One thing, these days there are a lot of fake knockoff auto parts, and a large percent of those are sold on Amazon. So, spend a little extra time and phone the original manufacturing company and ask for the details on the phone about how to identify and determine if the part you bought is genuine or fake. The fake usually will work for a brief time and then wear out fast or fail after a short amount of use. They usually are not worth the time it takes to install them. So if it is fake return it to Amazon.