The O'Reilly Auto Parts store at 9659 West Grand Avenue in Franklin Park is noted for its exceptionally helpful and knowledgeable staff. Customers report that the employees are cheerful, kind, and professional, frequently going above and beyond to assist. This includes helping to find correct parts, offering reminders about potential installation difficulties, and even providing hands-on help in the parking lot to replace items like a taillight bulb. Staff members are described as eager to help, turning stressful situations like breakdowns into mere inconveniences. The store carries a wide selection of parts, tools, and accessories. It offers several valuable services such as free battery testing, wiper blade and bulb installation, fluid recycling, and Check Engine light testing. It is also one of the locations that resurfaces brake rotors and drums. For those needing a tool, there is a free Loaner Tool program available with a refundable deposit. If a needed part is not in stock, the staff is quick to help order it or find it elsewhere. This high level of service leads customers to recommend the store highly and even travel from other neighborhoods to visit this specific location.