aFe Pro GUARD D2 Fuel Filter for DFS780 Fuel System Fuel Filter (For 42-12032 Fuel System) - 4 PackPro GUARD HD Fuel Filters deliver increased flow and efficiency that are demanded in the Diesel environment. This fuel filter is designed for maximum filtration and minimal flow restriction. The Pro GUARD D2 Fuel Filters are direct OE replacements filters which utilize the factory canisters to ensure a proper fit and hassle free installation. This Part Fits: Year Make Model Submodel 2005 2010 Dodge Ram 2500 Laramie 2006 2010 Dodge Ram 2500 SLT 2006