A kit from which a plurality of parts are selected and arranged in a cargo vehicle to obtain bulkhead assembly for the cargo vehicle is provided. The assembly partitions or divides a cargo area from a driver area in the vehicle. The kit includes a reinforced composite first panel of a cellular core sandwich-type for positioning proximate a first side of and within the vehicle. The kit also includes a reinforced composite second panel of a cellular core sandwich-type. The second panel includes a first portion for positioning proximate a second side of and within the vehicle, a door portion disposed between the first panel and the first portion and a living hinge portion disposed between the first and door portions to allow the door portion of the second panel to pivot between open and closed positions to allow the driver to move between the areas in the open position of the door portion.