The stock rear bumper on your GM 2500HD/3500HD falls short in both protection and style! Discover your heavy-duty solution to enhance your truck’s protection, aggressive appearance, and recovery points. Our heavy-duty rear bumpers effectively shield your truck from rear-end collisions, road obstacles, and off-road hazards. Upgrade your truck’s rear end with our robust steel and lightweight aluminum rear bumper options! Complete your trucks protection with a heavy-duty Front Bumper!GM Duramax Fitments: 2004, 2005 GM 6.6L Duramax.Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali.Some exceptions apply, please see individual product pages for specific fitments.