Wow, something is not right here. If you car was manufactured in 9/2018 then it should have the old style clevis mount. Strangely enough, your service estimate specifically indicates your car has a Raven drive unit (started manufacture in June 2019 I believe) AND there is no clevis mount in the estimate. Oddly enough, there are no seals in the estimate either and I understand that they always replace the seals when replacing the half shafts. I followed the instruction in the service bulletin (quoted at the beginning of this thread) removed the front left tire, secured the car on jack stand and climbed underneath to confirm that I had the old style clevis. In my view that helped the conversation at the SC and I walked in with the Tech Bulletin in hand as well. Everything fell into place without argument. But that is just me. In addition, the part numbers for the half shafts are different than my invoice. Seems to me whoever wrote your service invoice/estimate hasn't got it right. You are gonna have to go back to the SC and ask does your car have the old style clevis since it was made prior to April 2019---yes or no. Why did they specify Raven drive unit, does that mean the wrong parts, and why no seals. Good luck!!!