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Spark plugs are crucial components in an automotive engine, responsible for igniting the air-fuel mixture within the cylinders to power the vehicle. They consist of a central electrode surrounded by a ceramic insulator, which is housed in a metal shell. The spark plug’s tip reaches extremely high temperatures during operation, causing it to emit sparks that ignite the fuel and create an explosion that drives the engine’s pistons. Over time, spark plugs can wear out or become fouled, leading to decreased engine performance and fuel efficiency. Automotive spark plugs come in various types, including copper, platinum, and iridium, each with its own unique properties and benefits. Choosing the right spark plug for a specific vehicle is essential to ensure optimal engine performance and longevity.