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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 filters are only available as original equipment filters in the DFCM from vehicle production assembly plant or in new DFCM service assemblies.
Factory Installed FI fuel filter identification should be used by Dealers to confirm customers are following required DFCM filter change intervals.
Frame mounted DFCM filter should be replaced to recommended service interval and/or depending on vehicle usage profile (Normal/Severe/Extreme) and fuel quality.
Reference Diesel Supplement for required vehicle filter maintenance intervals and information.
