Specifically designed to allow the use of AN lines with our 2003-2009 Dodge Ram 5. 9L/6. 7L Cummins Transmission Cooler, this fitting adapts -8ORB to -8AN and is sealed with a Viton O-Ring. This Mishimoto -8ORB to -8AN fitting is made from 6061 aluminum and is black anodized for a durable finish. Like all of our products, this fitting includes Mishimoto's Lifetime .