POWER CONVERSION UNIT

The power conversion unit of the vehicle includes a power converter, a wire harness electrically connected to the power converter, a housing that houses the power converter and the wire harness, and a lid that covers an opening of the housing. The housing has a rib that is a part of the side wall portion thereof and protrudes to the inside of the housing and extends toward the lid, and forms a recessed portion that opens toward the lid with a part of the side wall portion. The rib and the lid define a holding portion of the wire harness.