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Rock Auto makes a lot of money from shipping alone, claiming that they are shipping parts from multiple locations which you can discover is bogus if you pay attention to how they change up your order as you build it. I only use them if I need one or more parts, never again for more than that.
I did find the parts on ebay, good price, free shipping. but anyway look at these oil filters. Which one is walmart, which one is ac-delco?Even the stickers are the exact size and in the same spot. Same manufacturer???