How to Replace an F350 Turbo Diesel Fuel Filter


The Ford F-350 turbo diesel uses a bowl housing at the top of the engine to enclose the fuel filter. Diesel tanks are susceptible to large amounts of debris and sediments in the tank. The fuel filter is responsible for keeping the debris out of the engine. This could cause engine failure and performance problems. Replacement of the fuel filter will also help your fuel mileage and improve your horsepower. Ensure your truck is parked on flat, level ground before replacing the filter.

Things You'll Need

  • Channel-lock pliers
  • New fuel filter
  • Open the hood to access the engine compartment. Locate the fuel-filter housing on top of the engine. The fuel-filter housing is a round container.

  • Loosen the top of the fuel-filter bowl with large channel-lock pliers. This will loosen the housing. Unscrew the housing by hand once it is loosened.

  • Pull the filter out with your hands. The filter will come out of the housing freely with no obstructions.

  • Place the new filter in the housing. The filter should sit flush within the housing.

  • Replace the O-ring at the bottom of the cover. The filter will include a replacement O-ring. Rub diesel fuel around the new O-ring before placing around the fuel-filter housing lid.

  • Screw the cover to the housing with your hands. Tighten it with the large channel-lock pliers.

  • Close the hood.

Tips & Warnings

  • When purchasing this filter from the dealer, always bring the last eight digits from the Vehicle Identification Number so the dealer can sell you the appropriate filter.
  • Use caution when working around diesel engines. The fuel is very toxic.

Related Searches


  • "Ford Super Duty Pick-up & Excursion Haynes Repair Manual covering all Ford Super Duty F-250 & F-350 Pick-ups and Excursion models for 1999 thru 2006"; John Haynes; 2006
  • Photo Credit zapfsäule image by Udo Ingber from
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