The bumper reinforcement bar is located behind the plastic bumper cover and is the main impact absorbing bumper component. It absorbs the energy in a collision. the bumpers on most modern vehicles are complex mechanisms, with most parts hidden from sight. The visible part is just a flexible plastic cover, which enshrouds energy absorbing material attached to a bumper reinforcement mounted to the frame rails. Impact absorbers and reinforcement bars damaged in collisions must be discarded when making repairs and you’ll find affordable, OE-spec replacements right here.