Co-Generation Spark Plugs

DENSO is one of the world’s leading innovators and manufacturers of ignition technology, including spark plugs. We were the first company to produce long-life automotive Iridium Spark Plugs, and invented the world’s smallest, most efficient 0.4mm Iridium tip. DENSO has also developed Iridium CoGeneration Spark Plugs – a unique range of robust, high performing Iridium spark plugs especially for the gas engine industry.

Iridium CoGeneration Spark Plugs combine all the performance benefits of DENSO’s Iridium Spark Plug technology with a number of additional efficiency advantages. Choose from Iridium Saver, Iridium Saver Performer and the latest Iridium Saver DDI.

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