Just bought a new TRD filter. Part number PTR43-00080 for my 2000 Camry 1MZ-FE it would appear to be made by Champion laboratories. Has an AA stamped on the base plate. It looks to be the same as a Royal Purple filter. Has a K&N nut on the top and a Toyota style rounded O-ring. Picked it up for $9.11 from a local Toyota dealer.
Royal Purple
Royal Purple
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