AirDog

Shop the full lineup of AirDog fuel systems and lift pumps at Southern Diesel Supply. AirDog air/fuel separation systems deliver clean, air- and vapor-free diesel to your injection pump — improving horsepower, throttle response, fuel economy, and injector life on Cummins, Duramax, and Powerstroke trucks.

AirDog systems we carry

• AirDog II-4G & II-5G — flagship air/fuel separation systems
• AirDog 4G lift pumps — 100, 150, and 165 GPH options for stock-to-performance builds
• AirDog Raptor — direct-fit replacement lift pumps for stock fuel systems
• Replacement fuel filters, water separators, and service kits

Shop AirDog by engine

• Dodge & Ram Cummins — 5.9L 12-valve & 24-valve, 6.7L
• Chevy & GMC Duramax — LB7, LLY, LBZ, LMM, LML, L5P
• Ford Powerstroke — 6.0L, 6.4L, 6.7L

Not sure which AirDog system fits your truck? Match the kit to your year, make, and engine — or reach out to our team for help dialing in the right GPH and mounting setup.