First Fit (FF) Markings on Diesel Fuel Conditioning Module (DFCM) – Fuel Filter Usage or Replacement – 2011-2016 Ford F-Super Duty
2011-2016 F-Super Duty – 6.7L Diesel – First Fit (FF) Markings on Diesel Fuel Conditioning Module (DFCM) – Fuel Filter Usage And/Or Replacement 2011-2016 Model Year F-250-550 Super-Duty trucks equipped with 6.7L Engines have Diesel Fuel Conditioning Module (DFCM) filters marked with Factory Installed FI identification on the filter end cap. Factory Installed FI … Read more