This product is a set of six fuel filters with the manufacturer part number JS3578. The filters are compatible with Freightliner, International, Kenworth, and Peterbilt vehicles and have OE/OEM part number L3578FN. They are also compatible with other part numbers such as FF5369, FF5278, FF5314, FF5315, PF7548, PF7620, PF7621, and P550757. The product is made in China and has a GTIN of 10683125501781.