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Message: <blockquote data-quote="95-007" data-source="post: 20963" data-attributes="member: 7041">Yes, the departue from the artwork over the past couple of decades in favor of the latest style leads me to believe that the canister that came from the factory as well as subsequent new cans may have been upgraded. Out of curiosity, I may try and get one of the newer looking cans and compare it to an older PF64. If I do, I'll post it to this same thread.GM does some funny things with their parts. A case in point, moving back to the UPF64R for a moment, the very same filter comes in either a black or chevy blue can. The difference? The black can uses a Neoprene filter-to-mount seal and the blue uses Silicone. The internals are the same. No wonder the engineer I spoke with back in 2019 had to research the PF / UPF differences himself.</blockquote>