In the performance parts industry, people tend to use the words parts and accessories interchangeably, while others see a difference. So whats the difference, for example, between truck parts and truck accessories if many of them serve the same basic function? It depends on who you ask.
Performance Parts 101
In the automotive industry, the term performance parts is used for a variety of car and truck parts or accessories, that are designed to enhance a vehicles performance. The term is generally tied to the aftermarket industry which makes sense considering that car or truck enhancement parts or accessories are typically purchased after the original purchase. This is not to say that O.E.M. manufacturers wont create performance parts, because they often do.