Air conditioner outdoor unit and air conditioner

The utility model discloses an air conditioner outdoor unit and an air conditioner, and the air conditioner outdoor unit comprises a machine shell which defines a containing space and is provided with an air inlet part and an air outlet part; the outdoor heat exchanger is arranged in the accommodating space; the outdoor fan is arranged in the accommodating space and is used for driving air to form airflow, so that the airflow flows to the air outlet part from the air inlet part and flows through the outdoor heat exchanger; an independent installation cavity is formed between the outdoor heat exchanger and the machine shell, the installation cavity is located on the upstream portion of the outdoor heat exchanger in the airflow direction, the electric control box is arranged in the installation cavity, the electric control box of the air conditioner outdoor unit is arranged in the independent cavity on the upstream portion of the outdoor heat exchanger, and the heat dissipation effect of the electric control box is better. Better stability and longer service life are realized.