The NEW Motorcraft FL820SB12 Oil Filters Case of 12 Bulk Pack includes high-quality oil filters specifically designed for engines. Manufactured by MOTORCRAFT, these filters are made in the United States and come with a manufacturer part number FL820SB12 FL820S. They are interchangeable with part number F1AZ-6731-BD and are sure to provide reliable filtration for your vehicle. With this bulk pack, you can easily stock up on oil filters to keep your engine running smoothly for an extended period of time.