This o-ring seal kit is new from Ford and OEM. This fits Ford F-Series Super Duty trucks from 2003 to 2007 with the 6.0 diesel. This kit includes the three injector o-rings and one copper washer seal. Each kit is for one injector. If needing to do a complete 6.0 engine, you need to order eight kits. Shipping charges and options are based on your zip code and will show the amount in checkout.