NGK
NGK 4436, NGK 4936, NGK ZFR4E11, NGK ZFR5D11
BOSCH
BOSCH FR8HC0X
CHAMPION
CHAMPION 318, CHAMPION RC12MC4/012, CHAMPION RC12MC4/051
DENSO
DENSO K16GPRU11, DENSO K16PRL11, DENSO K16PRTP11, DENSO QJ20CR11