SKU: 1103219503

AirDog Fuel Pump - DF-165-4G PureFlow II-4G for 2011-2014 Chevy Duramax

Sale price$355.48 Regular price$394.98
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Description

AirDog Fuel Pump - DF-165-4G PureFlow II-4G for 2011-2014 Chevy DuramaxThe 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

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

  • Optimized Engine Performance

AirDog® II-4G also overcomes loss of power for diesel engines operating at higher altitudes.

AirDog® II-4G Features

  • Dual Feed Gerotor Pump

  • Low amperage motor provides efficiency and endurance

  • Self-aligning motor requires less maintenance and reduces noise levels

  • Intermediate pump shaft seperates motor from fuel

  • Small & Compact: ONLY 7?L X 10?T X 3.2?W

AirDog® II-4G Installation Kit

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

AirDog® II-4G Fuel Air Separation System featuring Demand Flow Technology and Enhanced Features

AirDog® II-4G is designed to operate at flows and pressures beyond the maximum requirements of the engine. It receives fuel under vacuum from the fuel tank containing entrained air/vapor, particulate contaminates and unknown quantities of water.

The fuel passes through the water separator which removes the large particulate contaminates that could damage or jam the gear rotor fuel pump. The fuel, with only entrained air/vapor and tiny particulate contaminates remaining enters the fuel pump.

The fuel, now under positive pressure flow, enters the fuel filter. As the fuel passes through the filter media and the remaining particulate contaminates are caught and contained, the entrained air/vapor is also separated. Through the positive fuel air separation features of the patented AirDog® II-4G the separated air/vapor is discharged from the filter and back to the fuel tank through the Primary Air/Vapor Discharge Port.

The fuel passing through the filter media is now free of contaminates and power robbing air/vapor. At pressures and flows able to meet the needs of the engine, it exits the fuel filter through two passageways. First, the fuel for the engine passes into the fuel pickup tube and on to the engine. Then, the excess fuel not needed by the engine recycles internally through the pressure regulator back to the water separator.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 1103219503

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4.6 ★★★★★
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Verified Purchase
Gandalf the Gradient
Chelsea, US
★★★★★ 5
The best toy my dog has
Color: Monster Bone, Size: XX-Large
Our lab mix is a very ambitious chewer - forget retrieving... he seems to think his "job" in life is to destroy things with his teeth. He's very methodical about it; he'll chew and chew and chew, targeting the object's weakest points, until all that remains is a littering of coin-sized remnants. He even started to make progress on his heavy duty black Kong within about a week. By the time he was about 8 months old, we figured out that the only toys he can be left alone with are the ones made by Nylabone. He has all their models: dinosaurs, rings, small bones, and branches. These Nylabone toys are a hard plastic that chips off in tiny little shards. He's happy because he feels like he's making progress (even though it takes him a long time to do so) and we're happy because the toys last a relatively long time and he can't swallow anything that might hurt him. He does leave tiny plastic shavings on the carpet, but we have to vacuum a lot anyways because of his fur, so it's not a big deal. Of all his Nylabone toys, this is the best (and probably his favorite of the bunch). He really likes the size - just right for him to prance around with and show off. Although he's had it for four months, it's still smooth enough in the middle that we can hold it for him comfortably, and it's retained its original shape (unlike dinosaur and branch). If we could just train him not to drop this on our feet when he wants attention(it weighs a few pounds and has gotten a bit pokey on the ends)this would be the perfect toy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 31, 2012
T
Verified Purchase
Tiffany couch
Alexandria, US
★★★★★ 5
Great toy for your fur baby.
Size: Pack of 3, Color: Pacifier, Size: Pack of 3, Color: Pacifier
My husky’s all time favorite toy! He’s obsessed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 20, 2026
D
Verified Purchase
DS
Port Orchard, US
★★★★★ 5
Cute squeaky toy, good price.
Size: Pack of 3, Color: Mini Loofa
These little squeaky toys are one of my yorkie pups favorite. Being latex they are last longer than the material ones. Good price for the 3 pack.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 22, 2026
D
Verified Purchase
Danielle
Houston, US
★★★★★ 5
Loved by Morkie
Size: Pack of 3, Color: Small/Med Bone
My dog loves these! She’s a 12 pound aggressive chewer and hasn’t ripped these up. One of her favorite toys cause she loves the squeaky sound.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 30, 2026
B
Verified Purchase
Brian
Dallas, US
★★★★★ 5
His favorite toy!
Size: Pack of 3, Color: Mini Loofa
My 50 lb lab mut LOVES them! These latex squeaky toys are filled with a soft "loofah" like material which gives them some buffer from doggie teeth puncturing the latex but light and soft enough to safely play fetch in the house. I would not recommend these for heavy chewers but perfect for light nibblers or those pups that just like make their toys squeak or carry around toys as a "pacifier". The 3 pack is a GREAT DEAL!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026

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