US Auto Parts | 8,347 followers on LinkedIn. US Auto Parts is now CarParts.com. Please click "Visit Website" for the new page. | Regardless of your experience level with cars, we believe that getting the right parts for yours should be easy, so you can reinvest your time and energy in the journey ahead. Which is why at CarParts.com, we put the customer experience first. With a simple and convenient online platform, we have transformed the way drivers shop for parts in today’s digital world.