Cowl cover device

A cowl cover includes a cover body covering a cowl part between a windshield and a vehicle body member, a locking claw protruding from a back face side of the cover body and having a claw on a first side surface of the locking claw, and an insertion portion provided along the locking claw on a second surface of the locking claw opposite from the first side surface. An engagement member is attached to an edge of the windshield and has an engagement receiver for the locking claw and a part of the insertion portion to be inserted. The engagement receiver includes a first edge to be engaged with the claw of the locking claw inserted into the engagement receiver, and a second edge facing the first edge and to be in contact with the part of the insertion portion inserted into the engagement receiver.