Cross references CHAMPION F303 HIFI FILTER SO6972 HIFLOFILTRO HF156 K&N FILTER KN-156 KTM 583.38.045 583.38.045000 583.38.045001 583.38.0451 583.38.045100 583.38.045101 MAHLE OC224 MANN & HUMMEL MW68/1 SF FILTER TO1048