Spark Plugs

Bosch advanced EVO spark plugs are engineered to ensure reliable ignition throughout their long service life – even under extreme conditions in modern engines. With an improved insulator design and high dielectric strength, EVO spark plugs can withstand irregular combustion, known as mega knocking, that can occur in today’s technologically advanced engines.

Bosch Double Iridium Spark Plugs are engineered to deliver both high performance and long life, representing advanced original equipment (OE) spark plug technology. The ultra-fine wire design and laser welded tapered ground electrode deliver optimum performance, while the iridium center electrode and ground electrode help it to go the distance.

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.