What is a Spark Plug

Published In: Technical Information

Spark plug is a device placed in the cylinder head of an internal combustion engine working on the principle of spark ignition of air/fuel mixture. The spark plug is connected with the cylinder head by a thread. The active part projects into the combustion chamber. The upper part provides high-voltage supply from the ignition system to the spark gap. The basic function of a spark plug is the ignition of an air/fuel mixture in the combustion chamber at a precise moment.


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