This wheel bearing with National Seal/Bearing brand is designed to fit most vehicles and is ideal for replacement when your car or truck starts making noise or pulls to one side. The bearing is made of high-quality materials to ensure durability and long-lasting use. The OE/OEM part number is 05086778AA,5086778AA, and the manufacturer part number is 387AS. This product is sold as a single unit and is perfect for those in need of a reliable wheel bearing for their vehicle.