Product Description
Keep water out of your diesel and protect injectors with the AirDog WS100 Water Separator. This spin-on separator is the direct-fit service element for AirDog I, AirDog II, AirDog II-4G, and AirDog II-5G systems used on popular diesel pickups and light-industrial applications. Drain periodically to remove captured water and maintain peak fuel system performance.
Vehicle Fitment
- Direct replacement water separator for AirDog I / AirDog II / AirDog II-4G / AirDog II-5G systems.
- Commonly used on diesel pickups equipped with AirDog systems, including Ram Cummins, Ford Power Stroke, and GM Duramax. Verify your AirDog model before ordering.
Cross-Reference / Alternatives (AirDog-only)
- Pair with matching fuel filter (2-micron): AIRDOG FF100-2 FUEL FILTER – 2 MICRON UNIVERSAL
- Prefer a 10-micron option: AIRDOG FF100-10 FUEL FILTER – 10 MICRON UNIVERSAL
Installation Instructions (PureFlow AirDog® Resources)
Spin-on service; follow your system’s manual for priming/bleeding. Useful references:
- AirDog® Resources Library
- AirDog FP-100/150 Duramax 2001–2010 Install Manual (PDF)
- AirDog II DF-100/165 Cummins 2005–Current (PDF)
- AirDog FP-100/150 7.3L Power Stroke 1999–2003 (PDF)
Why Choose WS100?
- Designed by PureFlow™ for AirDog systems; restores water separation performance.
- Fast, clean service with drain valve for easy water removal.
- Built for tough diesel environments—work trucks to tow rigs.
Specifications for airdog WS100
| Spec | Value |
|---|---|
| Brand | AirDog (PureFlow) |
| Part Number | WS100 |
| UPC | 813094013623 |
| GTIN | 813094013623 |
| Compatibility | AirDog I, AirDog II, AirDog II-4G, AirDog II-5G |
| Shipping Info | Package dims (for shipping): 13.50" W × 3.00" H × 6.00" D; Shipping calculated at checkout. |
| Country of Origin | Not specified by manufacturer |
| Prop 65 | Not specified (see system manuals for warnings) |
FAQ
What AirDog systems does WS100 fit?
WS100 is the service water separator for AirDog I, AirDog II, AirDog II-4G, and AirDog II-5G systems.
Do I need to replace the fuel filter at the same time?
It’s recommended. Replace WS100 and the fuel filter together to maintain balanced flow and filtration. See FF100-2 or FF100-10 above.
How often should I service the WS100?
Drain water as needed and replace the element per your AirDog system’s maintenance schedule or sooner if fuel quality is poor.
Will this fit my truck?
If your truck is equipped with an AirDog I/II/II-4G/II-5G system, the WS100 is the correct separator. Verify your specific AirDog model before ordering.
