The O'Reilly Auto Parts store in Knoxville provides parts, tools, and accessories. It offers free services like battery testing, wiper blade installation, and Check Engine light testing. This location can resurface brake rotors and drums and has a free Loaner Tool program. Reviews consistently highlight great customer service and very kind, helpful, and patient employees who are eager to assist. Customers note the staff is efficient and top notch, able to help with various vehicle needs. The store has great stock and provides services like battery installation that save customers hassle. Employees are described as making the process easy, even with returns or complicated situations, contributing to a positive experience.