Motor unit

A motor unit comprising:

• a housing;
• a stator core that is an annular body, the stator core being housed in the housing and extending along an axial direction;
• and
• a first connection member provided between a first end surface that is positioned at one end of the stator core in the axial direction and a first surface of the housing that faces the first end surface, wherein:
• the housing includes a first housing flow passage that has a first housing opening on the first surface, the first housing flow passage being a flow passage for a refrigerant;
• the stator core includes a stator flow passage that extends from a first stator opening on the first end surface, to a second stator opening on a second end surface that is positioned at the other end of the stator core in the axial direction;
• and
• the first connection member includes a first connection flow passage that provides communication between the first housing opening of the first housing flow passage and the first stator opening of the stator flow passage.