AirDog II-4G A5SABF388 DF-165-4G 2011-2016 6.7L Ford Diesel Air Fuel Separation System

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SKU: AirDog II-4G A5SABF388

2011 To 2016 Ford 6.7L AirDog II-4G Diesel Fuel System

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Sale price$550.00 Regular price$849.00

AirDog II 4G 2011 to 2016 Ford Diesel 165 GPH @ 10 PSI - A6SABF388

The AirDog DF-165 4G Air-Fuel Separation System Lift Pump Applications:

  • 2011 to 2016 Ford F-250 Super Duty trucks with the 6.7L Powerstroke
  • 2011 to 2016 Ford F-350 Super Duty trucks with the 6.7L Powerstroke
  • 2011 to 2016 Ford F-450 Super Duty trucks with the 6.7L Powerstroke
  • 2011 to 2016 Ford F-550 Super Duty trucks with the 6.7L Powerstroke

The PureFlow AirDog II-4G A6SABF388 DF-165-4G Air/Fuel Separation System is designed for use on the 2011 to 2016 Ford vehicles equipped with the 6.7L Diesel engine. The PureFlow AirDog II-4G is the next generation in lift pump fuel delivery. The compact AirDog II-4G fuel air separation system provides increased engine performance as a long-lasting, efficient quiet lift pump. The compact AirDog II-4G provides the most effective technology designed specifically designed for the effective removal of water, suspended particulates, vapor, and entrained air from diesel fuel.

This AirDog II-4G DF-165-4G 6.7L Ford Diesel Air Fuel Separation System is brand new and sealed, with a lifetime manufacturer's warranty. This lift pump is specially made for 2011-2016 6.7L Powerstroke diesel engine vehicles, and will provide up to 165 gallons of fuel per hour. No returns or exchanges are allowed, so be sure to select the right pump for your needs before purchasing.

The AirDog lift pump returns the fuel Air/Vapor back to the tank through a filler neck tee. This PureFlow AirDog II-4G A6SABF388 lift pump system is sold as a complete kit with all required parts for a straightforward installation. Our Diesel kits usually see the largest performance gains as these trucks do not come with a lift pump from the factory. This is a 165 Gallon Per Hour fuel system for moderately modified trucks between five hundred and eight hundred Horsepower. 

The AirDog II-4G A5SABF388 DF-165-4G 2011-2016 6.7L Ford Diesel Air Fuel Separation System is the perfect choice for Ford 6.7L Powerstroke Diesel engines. It features a 165 GPH lift pump, allowing your engine to run at its peak performance. This item is final sale so please ensure you are ordering the correct pump for your engine before purchasing.

KLM Performance is an Authorized AirDog Dealer, and we STRONGLY RECOMMEND that before you begin the installation of your AIRDOG II-4G A6SABF388 DF-165-4G Fuel System you complete the registration of the Lifetime PureFlow AirDog Warranty online at

NOTE: This is a High flow and low-pressure diesel fuel lift pump that requires an unrestricted flow of diesel fuel to the lift pump. It is suggested for this higher performance Lift Pump that you upgrade your pump fuel supply with a Fuel Sump or The AirDog Suction Tube Kit - 901-01-0351-QC kit allows for a larger volume of diesel fuel to be retrieved by the fuel pump. This is important for high-performance Ford Motor Company and Ford Super Duty Diesel applications that demand a large amount of diesel fuel for aggressive fueling upgrades.

The AirDog II 4G Series Lift Pump is the latest version of the high-performance diesel fuel lift pumps. The Titanium Signature Series Fuel Pump incorporates the latest features and fuel pump improvements. This AirDog II 4G 2011to 2016 Ford Powerstroke Diesel 165 GPH @ 10 PSI - A6SABF388 diesel fuel system is the top-performing, longest lasting and most reliable aftermarket diesel fuel filtration system available. 

The AirDog Ford Air Fuel Separation System for the 2011 to 2016 Ford Motor 6.7L Diesel provides the purified fuel, correct fuel pressure, and delivery volume to ensure the optimal engine operation and long, trouble-free life of your entire fuel injection system. 

  • New Bolt-On Frame Bracket Installation
  • Preset at 10 PSI Fuel Pressure
  • Complete Replacement Pump
  • 165 Gallons Per Hour Flow Rating
  • An adjustable regulator provides a means to fine-tune the system for performance upgrades.
  • The pressure Regulator allows you to set fuel pressure to meet your exact needs.
  • Removes Water, Air, and Debris From Diesel Fuel
  • 2 Micron Filtration Rating
  • Protects and Extends The Life Of Your Fuel Injectors and Fuel Injection System
  • Improved Cold Weather Starts
  • Decreases Carbon Monoxide and Carbon Dioxide Emissions by providing increased levels of fuel combustion.
  • ½ Inch Fuel Lines and Ports with the SAE J2044 Quick Connect System simplifies installation.
  • The AirDog® II DF-165 is recommended for stock to moderately modified Diesels.
  • The AirDog® II DF-165 offers a compact size of 7” Long X 3.2” Wide X 10” Tall.
  • Fuel Mileage Improvement
  • Improved Fuel Volume Delivery
  • Smoother Engine Idle
  • Limited Lifetime Warranty
  • 30,000 Mile Filter Life Expectancy
  • Quietest Motor On The Market


NOTE: AIRDOG II-4G A6SABF388 DF-165-4G AIR-FUEL SEPARATION SYSTEM is approved for sale in California with a CARB E.O. number on file with the California Air Resources Board. 

NOTE: This PureFlow AirDog A5SABF388 Serial Number 607312 IS A BRAND NEW PUMP IN A SEALED FACTORY BOX sold as A GARAGE SALE item with a discounted price backed by a Lifetime Manufacturers Warranty. This Ford Lift Pump is a FINAL SALE item, No returns or exchanges or credit will apply to this sale. Please ensure you have ordered the correct 165 GPH lift pump for your 6.7L Powerstroke Diesel Engine to meet your needs before purchasing this product.

The PureFlow® AirDog® DF-165 Fuel Air Separation Fuel Air Separation Systems for the Ford Super Duty Trucks with the 6.7L Diesel Engines are MADE IN THE USA!

  • by KLM Performance
  • Engine : 6.7L Diesel
  • Flow Rate: One Hundred Gallons Per Hour
  • Fuel Delivery Pressure:  10 To 65 PSI.
  • Power Level: Five Hundred to Eight Hundred Horsepower
  • Make: Ford Motor Company
  • Model: F250, F350, F450, F550 6.7L Diesel
  • Year: 2011 | 2012 | 2013 | 2014 | 2015 | 2016
  • Manufacturer Part No: A6SABF388
  • Product Application: 2011 to 2016 Ford F250, F350, F450, F550 super duty trucks with the 6.7L Powerstroke diesel engine.
  • FAQ:  Why do I need to install an Aftermarket Lift Pump on my Diesel engine? If you want to increase the performance or power level of your Diesel engine you will need to ensure you obtain the proper flow of purified diesel fuel. Today is very simple to just add aftermarket performance parts to obtain more power. One of the primary principles to obtain increased power is the ability to provide more fuel at the proper pressure and delivery rates. This is where the PureFlow AirDog-II 4G Series Lift Pump comes in. The diesel engine holds the top spot for the most efficient internal combustion over all other engine types, adding a new diesel fuel pump to your diesel engine can vastly increase its performance output level. What does the PureFlow AirDog II-4G Pump do? The AirDog® II draws fuel from the fuel tank, removing water, particulates, and air/vapor. The fuel supplied to the Injection Pump is now purified and pressurized with a regulated flow based upon the demand placed upon your Diesel engine. Where does this lift pump provide fuel to? This pump supplies fuel to the factory lift pump at 10 PSI.
  • Part Number: A5SABF388
  • Manufacturer: AIRDOG
  • Product Note: This is a discounted GARAGE SALE product that is FINAL SALE. This is a high-flow, low-pressure fuel air separation system which allows you to bypass the OEM fuel filter bowl and supply purified fuel directly to the factory lift pump on your 6.7L Ford Powerstroke Diesel.


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