Spark Plug Spark plug igniting the air-fuel mixture in the combustion chamber Denso "T20EX-U" - Not availableMERCEDES-BENZ - 124, 190, Kombi, G-Class; PEUGEOT - 305, 104; CITROËN - BX, Visa; RENAULT - Trafic, 21; TALBOT - Samba; ...