AirDog II-5G 100 GPH Lift Pump for 2001-2010 GMC/Chevy 6.6L Duramax A7SPBC259

Part# A7SPBC259 l UPC# 813094012596
$900.00 Now $829.00
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17 In Stock

Add an Extra Water Separator

Add an Extra Fuel Filter

Add Optional 1/2" Draw Straw


Product Description

This is the AirDog II-5G DF-100-5G fuel system for the 2001-2010 Chevy/GMC Duramax 6.6L Diesel. This diesel lift pump 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 100GPH (Gallon Per Hour) lift pump system for stock fuel system trucks.

An industry first! The AirDog® II-5G is the first diesel Fuel Air Separation System to include an integrated diaphragm fuel pressure regulator. This regulator allows for more fuel pressure adjustability, offers better fuel flow at pressure, and can be boost compensated! This system has larger porting to allow less cavitation and noise at the inlet of the higher flowing 220GPH pumps. All AirDog II-5G systems come with improved wiring harnesses and connectors as well! The wiring harness is now 12ga from the battery all the way to the internal connections in the motor. A Metri-Pack 280 connector replaces the Deutch 2 pin connector which allows more more current flow without creating excessive heat. All other connectors in the harness are weather pack to keep the elements out. This system has the same 4G motor technology that has proven itself to be a reliable, quiet operating system. It also retains the “Demand Flow” of the older AirDog II variants. Demand Flow means whatever fuel the injection system does not consume gets recirculated back through the filter base.

Key Features

  • This Is A Complete Kit – Includes Pump & All Needed Mounting Hardware
  • 4 Bearing Motor with Intermediate Shaft For Reduced Pump Noise
  • Larger Ports Over Previous Pumps
  • Diaphragm Fuel Pressure Regulator
  • Demand Flow Design
  • Adjustable From 7-70 PSI
  • Increased Fuel Economy
  • Increased Horsepower & Torque Output
  • Increased Injection Pump Life
  • Longer Injector Life
  • Improved Throttle Response
  • Reduced Exhaust Emissions
  • Increased Fuel Flow Rates
  • Removes Air/Vapor from Diesel Fuel
  • Complete Installation Kit and Detailed Instructions
  • 1/2" Fuel Lines with OEM-Style Quick Connect Fittings
  • Lifetime Warranty

INDUSTRY FIRST! The AirDog II-5G is the first “true” Fuel Air Separation System to have a diaphragm fuel pressure regulator! This regulator can be adjusted from 7-70PSI and can be boost compensated!

LARGER PORTS! This system uses 3/4-16 O-ring boss (-8) inlet and outlet ports and a 7/16-20 ORB return port (-4). This means more options for fuel line sizing!



The AirDog® II-5G offers protection and performance like no other lift pump! Our patented air separation, along with a water separator and fuel filter makes sure your expensive injection system components get all the clean fuel they need. The AirDog® II-5G also overcomes loss of power due to driving in higher altitudes with a factory fuel pump.

The AirDog® II-5G System Improves Engine Performance by eliminating spray pattern disruption due to air entering the system. This allows the engine to keep its designed injection timing which allows a more complete burn of the fuel entering the cylinder. This increases overall engine efficiency across the power and torque range!