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Description
Airdog 4G Air Fuel Separation System 08-10 6.4L Ford PowerstrokeOne of the biggest killers to engines, horsepower, and reliability are poor fuel quality and inadequate fuel delivery. The AirDog 4G is designed to alleviate all of these issues. By delivering enhanced filtration and water separation, you can be assured that your injectors are only receiving clean fuel that is free of aeration which increases fuel atomization. Further, by delivering either 100 or 150 gallons per hour (GPH) of fuel, you will never
One of the biggest killers to engines, horsepower, and reliability are poor fuel quality and inadequate fuel delivery. The AirDog 4G is designed to alleviate all of these issues. By delivering enhanced filtration and water separation, you can be assured that your injectors are only receiving clean fuel that is free of aeration which increases fuel atomization. Further, by delivering either 100 or 150 gallons per hour (GPH) of fuel, you will never leave your cylinders starved for fuel, from stock up to 500+ rear wheel horsepower!
AirDog 4G is designed to operate at flows and pressures beyond the maximum requirements of the engine. It receives fuel under vacuum from the fuel tank containing entrained air/vapor, particulate contaminates and unknown quantities of water.
The fuel passes through the water separator which removes the large particulate contaminates that could damage or jam the gear rotor 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 fuel 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 AirDog 4G the separated air/vapor is discharged from the filter and back to the fuel tank through the Primary Air/Vapor Discharge Port.
The fuel passing through the filter media is now free of contaminates and power robbing air/vapor. At pressures and flows able to meet the needs of the engine, it exits the fuel filter through two passageways. First, the fuel for the engine passes into the fuel pickup tube and on to the engine. Then, the excess fuel not needed by the engine recycles internally through the pressure regulator back to the water separator.
Unsure of whether you need the Airdog 100 or the Airdog 150? - Put it this way...if your truck is stock, or moderately stock(up to 500hp) you want the 100. If you've added a 100hp tuner or larger(500hp+), you will want the 150. If you have any questions, give us a call
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Clean Formula Deodorant with a More Natural Feel and Strong Performance
Scent: Neroli & Basil, Size: 2.6 Ounce (Pack of 1)
I really like the clean feel and the scents are honestly a standout—they feel more like a light perfume than a typical deodorant. The application is smooth and it looks and feels like a more “luxury” product.
That said, it doesn’t consistently hold up throughout the day for me, especially on busy or long days. It works okay for lighter wear, but I expected a bit more reliability for the price and hype.
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Reviewed in the United States on May 3, 2026
★★★★★ 5
The Best Switch Ever!!!!
Scent: Santal & Vetiver, Size: 2.6 Ounce (Pack of 1)
OMG!!! I’m truly impressed with how this product holds up throughout the day + Its invigorating scent is a constant reminder that it’s doing its job, even during my busiest hours. The texture is silky when applying, and I love that the ingredients are healthier for my skin. The application is effortless and leaves no residue or stickiness, unlike some other products I’ve tried before switching to Salt and Stone. You should definitely give it a try; every fragrance is absolutely delightful, and you’ll surely receive compliments on how great you smell!
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Gentle product that works well
Scent: Santal & Vetiver, Size: 2.6 Ounce (Pack of 1)
I am not able to use antiperspirants due to allergy and have to rely on deodorant like this. I sweat a lot since I have hyperhydrosis so it becomes a problem
This product is gentle and does not cause any allergies but does the job pretty well to keep a good smell. I do have to reapply it - its not a 12 hours effect.
There isn't a white residue on my shirts (at least that i can notice). Its smooth and applies well
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Reviewed in the United States on May 24, 2026
★★★★★ 4
Works great, gonna order a different scent next time
Scent: Santal & Vetiver, Size: 2.6 Ounce (Pack of 1)
It does it's job and I tried it out for 48 hrs and it did prevent odors. Low activity level those days but it did hold up. However, reading the reviews I had high expectations for the santal vetiver scent and ended up ordering it. That's the only thing I do not like about this deodorant. The smell. It's okayyyyyy but not my favorite or pleasant to my nose in any way. I do like how it feels, the ingredients, that's it's small company owned, it works well for what it's supposed to do and it's easy to apply. I just wish I would've ordered another smell. Because it's expensive enough that I won't be replacing it until it's completely gone. So maybe I'll learn to love the smell but so far, nope not at all lol
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Reviewed in the United States on March 16, 2026
★★★★★ 5
Clean, Long‑Lasting Protection Without Irritation
Scent: Bergamot & Hinoki, Size: 2.6 Ounce (Pack of 1)
This deodorant is a great pick if you want something aluminum‑free that actually holds up through a full day. The formula goes on smooth, doesn’t feel sticky, and dries down quickly without leaving residue on clothes. It has a clean, fresh scent that isn’t overpowering, and it stays consistent as the day goes on.
What I appreciate most is how gentle it is — no burning, no irritation, and no chalky buildup. Even with the softer feel, the protection is strong and lasts well through heat, errands, and everyday activity. It’s one of those deodorants that feels more “skincare‑forward” than chemical‑heavy.
If you’re looking for a natural option that still delivers real staying power, this one is a solid upgrade.
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Reviewed in the United States on May 23, 2026