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15% Off $75+ Online
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Get 15% off purchases of $75 or more online. Promo code required.
November 2026 · checked November 7, 2026
O'Reilly Auto Parts promo codes & deals
15 live offers, 11 codes, best code 20% off.
Before you shop at O'Reilly Auto Parts
About O'Reilly Auto Parts
About O'Reilly Auto Parts
Whether you're passionate about cars or simply want to make sure your vehicle stays in top condition, O'Reilly Auto Parts can help you with its extensive product range and helpful service.
Your local O'Reilly's store can help you solve most basic automotive problems by offering services like:
- Battery testing
- Alternator and starter testing
- Check engine light testing
- Fluid and battery recycling
- Headline bulb installation
Plus, you can always find essential car products, including wiper blades, engine oil filters, spark plugs, motor oil and antifreeze. And with a coupon, you can save up to 25%!
Using a code
How to use a O'Reilly Auto Parts promo code
- 1Go to your online cart when you're ready to check out.
- 2Enter your code in the box that says, "Apply Promo Code / O'Rewards Reward."
- 3Hit "Apply" and check out with your deal!
Shipping
What is O'Reilly Auto Parts' shipping and delivery policy?
O'Reilly Auto Parts offers free next-day delivery for all orders totaling $35 or more.
Keep in mind that some orders, such as large items, do not qualify for free delivery. However, the order checkout page will state if your order qualifies for free delivery before you check out, so you won't have to wonder!
Returns
What is O'Reilly Auto Parts' return and refund policy?
You can return items to O'Reilly Auto Parts in-store or through the mail within 90 days of the date on your receipt.
Original shipping charges are not refundable, and you must pay for the return shipping costs.
As for warranties on defective products, O'Reilly Auto Parts will honor them during the warranty period, allowing you to exchange the item.
Questions shoppers ask about O'Reilly Auto Parts
Are diagnostics free at O'Reilly Auto Parts?
Yes, diagnostics, like check engine light testing, are free at O'Reilly Auto Parts. Many locations will also help you with simple services, such as replacing your windshield wipers, for no charge. It's peace of mind for free!
Does O'Reilly Auto Parts have gift cards?
Yes, O'Reilly Auto Parts has gift cards in amounts ranging from $5 to $500. All gift card purchases qualify for free standard shipping. However, you cannot use promo codes or coupons to drop the price of gift cards.
What can you find in the O'Reilly Auto Parts Deals section?
The Deals section of the O'Reilly Auto Parts website is your source for savings. You can find the following:
- The retailer's current ad
- Available coupons and promo codes
- O'Rewards offers
- The rebate center
You can also learn about upcoming in-store events from O'Reilly Auto Parts.
Is O'Rewards from O'Reilly Auto Parts free to join?
Yes, you can join O'Rewards from O'Reilly Auto Parts for free. When you provide your email address and phone number, you'll start earning automotive perks like one point for every dollar you spend (and a $5 reward for every 150 points).