil filler neck 6 Exhaust gas turbocharger 7 Crankcase ventilation system oil trap 8 Exhaust pipe (with engine brake throt- tle valve*) 9 Oil filter a Fuel filter b Starter motor c Dipstick 1 13 OM 501 LA overview