Genuine OEM Hyundai Spark Plug, part number 1884511160. This vital engine component is responsible for igniting the compressed air-fuel mixture within the engine's combustion chambers, initiating the power stroke. It is installed directly into the cylinder head. The spark plug weighs approximately 0.054 kg. Using genuine OEM spark plugs ensures the correct heat range, electrode gap, and material composition for reliable ignition, optimal fuel efficiency, and protection against pre-ignition or misfires, maintaining peak engine performance.