Seat Ibiza (Mk5) 1.4. 4x Iridium Upgrade Spark Plugs. Overall this saves about 1,200,000 sheets of paper every year; that’s equivalent to 145 trees! Equivalent Part Number(s): DENSO: IK20L, OE: 1UXH18110, OE: 55564763, OE: MZ602085, NGK: 1748.
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