NAPA Auto Parts is part of the nationally known auto parts chain, serving do-it-yourselfers, as well as professional auto repair technicians. The store on Jeffco Boulevard carries thousands of parts and accessories, and the employees are knowledgeable and friendly. NAPA Auto Parts also has a helpful website that not only links to the company's extensive catalog, but gives expert advice and step-by-step directions on routine chores, such as changing the oil or wiper blades.