No, it looks like the proper o-ring for the cartridge filter to me. https://www.nissanpartsdeal.com/part...526-3jx3a.html
31526-3JX3A Seal-O Ring is Lookup Code 31526QA in the diagram below
Attachment 21425
Might have to take my thanks' back.
I've always had pretty good luck on ebay. I've seen more scammy stuff on amazon or walfart 3rd party sellers.
Of course if something looks too good to be true it's probably just a really good deal and I should buy it before someone else does!