- Braking System
- Axle Mounting/ Steering/ Wheels
- Wheel Hub/Mounting
- Engine
- Air Supply
- Air Filter/ Housing
- Throttle Valve/Sensor
- Charging (supercharged/turbocharged)
- Engine Electrics
- Lubrication
- Air Supply
- Fuel Supply System
- Fuel Mixture Formation
- Mixture Formation
- Exhaust System
- Cooling System
- Clutch/Attachment Parts
- Transmission
- Axle Drive
- Suspension/Damping
- Steering
- Spark/Glow Ignition
- Heating/Ventilation