This invention relates to a suction chamber (10) for a working medium pump used to pump working medium stored in a working medium container of a motor vehicle. The suction chamber includes a housing (20) with at least two inlet openings (31, 32) for allowing the working medium to enter a connector (60) formed on the upper side of the housing (20). A steering wall (51, 52) is provided in the housing (20) between each inlet opening (31, 32) and the connector (60). Side recesses (81, 82) are formed inside the inlet openings (31, 32). The invention also relates to a suction jet pump or working medium pump comprising at least one such suction chamber (10).