Optimize the fuel system of your 2019–2021 6.7 Cummins with the Airdog II-5G A7SPBD255 DF-100-5G Air/Fuel Separation System. This advanced system is designed to enhance both fuel flow and engine efficiency, providing a reliable, high-performance solution for your truck. The integrated diaphragm fuel pressure regulator ensures consistent fuel delivery, while the 100 GPH fuel pump supports improved fuel flow under pressure, leading to better engine performance.

Equipped with the Maintains Reliable & Quiet 4G Motor Technology, this system operates quietly and efficiently, reducing aeration from low flow return. It also features larger ports compared to previous models, boosting overall fuel system efficiency. The demand flow design incorporates durable 12-gauge wiring and includes all necessary plumbing and installation hardware, making installation straightforward for both seasoned pros and first-time DIYers.

Backed by a Lifetime Limited Warranty, this air/fuel separation system provides long-term reliability and peace of mind, ensuring your Cummins engine operates at peak performance.

Key Features:

• Integrated diaphragm fuel pressure regulator for consistent fuel flow
• 100 GPH fuel pump for enhanced fuel flow and engine efficiency
• Quiet 4G motor technology for reduced noise and smoother operation
• Larger ports for increased fuel system efficiency
• 12-gauge wiring and complete installation hardware included
• Demand flow design with reduced aeration from low flow return
• Lifetime Limited Warranty for added peace of mind

Improve fuel efficiency and engine reliability with the Airdog II-5G A7SPBD255 DF-100-5G Air/Fuel Separation System—the ideal upgrade for 6.7 Cummins owners seeking optimal performance.