O'Reilly Auto Parts stores carry automobile parts such as fuel pumps, car batteries and spark plugs. Other products the store carries include cleaning products and car accessories.
The store carries belts and hoses, air conditioning parts and accessories, tire and wheel parts, engine parts and mounts, and supplies for brake repairs. The store's return policy allows merchandise to be returned for a full refund as long as it is as new, in its original packaging, never installed and preferably never opened. The customer must return all the parts that came with the product and have the original purchase receipt.
The company's official website allows customers to shop online or to find a store located in the customer's area. Users are able to customize the website such that they have access to the inventory specific to their local store, as well. Customers have the ability to order a product online and arrange to pick up the item at their local store.
It is possible to view and print account invoices and statements from the O'Reilly Auto Parts website as well as view gift card balances, current orders and previous orders. Customers also have the ability to view and print invoices for past orders.