This episode of Bosch TechNuggets focuses on the ceramics of spark plugs - a true marvel of technology. On the one hand a fragile material, on the other hand extremely resistant to the high pressure peaks in the combustion chamber. The ceramic in spark plugs provides electrical insulation, i.e. ensures that the current takes exactly the right path through the inside of the spark plug. And it helps to dissipate the heat from the combustion chamber to the engine block so that the electrodes do not get too hot. In the expert interview, you will learn about the important function of the ribs in the ceramic and why there are nevertheless also smooth spark plugs without ribs. Furthermore, it is explained why there are different types of spark plug connections.

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