Genuine OEM Hyundai Iridium Spark Plug, part number 1886808115. This essential component is responsible for igniting the air-fuel mixture within the engine's combustion chambers, initiating the power stroke. It is installed directly into the cylinder head, typically one per cylinder. Featuring an iridium tip, this spark plug offers superior durability and a consistent, powerful spark for optimal engine performance. It weighs approximately 0.058 kg and is about 95mm long. Choosing a genuine OEM spark plug ensures the correct heat range, electrode gap, and material composition for precise engine timing, fuel efficiency, and long service life.