Bumper to Bumper Parts Stores and Certified Service Centers are within the network of the Aftermarket Auto Parts Alliance, one of the largest auto parts program groups in the world. With independent shareholders selling automotive products through over 140 distribution centers, 2,300 parts stores, and 3,500 certified service centers across North America, Bumper to Bumper delivers over 1.9 million quality replacement auto parts and accessories as well as value-added services to the automotive aftermarket.