This product is a set of 18 oil filter adapter gaskets designed specifically for Ford F250, F350, and Bronco vehicles. Made in the United States, these gaskets carry a manufacturer part number of F0TZ6749B FOTZ6749B and come with a California Prop 65 Warning for cancer and reproductive harm. These genuine Ford gaskets are crucial components for ensuring a proper seal and preventing leaks in the oil filter system of your vehicle. Exact item set is shown. New old stock with original packaging. Black rubber, outer diameter approximately 1 inch. Made in USA. No returns on installed items or partial sets. Please review our business policies in our store for information regarding returns, shipping and warranties.