This Ford SUBK-3946-K rubber gasket flange hardware kit is a high-quality replacement part for your Aerostar F250 or F350. It includes three pieces and is made from durable rubber material. This kit is an OE (original equipment manufacturer) NOS (not in stock) and is perfect for those looking for a reliable replacement part. The kit is designed for easy installation and comes with all the necessary hardware. It is a great fit for those who want to maintain their vehicle's fuel system and ensure its proper functioning. This product is perfect for those who want to replace their old or worn-out gasket flange hardware kit without worrying about the quality of the replacement part.