Motor, shock absorber, suspension assembly and vehicle

The utility model relates to a motor, a shock absorber, a suspension assembly and a vehicle, the motor comprises a shell, a stator assembly and a rotor assembly, a mounting cavity is formed in the shell, at least one of the stator assembly and the rotor assembly is provided with a heat dissipation channel, the mounting cavity is communicated with the heat dissipation channel, the heat dissipation channel is provided with a first opening, and the first opening is communicated with the mounting cavity. A second opening is formed in the shell, and a cooling medium circulates in the mounting cavity and the heat dissipation channel through the first opening and the second opening. According to the technical scheme, the motor provided by the utility model can meet the heat dissipation requirement when the motor works.