Spark Plug Spark plug igniting the air-fuel mixture in the combustion chamber Denso "K16PZR13" - Not availableCITROËN - BX, Xsara, ZX, AX; AUDI - A4, A6; BMW - 3, 7; FIAT - Panda; CHRYSLER - Voyager; CHEVROLET - Aveo; ...