This is a genuine ignition coil from a Nissan Dayz B21W. It was removed from a vehicle with approximately 60,000 km on it. Due to the nature of electrical components, please understand that this item is sold as-is, with no returns. The part number from the box when it was replaced is included. Iridium spark plugs that were used with it are also included as a bonus. It will be shipped without the original box.