Mounting structure of air bag module for vehicle front passenger seat

A mounting structure of an air bag module for a vehicle, the vehicle having a driver's seat and a front passenger seat, the vehicle having a width, the mounting structure comprising a pillar-to-pillar member extending substantially across the full width of the vehicle in an instrument panel, wherein the pillar-to-pillar member includes a pair of divided pieces which are interrupted only at a position in front of the front passenger seat, the pillar-to-pillar member further including an intermediate module mount which is arranged between and connected to the respective divided pieces, the module mount having an upwardly open recess for fixedly receiving a bottom portion of the air bag module.