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Thumbnail Filmstrip of 7.3L Powerstroke II-5G 165GPH Fuel System Airdog A7SABF592 Images
2017+ Ford Release & 5G Information
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Unlock the true potential of your 7.3L Powerstroke with the AirDog II-5G 165GPH Fuel System. The factory fuel system on the 7.3L is notorious for churning fuel and introducing entrained air and vapor into the lines. This aerated fuel causes delayed injection timing, rough idling, hesitation, and premature injector wear. The AirDog II-5G completely eliminates these issues by delivering a pure, dense, and foam-free supply of diesel directly to your engine.
Designed for modified trucks with upgraded injectors or aggressive tuning, this 165 Gallon Per Hour (GPH) lift pump provides massive, consistent fuel flow to prevent starvation under heavy load. The state-of-the-art 5G demand-flow technology ensures the pump only sends the fuel your engine needs, reducing stress on the electric motor and returning less fuel to the tank.
The Power of Pure Fuel: Air Separation Technology
At the heart of the AirDog II-5G is its patented air separation system. Before the fuel ever reaches your high-pressure pump or injectors, it passes through the AirDog’s multi-stage filtration and separation process.
Removes Entrained Air and Vapor: Strips out the air bubbles that cause "cackle" and injection lag, resulting in significantly crisper throttle response.
Strips Water and Particulates: Advanced 2-micron filtration captures harmful debris and water, protecting your expensive HEUI injectors from scoring and failure.
Real-World Performance Benefits
Smoother Idle & Reduced Noise: Eliminates the classic 7.3L "cackle" caused by air bubbles in the fuel rail.
Restored Power & Throttle Response: Pure diesel burns more efficiently, delivering immediate power when you step on the pedal.
Optimized Fuel Economy: Proper injection timing and complete fuel atomization can lead to noticeable gains in MPG.
Extended Injector Life: By preventing cavitation and filtering out microscopic contaminants, the AirDog II-5G drastically extends the lifespan of your fuel system components.
Key Features
165 GPH Flow Rate: Supports modified 7.3L Powerstrokes (up to approximately 800 HP).
5G Demand-Flow Technology: Reduces fuel recirculation and pump wear.
Fully Adjustable Fuel Pressure: Integrated regulator allows you to fine-tune pressure for your specific setup.
Quiet Operation: Re-engineered pump shaft and bearing design for whisper-quiet performance.
Complete Installation Kit: Includes all necessary fuel lines, fittings, wiring harness, and mounting hardware for a clean, professional install.
Unlock the true potential of your 7.3L Powerstroke with the AirDog II-5G 165GPH Fuel System. The factory fuel system on the 7.3L is notorious for churning fuel and introducing entrained air and vapor into the lines. This aerated fuel causes delayed injection timing, rough idling, hesitation, and premature injector wear. The AirDog II-5G completely eliminates these issues by delivering a pure, dense, and foam-free supply of diesel directly to your engine.
Designed for modified trucks with upgraded injectors or aggressive tuning, this 165 Gallon Per Hour (GPH) lift pump provides massive, consistent fuel flow to prevent starvation under heavy load. The state-of-the-art 5G demand-flow technology ensures the pump only sends the fuel your engine needs, reducing stress on the electric motor and returning less fuel to the tank.
The Power of Pure Fuel: Air Separation Technology
At the heart of the AirDog II-5G is its patented air separation system. Before the fuel ever reaches your high-pressure pump or injectors, it passes through the AirDog’s multi-stage filtration and separation process.
Removes Entrained Air and Vapor: Strips out the air bubbles that cause "cackle" and inj[...]
Unlock the true potential of your 7.3L Powerstroke with the AirDog II-5G 165GPH Fuel System. The factory fuel system on the 7.3L is notorious for churning fuel and introducing entrained air and vapor into the lines. This aerated fuel causes delayed injection timing, rough idling, hesitation, and premature injector wear. The AirDog II-5G completely eliminates these issues by delivering a pure, dense, and foam-free supply of diesel directly to your engine.
Designed for modified trucks with upgraded injectors or aggressive tuning, this 165 Gallon Per Hour (GPH) lift pump provides massive, consistent fuel flow to prevent starvation under heavy load. The state-of-the-art 5G demand-flow technology ensures the pump only sends the fuel your engine needs, reducing stress on the electric motor and returning less fuel to the tank.
The Power of Pure Fuel: Air Separation Technology
At the heart of the AirDog II-5G is its patented air separation system. Before the fuel ever reaches your high-pressure pump or injectors, it passes through the AirDog’s multi-stage filtration and separation process.
Removes Entrained Air and Vapor: Strips out the air bubbles that cause "cackle" and injection lag, resulting in significantly crisper throttle response.
Strips Water and Particulates: Advanced 2-micron filtration captures harmful debris and water, protecting your expensive HEUI injectors from scoring and failure.
Real-World Performance Benefits
Smoother Idle & Reduced Noise: Eliminates the classic 7.3L "cackle" caused by air bubbles in the fuel rail.
Restored Power & Throttle Response: Pure diesel burns more efficiently, delivering immediate power when you step on the pedal.
Optimized Fuel Economy: Proper injection timing and complete fuel atomization can lead to noticeable gains in MPG.
Extended Injector Life: By preventing cavitation and filtering out microscopic contaminants, the AirDog II-5G drastically extends the lifespan of your fuel system components.
Key Features
165 GPH Flow Rate: Supports modified 7.3L Powerstrokes (up to approximately 800 HP).
5G Demand-Flow Technology: Reduces fuel recirculation and pump wear.
Fully Adjustable Fuel Pressure: Integrated regulator allows you to fine-tune pressure for your specific setup.
Quiet Operation: Re-engineered pump shaft and bearing design for whisper-quiet performance.
Complete Installation Kit: Includes all necessary fuel lines, fittings, wiring harness, and mounting hardware for a clean, professional install.
Q
Donny • 02/21/2025, 1:14:28 PM
Do I need to do a fuel bowl delete with this kit?
A
02/24/2025, 4:19:12 PM
It's designed to work with the existing fuel system. It's recommended to add the fuel bowl delete.
Q
Todd • 04/13/2026, 10:45:28 PM
Do I need to drop tanks for any reson
A
04/14/2026, 1:49:03 PM
You can find the installation instructions on the product page. Look for the installation Instruction tab.
Proposition 65 Warning Information -
P65Warnings.ca.gov
Fits: Fits All FASS
Fits: 7.3|6.0 Powerstroke 1999-2007 (900-1200 HP)
Fits: For Fass Fuel Systems (Use For Dual Heater Or As Replacement)
Fits: 7.3/6.0 Powerstroke 2000-2005 Excursion (700-1000 HP)
California Restricted
Fits: 7.3|6.0 Powerstroke 1999-2007