RockAuto sells auto parts online only, from a catalog that covers cars of all ages and carries parts from hundreds of manufacturers.
The saving habit that pays off here is the repeat-customer code: a few months after each order, RockAuto emails you a discount code that works again and again until it expires.
RockAuto is a family business founded in 1999 and based in Madison, Wisconsin, and its registered slogan claims to cover every part a car will ever need. Shoppers pick a year, make and model to see parts that fit, or search by part number, and a separate section holds tools and universal parts. The make list stretches from long-gone names such as Studebaker, Packard and Duesenberg to newer electric brands like Rivian, Lucid and Polestar.
According to the site, any part listed with a price is in stock, and the home page sets RockAuto's price for a sample part beside those of AutoZone, O'Reilly, NAPA and Advance. The catalog can be read in English, Spanish, German or French with prices shown in many currencies, and customers can save their vehicles to an optional account.
When shoppers look for RockAuto coupons
RockAuto coupon searches peak in June, about 3.8× a typical month, and dip lowest in January.
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US Google searches, Sep 2025 to Aug 2026. Search interest, not sales.
How long does RockAuto shipping take?
You see the options and prices in the cart only after entering your country and postal code; parts leave specialized warehouses by carrier.
What payment methods does RockAuto accept?
RockAuto lists a Pay Later option that splits the total into 4 interest-free payments.
More about shopping at RockAuto
What it sells
An online-only parts catalog for cars of all ages, run as a family business in Madison, Wisconsin since 1999.
No pickup
Parts can't be collected in person, so every order is a shipped order.
Returns
Each return starts with online authorization on the Order Status and Returns page, which issues the address or label and the instructions for that order.
Repeat-customer code
Arrives by email a few months after an order and stays reusable until its expiry date.
Rebates
A Promotions & Rebates page lists manufacturer rebates and instant rebates, and some of them apply only in the US.
Worldwide orders
RockAuto ships to customers worldwide and can show prices in many currencies; some promotions and rebates stay US-only.
Gift certificates
Sold through a footer link; their terms weren't part of the pages read.
The code worth watching for is the one RockAuto mails to past buyers a few months after an order.
Because it can be used repeatedly until it expires, it's worth keeping that email handy for the next brake job or bulb swap.
Instant rebates work differently: the Promotions & Rebates page lists them by brand, such as 10% off qualifying Advics parts, Sylvania bulbs or Bosch brakes.
The pages read don't say whether a repeat-customer code and an instant rebate can be combined on one order, so compare the cart total both ways.
If you ship outside the US, check each rebate first, because some are valid only in the US.
More ways to save at RockAuto
Shipping is priced in the cart once you enter a postal code, so building one cart with every part for the job shows the full delivered cost before you pay.
Manufacturer rebates on the Promotions & Rebates page are a separate route to money back on specific brands.
Businesses don't get a trade discount or payment terms here; RockAuto charges every customer the same prices.
Pay Later spreads a big parts order over 4 interest-free payments, which helps cash flow but doesn't lower the price.
RockAuto questions, answered
Does RockAuto send discount codes to returning customers?
A discount code arrives by email a few months after each order. You can use it repeatedly until it expires.
How long do you have to return a part to RockAuto?
The pages read for this page don't state a return window in days. Every return needs online authorization through the Order Status and Returns page, so open your order there before you buy anything you're unsure about.
How much is shipping at RockAuto?
Shipping options and costs appear in the cart after you enter your country and postal code. No free-shipping threshold is listed, and parts can't be picked up in person.
Does RockAuto have an app with its own discount?
RockAuto doesn't have an app, so there's no app-only deal. The website is built to work on phones instead.
Can shops or fleets get business pricing at RockAuto?
Businesses get the same prices as everyone else, with no special rates or payment terms.
Do RockAuto rebates work on orders outside the US?
RockAuto ships worldwide, but some promotions and rebates are valid only in the US. Check the Promotions & Rebates page for each one.