1. Firstly, pinpoint the ProParts USA discount code that you find appealing on this page and click on Get Code, situated on the right flank of the title.
2. Following this, the offer code will be shown and automatically replicated to your clipboard.
3. Then go back to the shopping checkout page of propartsusa.com, where you can find the promo code box and paste the code into it.
4. Finally, you need to click Apply Code to see how much discount you have on your current order.