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WARRANTIES

Iridium Ultra® Lifetime Limited Warranty

Autolite Iridium Ultra Spark Plugs WarrantyAutolite Iridium Ultra Spark Plugs Warranty

Iridium XP Lifetime Limited Warranty

Autolite Iridium XP Spark Plugs WarrantyAutolite Iridium XP Spark Plugs Warranty

Double Platinum 5 Year Limited Warranty

Autolite Double Platinum Spark Plugs WarrantyAutolite Double Platinum Spark Plugs Warranty

Platinum 4 Year Limited Warranty

Autolite Platinum Spark Plugs WarrantyAutolite Platinum Spark Plugs Warranty

Copper 2 Year Limited Warranty

Autolite Copper Spark Plugs WarrantyAutolite Copper Spark Plugs Warranty