Direct fit for 2006-2010 Chevrolet/GMC 6.6L Duramax Overall Size: 45.1' x 24.8' x 5.9' / Core Size: 33.86' x 23.54' / Rows: 2 Inlet: 1.81' / Outlet: Quick Disconnect / Core Thickness: 2.21' All-aluminum construction includes magnetic drain plug Mishimoto Lifetime Warranty