The Dodge 6 1/2 Inch Outside Diameter Diesel Particulate Filter Gasket is a paper-coated metal construction material that fits most Dodge diesel particulate filters. With a 6 1/2 inch outside diameter and 5 3/4 inch inside diameter, this gasket is sold individually and is compatible with OEM and aftermarket numbers such as 68065844AA, G18002, G18001, and E30-0143DG001. This gasket is a practical and reliable solution for maintaining your Dodge diesel particulate filter, ensuring optimal performance and longevity.