O'Reilly Auto Parts in Indianapolis offers parts, tools, and accessories with services like free battery testing, wiper blade installation, and a free Loaner Tool program. The staff are consistently described as amazing, friendly, knowledgeable, helpful, and efficient, providing immaculate customer service. Employees are noted to go above and beyond to assist with transactions and installations, even in difficult conditions. Customers appreciate the hassle-free returns and value compared to other stores, saving both money and time. While parts availability is good, some note the process of finding specific items can take a while. Overall, it is a recommended store for its helpful staff and reliable services.