O'Reilly Auto Parts store #3645 in Surprise, Arizona, is known for its friendly and knowledgeable staff who provide excellent customer service. Customers appreciate the staff’s helpful attitude and their willingness to go above and beyond, such as reading check engine codes and offering detailed explanations of warranties. Employees like JR and Tim are frequently praised for their genuine assistance, which has helped customers save significant money—sometimes over $1,100—by providing expert advice and quality parts. The store is well-staffed and equipped to serve customers, offering services like free battery testing, wiper blade and bulb installation, and check engine light testing. The store also features a free Loaner Tool program for special tools, with a refundable deposit. Customers note that the location is clean, well-maintained, and accommodating, even supporting volunteer projects. While some customers mention they might save money ordering parts online, they prefer shopping in-store because of the staff’s helpfulness and expertise. Overall, the Surprise location consistently delivers a positive experience, with customers returning for the friendly service, helpful staff, and reliable products. With over 6,000 stores nationwide, O'Reilly Auto Parts remains a trusted choice for automotive needs.