This bearing has never been used, however it was taken out of the box. There is some damage to the box as seen in the photos, however there is no damage to the bearing. The OE part number is 31221093427 for a 1996 to 2003 BMW 5 Series E39. Not including the E39 BMW M5. The bearing doesn't include any bolts of fitting parts. It comes as seen in the photos. This is also just one bearing, not a pair.