Spark Plug Spark plug igniting the air-fuel mixture in the combustion chamber RIDEX "686S0111" - Not availableCITROËN - C3, C-Elysee, C4 Cactus, DS3; PEUGEOT - 208, 301; OPEL - Corsa F, Crossland; DS - DS 3; VAUXHALL - Corsa; ...