Spark plug, Iridium fits: OPEL ADAM, ASTRA J, ASTRA J GTC, ASTRA K, CASCADA, CORSA E, INSIGNIA A, INSIGNIA A COUNTRY, INSIGNIA B, INSIGNIA B COUNTRY, INSIGNIA B GRAND SPORT 1.0-1.6 12.12-. Thread pitch 1.25 mm.
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