U.S. Auto Parts Network puts its customers in the fast lane. The company offers about 2 million aftermarket auto parts for all makes and models of domestic and foreign cars and trucks. Its inventory includes replacement, performance, body, and engine parts, as well as accessories (such as seat covers, alarms). U.S. Auto Parts also sells products for motorcycles, all-terrain vehicles, and RVs. The company generates the bulk of its revenue online; a pair of stores and mail-order catalogs also bring in sales. The company ships parts to more than 160 countries. It also distributes a private-label line of mirrors to auto parts stores nationwide and runs a wholesale program for body shops in Southern California.