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Filter paper tested is used in the entire line of Doc's Diesel Engine Air Filters
and with our Combo Kits
For use on interior dashboards
Fuel/Water Separators: Every 5
DGF429+DPA10660+DF209+D3977+D5399
Doc's Diesel Chevrolet/GMC 6.6L Duramax Combo Kit 2006-2010 ADDITIVES Filter paper tested is usedDoc's Diesel Filter Combo Kits: Docs Diesel Combo Kits save you time and money by giving you the filters you need in one convenient package. No more running around trying to find the right parts. Just grab a kit and get the job done! Swapping filters on time keeps your truck running strong and efficient, and with our Combo Kits, its easier than ever. Product Details: View each item for individual product specs. Includes 1 Fuel Water Separator, 1 Oil