This report discusses the US demand in the medium-duty and heavy-duty truck aftermarket for the years 2006 and 2011, with forecasts for 2016. Topics covered include industry trends, product and performer segmentation, foreign trade and international issues, legislative and regulatory environment, technology and material trends, market environment, product and performer forecasts, industry composition, and leading participants. Product segments include exterior and structural products, mechanical products, and electrical and electronic products. Performer segments cover outsourced and in-house service providers. This 22 page report also includes a highlights summary and a resources section.