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6.7L Cummins '07.5-'09

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!

  • AirDog II (DF200): 2005-2010 Dodge Cummins 5.9L, 6.7L
    AirDog II (DF200): 2005-2010 Dodge Cummins 5.9L, 6.7L
    AirDog II (DF200): 2005-2010 Dodge Cummins 5.9L, 6.7L 200 GPH preset. 2005-2010     Preset@15-17psiNEW Quick Connect for Faster Installation Increased Fuel Economy and Performance • removes...
    $836.00 $739.00
  • AirDog II-4G (DF-165-4G): 2005-2010 Dodge Cummins 5.9L, 6.7L
    AirDog II-4G (DF-165-4G): 2005-2010 Dodge Cummins 5.9L, 6.7L
    AirDog II-4G(DF-165-4G):2005-2010 Dodge Cummins 5.9L, 6.7L 165 GPH Preset 2005-2010     Preset@15-17psi NEW Quick Connect for Faster Installation Increased Fuel Economy and Performance •...
    $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