A trailer coupling for vehicles comprises a coupling arm with a coupling head arranged at a free end of the coupling arm for coupling a trailer to a vehicle. An opposite end of the coupling arm is attachable to a mounting structure, which mounting structur...

The invention relates to a heat exchanger unit for an exhaust gas system. The heat exchanger unit comprises an inlet for a fluid flow to enter the heat exchanger unit and an outlet for a fluid flow to exit the heat exchanger unit. The heat exchanger unit c...