I ordered a gas hd3500 April 3rd and it was picked up on the 14th to be built the second week of may. Salesman was upfront about allocations and that there were none ahead of me waiting. Just need to find someone honest about that, so good luck there!
I work in a glass plant that makes glass for both oem and aftermarkets like safelite and confirm that oem is held to much tighter tolerance and defect rejection. We always comment on aftermarket runs that there aren't any defects. Before this job I was an owner operator for 30 some years and on the last truck i owned the replacement window had a divot rite in my line of site that didnt wipe. I really wish I could say I miss that job. Not really