AutoZone is one of the leading retailers of aftermarket automotive parts and accessories in the United States. They offer a wide range of products, including:

1. Replacement Parts: This includes essential components like brake pads, filters, batteries, alternators, and starters for various vehicle makes and models.

2. Maintenance Items: Oil, coolant, windshield wiper fluid, and other fluids to keep vehicles running smoothly.

3. Accessories: Items like seat covers, floor mats, and cleaning supplies for car detailing.

4. Diagnostic Tools: Tools that allow customers to identify and troubleshoot vehicle issues, such as code readers and testers.

5. Specialty Services: Some AutoZone locations offer free services such as battery testing, oil recycling, and loaning out specialty tools.

Their extensive network of stores also allows customers to order online and pick up in-store, or have items delivered.