This fuel filter assembly cap (latest updated part number) is new from Ford and OEM. This fits F-Series Super Duty trucks from 2003 to 2007 with the 6.0 diesel. The o-ring for the cap is included. This is for the primary fuel filter that is mounted on the frame at the HFCM. Shipping is via FedEx Ground Home Delivery or USPS Priority based on your zip code and will show the amount in checkout.