Navistar PDC Air Dryer, Replacement Of Ad-9 FLTAD065225. Air Dryer, Replacement Of Ad-9. If you want to keep your truck on the road and running strong then it's important to use reliable, high quality truck parts. The Rechtien International Trucks parts team has you covered from wiper blades to complete engines from quality names like Cummins and Allison to Exide, Bendix, Meritor and Donaldson. No matter what you need our parts department is sure to have it.Portions of the part information on this page have been provided by WHI Solutions, Inc. This item is in the category "eBay Motors\Parts & Accessories\Commercial Truck Parts\Engines & Components\Other Engines & Components". The seller is "rechtienintl" and is located in this country: US. This item can be shipped to United States.