Spark plugs

Equipped with an iridium firing pad and an iridium alloy ground electrode pad: Bosch Double-Iridium industrial spark plugs are developed to the same high quality as original equipment and engineered for high performance in stationery natural gas engines.

Equipped with particularly fine iridium firing pins at center and ground electrode: Bosch Double-Iridium Pin-to-Pin spark plugs are developed to the same high quality as original equipment and engineered for high ignitability and energy transmission in gasoline engines.

Equipped with iridium firing pins at the center and ground electrode: Bosch Double-Iridium spark plugs are developed to the same high quality as original equipment and engineered for high performance in gasoline engines.

Equipped with a platinum firing pad and an enhanced platinum ground electrode inlay: Bosch Double-Platinum industrial spark plugs are developed to the same high quality as original equipment and engineered for high performance in stationery natural gas engines.

Equipped with platinum firing pins at the center and a ground electrode: Bosch Double-Platinum spark plugs are developed to the same high quality as original equipment and engineered for high performance in gasoline engines.

Equipped with an iridium firing pin at the center electrode: Bosch Iridium spark plugs are developed to the same high quality as original equipment and engineered for high performance in petrol engines.

Equipped with a ground electrode made from nickel alloy: Bosch Nickel spark plugs are developed to the same high quality as original equipment for a wide range of applications.

Equipped with a ground electrode made from nickel alloy: Bosch Nickel spark plugs for small engines are developed to the same high quality as original equipment for a wide range of applications.

Equipped with a platinum firing pin at the center electrode: Bosch Platinum spark plugs are developed to the same high quality as original equipment and engineered for high performance in gasoline engines.

Equipped with a ground electrode made from nickel alloy: Bosch Start spark plugs are developed for a wide range of Asian, European and American applications.

Equipped with four enhanced ground electrodes with surface air-gap design: Bosch Super 4 spark plugs are engineered for outstanding engine performance, high fuel economy and protection against carbon fouling.

For strong and reliable spark energy: Bosch ignition cables transmit high voltage from the ignition system to the spark plugs with minimum energy loss.