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Description
Airdog II-5G Air Fuel Separation Lift Pump System 94-98 Dodge 5.9L 12 Valve CumminsFrom the factory, 12 Valve Cummins have a mechanical lift pump that actually works pretty good at maintaining adequate fuel pressure to the P7100 injection pump at stock and slightly above stock power levels. That said, its almost TOO easy to add power to a 12 valve through pump and injector upgrades, which now tasks this stock pump, not allowing for the full power potential of the performance upgrades you're making. The AirDog II 5G is an all in one
From the factory, 12 Valve Cummins have a mechanical lift pump that actually works pretty good at maintaining adequate fuel pressure to the P7100 injection pump at stock and slightly above stock power levels. That said, its almost TOO easy to add power to a 12 valve through pump and injector upgrades, which now tasks this stock pump, not allowing for the full power potential of the performance upgrades you're making.
The AirDog II-5G is an all in one premium fuel pump and filtration
system for your 12 Valve Cummins 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 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 30
psi from factory for a stock application. The regulator is adjustible up
to 70 PSI for the 165 GPH unit and 55 PSI for the 220 GPH version 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 draws fuel from the fuel tank through a 1/2” suction line and the DF-220 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.
Shipping Notes
- Free Standard Shipping on $100+ Orders 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
4.8 ★★★★★
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Product Reviews
★★★★★ 4
Refreshing
It is a refreshing spritz, but I can't tell much difference between it and a good splash of water in the morning.
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Reviewed in the United States on January 30, 2026
★★★★★ 5
Worth it!
Amazing product!
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Reviewed in the United States on January 31, 2026
★★★★★ 1
Que no vale la pena comprarlo
No vale la pena el producto y ademas es carísimo
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Reviewed in the United States on December 5, 2025
★★★★★ 5
Amazing for makeup
Best best best spray for spf and for over makeup and with makeup brushes
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Reviewed in the United States on January 1, 2026
★★★★★ 5
This spray serum is lovely!
This spray serum is very nice! First, let me qualify that my husband works in dermatology and I have access to high-end skin care products. I’ve taken good care of my skin for years and it’s already in great shape, so I never expect to see dramatically-improved results from any new product. That said, I was pleased with the Color Science Barrier Pro Serum Spray sent to me by Amazon Vine in return for my honest review. Does it make me look 10 years younger? No, but there is a “glow” after I spritz myself face that isn’t greasy or glittery, just skin that is hydrated and calm. The mist is very fine and doesn’t disturb my makeup, there’s no discernible scent, and it doesn’t sting my skin or eyes. It dries quick enough, maybe 30 seconds after I spritz it on. I’m not sure what to make of the claims that it helps my skin make its own vitamin D, but my skin feels refreshed and looks nice. I keep the spray bottle in my purse and use it throughout the day. It’s expensive emoji that I’d hesitate to purchase, but having used it, ai know the spray mist is extremely fine so it should last quite a while, even using it 3-4 times a day.
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Reviewed in the United States on November 13, 2025
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