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7.3L Powerstroke '99-'03

Air Dog II Fuel System Fuel Air Separator from Pure Flow Diesel Improves Fuel Economy and Mileage, Optimizes Engine Performance, Provides Longer Injector Life, Improves Throttle Response, Removes Air from Fuel Lines Resulting in Quieter Running Engine!
From the makers of the Original Air Dog Fuel Air Separation System.

This patented fuel system efficiently removes air/vapor from your 
diesel fuel for improved fuel economy and performance.

The AirDogII® Fuel/Air Separation System is a one of a kind product that features Demand Flow and an Adjustable Regulator that lets you fine tune your fuel system for increased fuel economy, power, and performance!

  • AirDogII (DF165): 1999-2003 FORD 7.3L
    AirDogII (DF165): 1999-2003 FORD 7.3L
    AirDogII (DF165-4G): 1999-2003 FORD 7.3L Replaces high pressure fuel pump 165 GPH Preset  Preset@50-55psi  Increased Fuel Economy and Performance • removes air/vapor from diesel fuel• allows pure...
    $849.00 $739.00
  • AirDog II Water Separator Filter Replacement
    AirDog II Water Separator Filter Replacement
    AirDog II Replacement Filters Water Separator Filter     Increased Fuel Economy and...
    $32.00 $29.00
  • AirDog II 2 Micron Fuel Filter Replacement
    AirDog II 2 Micron Fuel Filter Replacement
    AirDog II Replacement Filters 2 Micron Fuel Filter     Increased Fuel Economy and...
    $32.00 $28.00