for what it's worth, just did business with these guys and everything was awesome. First, I ordered the wrongpart, I ordered an aem o2 sensor when I needed the autometer replacement o2 sensor. They weren't vry helpful in providing the return address info, but when I sent it backhey called me that day and fed exed the right part out to me. It wasn't their fault I ordered the wrong part but they took careof it nicely