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Currently viewing products for Iridium Ultra Viewing products for all vehicles. Please select a vehicle.

Autolite Iridium Ultra® is an engineered OE replacement iridium spark plug.

Autolite Iridium Ultra Spark Plug (AI5325)

$9.99
Autolite Iridium Ultra Spark Plug (AI5701)

$9.99
Autolite Iridium Ultra Spark Plug (AI5363)

$9.99
Autolite Iridium Ultra Spark Plug (AI3922)

$9.99
Autolite Iridium Ultra Spark Plug (AI5245)

$9.99
Autolite Iridium Ultra Spark Plug (AI5263)

$9.99
Autolite Iridium Ultra Spark Plug (AI5702)

$9.99
Autolite Iridium Ultra Spark Plug (AI5863)

$9.99
Autolite Iridium Ultra Spark Plug (AI5684)

$9.99
Autolite Iridium Ultra Spark Plug (AI5682)

$9.99
Autolite Iridium Ultra Spark Plug (AI3923)

$9.99
Autolite Iridium Ultra Spark Plug (AI5683)

$9.99