Air conditioner outdoor unit and air conditioner

The utility model discloses an air conditioner outdoor unit and an air conditioner. The air conditioner outdoor unit comprises a shell, a first external pipeline, a liquid pump, an internal heat exchanger and a second external pipeline, the first external pipeline and the second external pipeline are fixed to the side end of the shell in a penetrating mode, the liquid pump and the internal heat exchanger are arranged in the shell, and the liquid pump is located behind the internal heat exchanger. And the liquid pump and the internal heat exchanger are connected in series between the first external pipeline and the second external pipeline. According to the scheme, the structure of the air conditioner outdoor unit can be manufactured more compactly.