The auto parts industry is a large and diverse sector of the automotive industry that produces and distributes parts and components for cars, trucks, and other motor vehicles. It includes a wide range of products, from engine components and brakes to interior trim and exterior body parts. The industry is highly competitive, with many companies competing for market share. The industry is also highly regulated, with government agencies setting standards for safety and quality. The auto parts industry is a major contributor to the global economy, with many countries relying on it for jobs and economic growth.