True but the Japan filter is worth the additional cost over the Thailand and Mexico made filters. (To me anyway). I have held and inspected all three many times. Not even close.
PE01-14-302B can be bought on eBay. I bought one just to see and it was new, perfect condition and the CORRECT part #. This is the listing : https://www.ebay.com/itm/PE0114302B-Genuine-Mazda-CARTRIDGE-OIL-FILTER-PE01-14-302B-/392341035834