Throttle body gasket

[rumpunt]

Hello all. Newbie here on the forum with a question. I recently changed the throttle body on my 04 Ram 5.7 after looking on some videos on YouTube. Everything went well but all the videos I saw show a round neoprene gasket. The one on mine was a flat fiber gasket and the replacement TB didn't have the groove for the neoprene gasket and no located pins So I just installed the new TB with the gasket that was there. Everything seems to be fine but was just curious why I have a flat gasket and everything else shows the round neoprene. Thanks so much!

 

[kdoublep]

China?

 

[rumpunt]

I think so. It's a Irontree brand. Supposed to be one of the best. But even the manifold side on the truck was smooth , no grove for a neoprene round gasket to fit into. And no locator pins. The one I took off looked exactly like the one I just installed. Would Ram possibly have changed after 2004? Puzzling.