With an engine as powerful as the 5.9L Cummins seated under your hood, you're going to be generating a lot of heat which leads to an overloaded cooling system. This can eventually lead to a compromised head gasket. If you've got that dreaded white smoke bellowing out of your exhaust, you're going to need a new high quality head gasket! Choose from our broad spectrum of head gasket fitted for the 04.5-07 Ram 5.9L Cummins trucks! Matched to meet OE specifications, many of these featured head gaskets are made to help your engine run efficiently for a long time coming. Whether it's for replacement or safe keeping, be sure to pick up your next head gasket out here from Alligator Performance!Ram Cummins Fitments: 2004, 2005, 2006, 2007 Ram 5.9L Cummins.Submodel Fitments: Tradesman, Laramie, Laramie Longhorn, Big Horn, Limited, Lone Star, Power Wagon.Some exceptions apply, please see individual product pages for specific fitments.