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USD 765
Part #: PTA6SABF493

AirDog II-4G A6SABF493 DF-165-4G Air/Fuel Separation System

2003-2007 Ford 6.0L Powerstroke
Part #: PTA6SABF493
★★★★★ ★★★★★ 8 Reviews
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The PureFlow AirDog II-4G A6SABF493 DF-165-4G Air/Fuel Separation System for your 2003-2007 Ford 6.0L Powerstroke is the next generation in the fuel delivery system, resulting in a long lasting, efficient and quiet lift pump. The compact AirDog II-4G provides the most effective technology designed specifically for diesel pickups to remove water, particulates, vapor and entrained air from diesel fuel, all while increasing power and performance.

The design of the patented AirDog II-4G features many innovative improvements for increased pump performance, less noise and less maintenance. The AirDog II-4G utilizes an intermediate pump shaft that moves the electric motor away from the fuel. This eliminates any potential for wet motors due to a damaged or leaking seal. The motors self-aligning capability requires less maintenance and increases the systems endurance, resulting in a longer pump life. The low amperage motor also provides longer drivability and contributes to a significant reduction in noise. 

AirDog® is proud to announce that the AirDog II-4G® is the quietest fuel system in the diesel market! 

  • Preset @ 50-55 PSI 
  • Supports 500HP-800HP 
  • Flows 165 Gallons Per Hour 
  • Improved Throttle Response 
  • Smoother Idle & Acceleration

Vehicle Applications

2003 Ford 6.0L Powerstroke
2004 Ford 6.0L Powerstroke
2005 Ford 6.0L Powerstroke
2006 Ford 6.0L Powerstroke
2007 Ford 6.0L Powerstroke


  • MFG. Number A6SABF493
  • Manufacturer Name AirDog by PureFlow
  • Shipping Weight 27.00 lb.
  • Shipping Length 19 in.
  • Shipping Width 13 in.
  • Shipping Height 7 in.
  • Fuel Type Diesel
  • EO Number d-595-3
  • UPC 813094019939
  • Warranty Yes
  • Warranty Info Limited Lifetime
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Internal L0R0


★★★★★ ★★★★★
4.6/5 Stars out of 8 Reviews
Verified Buyer
Excellent quality, fast shipping, clear instructions. Runs much quieter that any other pump I’ve heard. Holds pressure and reliable. Second pump I’ve purchased because so happy with the first. (For two different trucks no issues with first pump after a year of daily driving)
Easy install and easy to adjust fuel pressure
Product came 1 day early which was great! My pump had been just completely dieing out on me for a few days now and once I got it everything was packaged nicely and neatly the directions were good easy to follow for the most part everything was included and they give you plenty of fuel line!
Easy install works great
Im pretty dumb and this was the easiest install ive ever had, works great and is a little quieter then the stock one.
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Questions and Answers

Does this come with the 1/2 hose and all the hardware to install?
View Staff Answer 
Yes, this kit comes with everything you need to install it.
Does this require any additional pump, like a lift pump or??
View Staff Answer 

The AIRDOG II-4G A6SABF493 DF-165-4G AIR/FUEL SEPARATION SYSTEM is a complete fuel pump, fuel/air separation system for a 2003-2007 Ford 6.0L Powerstroke. It will include all components needed to complete the installation including: Fuel pump system, fuel lines, wiring harness, mounting brackets, etc.

Does this require the purchase of a regulated return system to be installed? If not is it recommended to buy one?
View Staff Answer 

A regulated return setup is not required when installing an AIRDOG II-4G A6SABF493 DF-165-4G AIR/FUEL SEPARATION SYSTEM but it is highly recommended .

Check out the XDP Regulated Return Fuel System!

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