A bidirectional bumper assembly comprises a first arm having a pivotal attachment interface associated with a vehicle box structure, and a second arm coupled to the first arm. A first bumper is associated with the first arm, the first bumper comprising a first tailgate abutment surface, and a second bumper is associated with the second arm, the second bumper comprising a second tailgate abutment surface.

A bidirectional bumper assembly comprises a first arm having a pivotal attachment interface associated with a vehicle box structure, and a second arm coupled to the first arm. A first bumper is associated with the first arm, the first bumper comprising a first tailgate abutment surface, and a second bumper is associated with the second arm, the second bumper comprising a second tailgate abutment surface.