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Description
Airdog II-5G 100 GPH Air Fuel Separation Lift Pump System 08-10 Ford 6.4L PowerstrokeThe 6. 4L Powerstroke was Fords first go at utilizing a common rail fuel system, compared to their previous HEUI systems found earlier trucks. With this change in fueling, Ford was able to get impressive power numbers in stock form, but it was quickly realized that by merely adding a good programmer, you could easily add another couple hundred horsepower. But, can this new factory fuel system support this kind of power? No, definitely not. The good
The 6.4L Powerstroke was Fords first go at utilizing a common rail fuel system, compared to their previous HEUI systems found earlier trucks. With this change in fueling, Ford was able to get impressive power numbers in stock form, but it was quickly realized that by merely adding a good programmer, you could easily add another couple hundred horsepower. But, can this new factory fuel system support this kind of power? No, definitely not. The good news is for these kinds of power gains, the only thing you'll need to add to the truck is a good aftermarket lift pump, such as this 5G unit from AirDog.
The AirDog II-5G is an all in one premium fuel pump and filtration system for your 2008-2010 6.4L Powerstroke diesel. This system removes water, particulates, and entrained air from the diesel fuel. The entrained air that is separated from the fuel is returned to the tank through a small return fitting. The fuel is delivered to the engine at the correct pressure and flow rate to meet the demands of the engine under all operating conditions.
The AirDogII-5G DF-100 systems feature a built in adjustible diaphragm pressure regulator. All AirDog II-5G systems include a complete installation kit. The AirDog II-5G, for this particular application, is preset at 10 psi from the factory for a stock application. The regulator is adjustible up to 55 PSI so you can fine tune the system to perfectly match up to your current and future performance upgrades.
HOW IT WORKS:
The AirDog II-5G DF-100 draws fuel through a 5/8” suction line to reduce the risk of cavitation at the pump. The fuel is then drawn through the water separator where 92% of water is removed per SAE spec 1488. It is then pressurized through a Gerotor pump and sent to the 2 micron fuel filter before it is sent to the injection pump. The air from aerated fuel, due to tank sloshing and engine return lines, is separated and sent back to the tank through the 3/8” return fitting. The excess fuel that the engine does not use is recirculated through the diaphragm regulator back to the suction side of the pump.
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4.2 ★★★★★
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Product Reviews
★★★★★ 5
Best tasting!
Flavor Name: Butterscotch
Fantastic flavor. All thumbs up. Have purchased many other commercial butterscotch flavors. This is my favorite.
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Reviewed in the United States on March 23, 2026
★★★★★ 5
The taste is yummy
Flavor Name: Butterscotch
Delish!
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Reviewed in the United States on March 27, 2026
★★★★★ 5
great flavor
Flavor Name: Butterscotch
great flavor.
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Reviewed in the United States on March 23, 2026
★★★★★ 5
Works great for butterbeer
Flavor Name: Butterscotch
Taste delicious. I bought this to make a Harry Potter butterbeer and it works well.
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Reviewed in the United States on March 27, 2026
★★★★★ 5
Great product, thoughtful design, great customer service
Color: Black, Size: 40 oz
I don't write a lot of reviews, but I felt like this product deserved one. This is an excellent cold brew maker. It is very easy to use and has a great 1,200 mL capacity. The plastic construction is more versatile (less fragile) than other brewers made from glass. The filtration system eliminates the sludge that other brew systems leave. The packaging is very thoughtful - a scoop and sponge are included. The scoop is easily overlooked, but it is the perfect size to clean the used grounds out of the filter. The sponge is an unexpectedly useful form factor to help with cleaning. Hopefully the sponges can be ordered separately, since sponges don't last forever.
Some minor downsides:
Cleaning is moderately easy, but the only component that is recommended for the dishwasher is the pitcher (which is also easiest to clean by hand). All of the other elements are recommended for hand washing, which doesn't take long.
The way the filter is configured, the pitcher will work most effectively if stored (at least for part of the brew cycle) on its side. However, there is a vent in the lid that is prone to leaking when the pitcher is stored on its side. Brewing upright can lead to the top grounds not getting exposed to water.
Unfortunately, one of the pieces broke during routine use after a couple of months: the pitcher lid is attached with a couple of hinges that snap the lid into place on the pitcher. One of the hinge attachments broke. I contacted customer service and a replacement pitcher arrived four days later. I'd recommend being careful with these hinge attachments as they seem prone to break. At the same time, the customer service is very responsive and suggests that they take support of their products seriously.
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Reviewed in the United States on May 1, 2025