Research Service N551-18 is a 360 overview and analysis of the North American automotive aftermarket. The research service identifies the different industry segments within the aftermarket and analyzes the different industry segments by units in operation, analyzes the major participants, and investigates the impact of social, regulatory, legislative, political, and technology changes that influence the vehicle mix, product mix, product and service pricing, promotion, technician skill and training, repair information, service location types, service location choices, and distribution and logistics. Forecasts for units and revenues are provided through to 2015.