AirDog A4SPBD000 100GPH Air/Fuel Separation System

AirDog

PureFlow’s Original AirDog efficiently removes air and vapor from your diesel fuel improving overall engine reliability and performance. The AirDog provides the proper pressure and flow of fuel to your diesel engine under virtually all operating conditions for peak efficiency with consistent and maximum power output!

Key Features

  • Increased Fuel Economy
  • Increased Injection Pump Life
  • Improved Throttle Response
  • Increased Torque Output
  • Longer Injector Life
  • Increased Fuel Flow Rates
  • Removes Air/Vapor from Diesel Fuel
  • Complete Installation Kit and Detailed Instructions
  • Lifetime Warranty



The compact AirDog provides the most effective technology designed specifically for diesel pickups to remove water, particulates, vapor and entrained air from diesel fuel. The AirDog replaces the Cummins factory lift pump and filter system, and enhances the fuel delivery to Powerstroke and Duramax engines with a commercial duty system.