STILLEN 401446 Nissan Titan Premium 3-Row High-Performance Aluminum Radiator - 04-14 Titan / 05-14 Armada / 04-13 QX56 100% all metal aluminum construction; Eliminates the plastic upper & lower tanks that are prone to cracking Increased cooling capacity with a core that is twice as thick as the factory unit; Installs just like factory (drop in fit) Built-in transmission cooler (18.12 inches) - for use with automatic transmissions or manual transmissions; 3-Row construction - 3 sets of flow tubes Stillen recommends using a vacuum system to evacuate air from cooling system upon installation. This will extend the life of your radiator and protect your warranty; 3 year warranty