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Ford Diesel 08-10 Airdog Fuel Pump Air Water Separation Filtration System 150G

Part Number 3119
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Ford Diesel 08-10 Airdog Fuel Pump Air Water Separation Filtration System 150G
Ford Diesel 08-10 Airdog Fuel Pump Air Water Separation Filtration System 150G
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You are looking at AirDog fuel filtration/Water Separation system/lift pump 150GPH for the 2008-2010 6.4L Ford PowerStroke Diesel Trucks!!

As you can see this is the all new Airdog fuel system Quick Connect System!

Contact: For any questions and best service please feel free to call us at USAFD #406-543-3900

Here's some factory info>

The Original Fuel Air Separation System

The AirDog?? Fuel Preporator??, with the capability to provide fuel at flows and pressures beyond the maximum requirements of the engine, receives fuel under vacuum from the fuel tank containing entrained air/vapor, particulate contaminates and unknown quantities of moisture. The fuel passes through the water separator which removes the water and large particulate contaminates that could damage or jam the gearator fuel pump. The fuel, with only entrained air/vapor and tiny particulate contaminates remaining, enters the fuel pump.

The fuel, now under positive pressure flow, enters the filter. As the fuel passes through the filter media and the remaining particulate contaminates are caught and contained, the entrained air/vapor is also separated. Through the positive fuel air separation features of the patented Fuel Preporator?? the separated air/vapor is discharged from the filter through the Primary Air/Vapor Discharge Port and into the return to tank passage after the regulator. The fuel passing through the filter media (free of contaminates & power robbing air/vapor and at pressures and flows to meet the needs of the engine exits the fuel filter through two passageways. The fuel for the engine, passes into the fuel pickup tube and out to the engine).

The excess fuel not needed by the engine is released through the pressure regulator to combine with the air/vapor and foam as it returns to the fuel tank. The regulator controls the fuel pressure to the engine.

AirDog?? Benefits

The AirDog?? Fuel Preporator?? removes various contaminates, including entrained air/vapor, particulates and moisture, and removes excess fuel not needed by engines, allowing the fuel to flow through the regulator and return to the fuel tank. The separated air/vapor enters the return port after the regulator, allowing pure fuel to flow to the engine at a regulated positive pressure. A gerotor pump offers quiet, long lasting performance. Some benefits include:

  • Removes Air and Vapor from Diesel Fuel

  • Pure Diesel Fuel Reaching Engine

  • High Flow Rates of Fuel to Engine

  • Longer Injector Life

  • Increased Injection Pump Life

  • Increased Fuel Economy

  • Optimized Engine Performance

  • Increased Torque Output

  • Improves Throttle Response

AirDog?? Features

  • Small & Compact: Only 7??L X 10??T X 3.2??W

  • Single Piece Pump Body: Replaces the old 3 piece pump design reducing the number of parts, unit size, and weight. This results in a sleek, low profile pump assembly and eliminates the need for leaky, messy gaskets!

  • Mounts to frame: No Drilling required

How AirDog?? Works

All Diesel Engines Need a 'State of the Art' Fuel Filtration Delivery System!

The solution is Fuel Preporator?? ?? the only filtration delivery system that separates air from the fuel, as well as water and particulates, and maintains the proper pressure flow to the transfer pump, eliminating cavitation and vapor. Fuel Preporator significantly improves diesel engine performance and is approved for sale and use in California by CARB.

Fuel Preporator's effectiveness has been proven over millions of truck miles and verified by EPA & CARB Certified Olsen Ecological Laboratory testing under ISO 8178 8 Mode Test criterion. Discover how patented Fuel Preporator technology can deliver for you:

  • Increase fuel economy. (Extend fuel filter life)

  • Increase torque output. (Enjoy a quieter engine)

  • Improve throttle response. (Enjoy a smoother idle)

  • Reduce exhaust emissions. (Optimize engine performance)

Fuel Preporator?? Is Patent Protected


United States
5,355,860 - 5,746,184
5,529314 - 6,729,310


Additional U.S. & Foreign Patents Pending

Engineers Have Long Known About Entrained Air In Diesel Fuel

Cummins?? Engine Co., Service Topic 5-135 states:

"Like water, fuel contains a certain amount of dissolved air depending upon the fuel temperature, pressure on the fuel, specific gravity and the amount of aeration to which the fuel has been subjected."

Caterpillar??, Special Instruction 651-1250 points out:

"Normally No. 2 Diesel Fuel contains about 10% air in solution, although the air is not visible."

Milwaukee School of Engineering, Handbook of Hydraulics agrees:

"Hydraulic oils also contain varying degrees of entrained air."

Parker - Racor Technical Support confirms:

"Fact ##1; There is Air entrained in diesel fuel."

Caterpillar??, PEHP7046:

"Damage can be caused by anything in your fuel system that should not be there, including particles, heat, water and air bubbles."

"Air becomes entrained in diesel fuel through agitation from pumping and sloshing in the tank. Additionally, the engine's transfer pump, operating under a vacuum, as with the conventional filter system, has a limited pressure flow available. This limited flow, which is insufficient to fully fill the pump mechanism at higher operating RPM's, results in pump cavitation and vapor. At higher altitudes, atmospheric pressure, the force that drives fuel from the tank, through the lines and filter, and into the transfer pump, decreases. This increases cavitation even more. Conventional fuel filter systems do nothing to relieve these conditions. In fact, as the filter becomes more restrictive to the fuel flow as it plugs with use, these conditions become much worse!"

University of Illinois Department of Mechanical & Industrial Engineering, College of Engineering's study of diesel fuel concludes:

"Diesel fuel is vaporized in a conventional filtering system and is allowed to pass on to the injector system."

"Air is also allowed to pass on to the injector system."

"These phenomena are undesirable because the two-phase flow from the conventional filtering system not only reduces the mass flow rate from the fuel pump but also leads to a lag in injector timing. This lag in the injection of the fuel can have a considerable negative effect on the performance of a diesel engine."

"Unlike the conventional filtering system, the Fuel Preporator?? does not allow vaporized diesel fuel to be created, nor does the Fuel Preporator?? allow entrained air to be passed on to the engine. The Fuel Preporator?? eliminates the inconsistency that is found in a conventional fuel filtering system."

Entrained Air and Vapor in Diesel Fuel Causes Retarded Injection Timing!

Air and vapor are compressible. Their presence in the injector delays the pressure buildup and the injection. The delay of the injection results in retarded injection timing. Moreover, air in the fuel, no matter how small, remains a bubble. As a consequence, the amount of air entering the injector will vary from injection to injection. The more air/vapor present in the fuel the more retarded the injection timing, the less air/vapor present the less retarded the injection timing.

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