Bosch Iridium Spark Plugs are engineered to deliver both high performance and long life, representing advanced OE spark plug technology. The ultra-fine wire iridium center electrode pin delivers best performance. Unlock the performance in your engine with Bosch Iridium Spark Plugs.

Bosch Double Platinum Spark Plugs are engineered for up to 3X longer service life.*

Bosch Platinum Spark Plugs are engineered for up to 2X longer service life.*

Bosch copper core spark plugs feature a heavy-duty nickel center electrode for longer lasting service life compared to standard copper plugs.