You might as well admit it. At some point, all of us have caught ourselves singing along to â€śO-O-O-Oâ€™Reilly. Oâ€™Reilly Auto Parts!â€ť This store with the catchy theme song has caught our attention in more ways than one. Oâ€™Reilly Auto Parts is committed to offering its customers the best combination of quality and price available. What began as a single store in 1957 is now a chain of over 4,000 locations employing professional team members who are hired and compensated for their vast knowledge of the auto parts industry. Shop Oâ€™Reilly Auto Parts in person or online to find a huge selection of parts and accessories for every vehicle. Stores offer a variety of services, including battery and electrical testing, oil recycling, a loaner tool program, machine shop, professional paint shop and more. Enroll in the Oâ€™Rewards program to earn points towards coupon savings every time you shop.