Kelly Jeep Parts

Apparently they can't look up parts without your VIN? Odd since no one else said they couldn't look up prices or part numbers without it. 3 weeks ago I called for O² sensors and was given the correct part numbers but incorrect positions (upstream and downstream were transposed). 2 weeks before that I asked about a warning light I kept getting randomly and was told I most likely have too many accessories hooked up and possibly incorrectly. I have 1 LED light bar, but 1 pair of LED light pods and a CB radio. I jkkI'll go out of my way to not have to bother anyone with questions but if I do have to ask then I go straight to the source and I would expect that if I call a Jeep dealership parts department and ask them a question about my Jeep that the information I am provided to be 100% accurat