UENR4490-01 7 General Information Illustration 3 g03404515 Typical example (20) Back pressure valve (21) High-pressure turbocharger (22) Low-pressure turbocharger (23) Alternator (24) Refrigerant compressor (25) Starter solenoid (26) Starting motor (27) Starter relay (28) Oil drain tap (29) Flywheel (30) Flywheel housing (31) Exhaust gas cooler (NRS) (32) Rear lifting eye