Seals gaps around the perimeter of the tailgate. Prevents dust, rain and snow from entering through the tailgate. The tailgate does not tightly seal without Access TrailSeal.
ACCESS Total Bed Seal Kit; 07-18 Chevy/GMC 1500/19 LD/Limited; 07-19 Chevy/GMC 2500/3500 boxes (excludes 07 Classic)
ACCESS Total Bed Seal Kit; 07-ON New Body Chevy/GMC