O'Reilly Auto Parts store #4310 on Academy Avenue in Portsmouth is described as a great auto parts store. Reviews highlight very professional staff who are always willing to help and go the extra mile. Customers report always good customer service, with employees who go above and beyond to support them, solve part problems, and even show care for personal well-being. The store seems to always have what is needed, and when an item was not in stock, it was available the next day. Customers appreciate services like free battery testing, battery and windshield wiper installation, and the keeping of purchase histories and warranties in the system. Staff members are noted as fine, professional representatives and top of the line in their aptitude, providing efficient service and helpful product recommendations. The experience leaves customers definitely planning to return.