Spark Plug Spark plug igniting the air-fuel mixture in the combustion chamber Denso "FC16HR-Q8" - Not availableTOYOTA - Corolla, Yaris, RAV 4 V (AX), C-HR; LEXUS - NX, RX; CITROËN - C1; PEUGEOT - 108; SUZUKI - Across; SUBARU - Trezia; ...