AIRDOG II-4G A6SPBD255 DF-100-4G 2019 to 2021 Dodge Cummins Air Fuel Separation System

Experience a streamlined Dodge Cummins fuel system upgrade with the advanced Airdog II-4G fuel air separator. Designed for 2019–2021 Dodge Ram trucks featuring the 6.7L Cummins ISB diesel engine, this system delivers a precise 100 GPH fuel flow at a preset 16–18 PSI. The Airdog II-4G effectively bypasses the factory in-tank pump, ensuring your fuel remains free of water, air, and debris for improved engine performance and reliability.

Key Benefits

• Consistent 100 GPH flow with a steady 16–18 PSI fuel pressure
• Efficient elimination of water, suspended particulates, vapor, and entrained air
• Simplified bolt-on installation with a comprehensive kit
• Optimized for performance upgrades from stock to higher power levels
• Made in the USA and CARB approved for confidence and compliance

Technical Details

• Engine: 6.7L Cummins ISB
• Compatible Years: 2019, 2020, and 2021
• Specifically designed for Dodge Cummins systems that require a refined air/fuel mixture

For optimal performance, consider upgrading your pump fuel supply with additional accessories such as a fuel sump or the AirDog Suction Tube Kit. This specialized upgrade is an ideal solution for automotive enthusiasts looking to purchase Airdog II-4G systems and achieve a dependable Dodge Cummins fuel system upgrade.

Discover more options in our AirDog 2-4G Fuel Air Separation Systems collection.