exhaust-gas turbocharger the housing of the charger is cut in a way you can see compression wheel, turbine wheel and bearings the two sides are marked by colours: compression side – blue, turbine side – red all parts can be easily moved description ordernumber 1004 see also: Demand-driven oil pump with suction stage (V8) rotor pump, PC two-stage turbocharger (bi-turbo) SCR catalytic converter with AdBlue injection