Mishimoto MMRAD-NIS-08 Nissan Maxima Performance Aluminum Radiator, 2004-2008, Silver Direct fit for the 20042008 Nissan Maxima 3.5L Overall Size: 29.69 x 20.28 x 1.92 / Core Size: 28.15 x 15.75 / Rows: 2 Inlet & Outlet: 1.38 / Core Thickness: 1.42 / Tank Wall Thickness: 0.08 TIG-welded aluminum radiator includes high-pressure rad cap and magnetic drain plug Mishimoto Lifetime Warranty Drain plug thread length: .47 inch Drain plug thread size: M12 x 1.5 Tank wall thickness: .08 inch Outlet: 1.38 inch Inlet: 1.38 inch