The Power Train Components (PTC) G3829 Metal Inline Fuel Filters are designed for vintage vehicles with a lower placement on the vehicle. These filters have a clamp-on mounting style and a diameter of 3.19 inches. They are constructed from metal and come with a metal gasket for easy installation. The filters are manufactured in the United States and are not intended for universal fitment. They are compatible with various interchange part numbers and OE/OEM part numbers such as GF538 and 1H0201511A. These filters are suitable for replacing old or worn fuel filters in classic cars.