Product Description
The AirDog A4SPBD105 FP-150-4G Air/Fuel Separation System is designed for 2004.5-2018 Dodge Ram and Ram trucks equipped with the Cummins 5.9L and 6.7L 24V diesel engine. Rated at 150 GPH, this AirDog 4G system delivers clean, air-free fuel to support improved throttle response, better fuel pressure stability, and increased protection for your injection system.
Built for stock to modified Cummins applications, the FP-150-4G removes entrained air, vapor, water, and debris from the fuel before it reaches the engine. This helps extend injector life, improve fuel quality, and maintain consistent fuel delivery under load, making it an excellent upgrade for towing, daily driving, and performance diesel builds.
Features
- 150 GPH Air/Fuel Separation System
- Designed for 2004.5-2018 Cummins 5.9L and 6.7L 24V applications
- Removes entrained air, vapor, water, and contaminants from diesel fuel
- Helps improve fuel pressure stability and throttle response
- Supports stock, towing, and modified diesel applications
- 4G motor technology for quiet and dependable operation
- Protects injectors and high-pressure fuel system components
- Complete frame-mounted fuel system upgrade
- Made in the USA
Fitment
- 2004.5-2007 Dodge Ram 2500 5.9L Cummins 24V
- 2004.5-2007 Dodge Ram 3500 5.9L Cummins 24V
- 2007.5-2018 Dodge Ram 2500 6.7L Cummins 24V
- 2007.5-2018 Dodge Ram 3500 6.7L Cummins 24V
- 2011-2018 Ram 3500 Cab & Chassis 6.7L Cummins 24V
- 2011-2018 Ram 4500 Cab & Chassis 6.7L Cummins 24V
- 2011-2018 Ram 5500 Cab & Chassis 6.7L Cummins 24V
What's Included
- AirDog FP-150-4G pump and filter assembly
- Fuel filters
- Frame rail mounting bracket
- Fuel hose and fittings
- Wiring harness
- Installation hardware
- Installation instructions
Specifications
- Brand: PureFlow AirDog
- Part Number: A4SPBD105
- Model: FP-150-4G
- Product Type: Air/Fuel Separation System
- Flow Rating: 150 GPH
- Fuel Type: Diesel
- Application: Cummins 5.9L and 6.7L 24V
- Vehicle Years: 2004.5-2018
- Mounting Location: Frame Rail
Cross Reference Numbers
- AirDog A4SPBD105
- A4SPBD105
- FP-150-4G
- AirDog FP150-4G
- PureFlow AirDog A4SPBD105
- AirDog 150 GPH Cummins Fuel System
Frequently Asked Questions
What trucks does the AirDog A4SPBD105 fit?
This AirDog FP-150-4G system fits 2004.5-2018 Dodge Ram and Ram Cummins trucks with the 5.9L or 6.7L 24V diesel engine.
How much fuel does this system flow?
The A4SPBD105 is rated at 150 gallons per hour, making it a strong upgrade for stock, towing, and modified Cummins diesel trucks.
What does an Air/Fuel Separation System do?
It removes air, vapor, water, and contaminants from the fuel supply before fuel reaches the injection system, helping improve fuel quality and protect expensive engine components.
Is this system good for modified Cummins trucks?
Yes. The 150 GPH flow rating makes this AirDog system a popular choice for modified 5.9L and 6.7L Cummins applications that require more consistent fuel delivery.
Does this kit include everything needed for installation?
Yes. The kit includes the pump assembly, filters, mounting bracket, wiring, fuel lines, fittings, hardware, and installation instructions.
