Spark Plug Spark plug igniting the air-fuel mixture in the combustion chamber AugustinGroup "5170102" - Not availableCITROËN - Xantia, Xsara, AX, Evasion, Saxo; PEUGEOT - 306, 406; FIAT - Ulysse, Freemont; JEEP - Grand Cherokee; LANCIA - Zeta