I want to revisit this topic as I have recently acquired an original bracket with the seal and clip. What I didn't know was the original seal was stapled to a separate bracket that you don't see in that restored picture posted in this thread. Interesting as I thought mine were original, but apparently not. Take a look. I understand that the passenger side did not have this type of seal, only the smaller one to block the frame bolt opening in the firewall from water/dirt etc...