important part in the car

> Carburetor or fuel injection

 
> Fuel pump

> Engine configuration: Wankel or piston engine (V, inline, flat).

 > An electronic control unit

 > exhaust system

 > ignition system

 >  self starter

 > Controls emissions

 > Turbocharger and supercharger

 > front engine

 > rear engine

 > central engine

 > radiator