Diesel Fuel Filters and Parts Diesel fuel filters and parts. Baldwin BF1212 Water Separator and Cat Fuel Filter. Replacement filters for our '03-12 Cummins and '01-10 Duramax kits. Fuel Filters - Advance Auto Parts Clogged fuel filters don't happen often, but that doesn't mean they never happen. Check out our selection of fuel filters from top brands like FRAM ®, DENSO, and more! A critical part of any vehicle, fuel filters trap contaminants as fuel flows through the line to the engine.