AirDog 100 (A4SPBC085)

AirDog 100 is recommended for your stock to slightly modified Duramax, has a fixed fuel pressure regulator at 8 PSI, and DOES NOT require bed removal or dropping fuel tank to drill for a new draw...

AirDog 150 (A4SPBC088)

AirDog 150 is recommended for your heavliy modified Duramax, has a fixed fuel pressure regulator at 8PSI, and DOES require bed removal or dropping fuel tank to drill for a new draw straw. Although it...

AirDog Fuel Filter (2 Micron) FF100-2 (FF100-2)

Replacement fuel filter for all AirDog I and Airdog II units.  2 Micron filter ensures great filtration while still pushing a lot of fuel!  Replace every year or 15,000 miles alogn with...

AirDog II 100 (A5SPBC259)

AirDog II 100 is recommended for your stock to slightly modified Duramax, has an adjustable fuel pressure regulator, and DOES NOT require removal of the bed or the dropping fuel tank to drill for a...

AirDog II 165 (2011-2014 LML) (A5SABC110)

AirDog II 165 is recommended for your heavily modified Duramax, has an adjustable fuel pressure regulator, and DOES NOT require removal of the bed or dropping the fual tank to drill for a new draw...

AirDog II 165 (A5SABC109)

DISCONTINUED PART NUMBER.  PLEASE SEE UPDATED INFORMATION AT: https://longhornfabshop.com/airdog-ii-165-4g-2001-2010-a6sabc409/ AirDog II 165 is recommended for your heavily modified...

AirDog II 165 4G (2001-2010) (A6SABC409)

The next generation in the fuel delivery system. The patented AirDog® II-4G has been quality engineered to remove entrained air and water vapor from diesel fuel. The result is a compact,...

AirDog II 165 4G (2011-2014 LML) (A6SABC410)

The next generation in the fuel delivery system. The patented AirDog® II-4G has been quality engineered to remove entrained air and water vapor from diesel fuel. The result is a compact,...

AirDog II 165 4G (2015-Present LML) (A6SABC413)

The next generation in the fuel delivery system. The patented AirDog® II-4G has been quality engineered to remove entrained air and water vapor from diesel fuel. The result is a compact,...

AirDog II 200 (A5SABC112)

AirDog II 200, is recommended for your extreme dedicated competition Duramax, has an adjustable fuel pressure regulator, and DOES NOT require removal of the bed or dropping the fuel tank to drill for...

AirDog Low Fuel Pressure (5 PSI) Indicator Light Kit (901-04-0003-3)

NO LONGER AVAILABLE:  PLEASE SEE: https://longhornfabshop.com/airdog-low-fuel-pressure-5-psi-indicator-light-kit-901-04-0004-4/ AirDog Low Fuel Pressure (5 PSI) Indicator Light Kit, threads...

AirDog Low Fuel Pressure (5 PSI) Indicator Light Kit (901-04-0004-4)

AirDog Low Fuel Pressure (5 PSI) Indicator Light Kit, threads into any AirDog or AirDog II and plugs into existing AirDog or AirDog II wiring harness. Indicator light can be mounted in the cab to...

AirDog Water Separator WS100 (WS100)

Replacement Water Separator for all AirDog I and Airdog II units.  Replace every year or 15,000 miles along with AirDog Fuel Filter (2 Micron) FF100-2    

Return Fuel Filler Tube Duramax 2001-2010 (001-4A-1-0200)

Replacement fill tube return piece required when taking an AirDog off one truck and installing it on another.