When the oil sump gasket was sent they decided to fold it like so. The blue outer layer isn't cracked or split but would just like to make sure it's still good to use?
9:30 AM must be too early for me today. It's been about 10+ minutes of me trying to come up with some comment about avoiding pleats or maybe just turning it upside down, because Australia, but forget that.
This post is now just to say that I finally figured out what that black gasket thing really is.