AirDog Filter Replacement Package, 2001-2016 LB7/LLY/LBZ/LMM/LML

Part# FF100-2+WS100


WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

Fits: 2001 thru 2016 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY/LBZ/LMM/LML Duramax Diesel with AirDog Lift Pump

Service your AirDog Lift Pump equipped 2001-2016 LB7/LLY/LBZ/LMM/LML Duramax Diesel with this AirDog filter service kit including a Fuel Filter and Water Separator.

Fuel Filter: If your fuel filter gets plugged it can cause low fuel pressure to the engine, and requires immediate replacement. Typical fuel filter life is approximately 15,000 miles, depending on driving conditions and fuel quality. This is a 2 Micron Genuine AirDog replacement fuel filter for all AirDog and Airdog II kits.

Water Separator: We recommend changing the water separator with the fuel filter at approximately 15,000 miles, it is also recommended to check and drain the water separator at each oil filter service or as needed. This is an AirDog direct replacement water separator for AirDog and Airdog II kits.


  • Direct replacement for AirDog lift pumps
  • 15,000 Mile Service Intervals
  • 2 Micron Fuel Filter
  • Water Separator with Petcock Drain Valve
  • 1x Fuel Filter
  • 1x Water Separator
DmaxStore Note:
  • Typical fuel filter/water separator life is approximately 15,000 miles, depending on driving conditions and fuel quality. 

Replaces / Cross Reference:

Fuel Filter FF100-2:
  • NAPA: 3420 (Standard Height)
  • NAPA: 3626 (Extended Height)
  • WIX: 33420 (Standard Height)
  • WIX: 33626 (Extended Height)
  • Baldwin: BF-7531 (Standard Height)
  • Fleetguard: FF5613 Stratapore Media (Standard Height)
  • Fleetguard: FF63051NN Nanonet Media (Extended Height)
  • Donaldson: P551315 Cellulos Media (Extended Height)
  • Donaldson: DBF5816 Donaldson Blue with Synteq XP Media (Extended Height)
  • LuberFiner: LFF3545 (Standard Height)
Water Separator WS100:
  • NAPA: 3616
  • WIX: 33616
  • Baldwin: BF-1275
  • Fleetguard: FS19594
  • Donaldson: P550550
  • LuberFiner: LFF9594

Customer Reviews

Based on 1 review
Austin on the coast

Great filters for a great lift pump. I run these on my air dog 4g II 100gph pump and change them every 10k miles, never once had a problem.