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  • Airdog 4G Lift Pump Duramax
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Airdog II 4G Fuel Lift Pump 165GPH For 2001-2010 Silverado Sierra Duramax Diesel

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Product Description

AirDog II-4G DF-165 fuel system for the 2001-2010 Duramax 6.6L Diesel

This system mounts to the frame rail using the supplied sandwich plate mounting system. The suction side hooks up to the factory suction fitting in the fuel module. The pressure side connects directly to the factory injection pump feed line on the frame. The AirDog Air/Vapor return is sent back to the tank through a filler neck tee. This system is one of our easiest installations. Our Duramax kits usually see the largest performance gains as these trucks do not come with a lift pump from the factory. This is a 165GPH (Gallon Per Hour) fuel system for moderately modified trucks. Check out our installation manual for a list of parts that are included with this kit.


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, long lasting, efficient, and quiet fuel system made with superior quality.
Advancing the AirDog® Tradition with the 4th Generation Fuel System!
The AirDog® II-4G system improves engine performance by:
Maintaining Correct Injection Timing
Eliminating Spray Pattern Disruption
Allowing for a Full Power Stroke and Complete Burn

Benefits of the AirDog® II-4G:
Increased Fuel Economy
Increased Power Output
Increased Torque Output
Longer Injector Life
Improved Throttle Response
Reduced Exhaust Emissions
Optimized Engine Performance
AirDog® II-4G also overcomes loss of power for diesel engines operating at higher altitudes.


All-Inclusive Installation Kit includes:

Relay Control Wiring Harness

Fuel Module Up-Grade (when required)

All Fuel Fittings Required

Mounting Hardware

1/2″ Fuel Lines W/ OEM Style Quick Connect Fittings

AirDog® II-4G Bracket & Spacer

Plastic Ties

Installation Manual


Fitment Table:

2001 GM Duramax 6.6L Airdog II 4G Fuel System 2002 GM Duramax 6.6L Airdog II 4G Fuel System
2003 GM Duramax 6.6L Airdog II 4G Fuel System 2004 GM Duramax 6.6L Airdog II 4G Fuel System
2005 GM Duramax 6.6L Airdog II 4G Fuel System 2006 GM Duramax 6.6L Airdog II 4G Fuel System
2007 GM Duramax 6.6L Airdog II 4G Fuel System 2008 GM Duramax 6.6L Airdog II 4G Fuel System
2009 GM Duramax 6.6L Airdog II 4G Fuel System 2010 GM Duramax 6.6L Airdog II 4G Fuel System

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