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PureFlow AirDog Ff100-2 Ws100 Replacement Fuel Filter 2 Micron Water Separator

4.538 product ratings

fan's fan (48)

100% positive feedback

Price:

$35.37

Free shipping

Estimated delivery Tue, Oct 7 - Tue, Oct 14

Returns:

30 days returns. Seller pays for return shipping.

Condition:

New

AirDog Fuel Filter & Water Separator Kit – FF100-2 & WS100 Combo for Diesel Engines. Designed for diesel engines, the FF100-2 and WS100 filters work together to protect your engine from contaminants and water buildup, ensuring cleaner fuel and optimal engine efficiency.

Ratings and Reviews

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4.5

38 product ratings

33 users rated this 5 out of 5 stars
0 users rated this 4 out of 5 stars
0 users rated this 3 out of 5 stars
1 users rated this 2 out of 5 stars
4 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

See all 34 reviews

by schmidt8tqo
Jul 19, 2021
Designed and built with Airdog specifically in mind. Perfect.
Factory Airdog replacement parts at the right price, delivered to the front door. I have them on hand for use at a moments notice.It gets no better. Perfect.
Verified purchase: YesCondition: New
by rustkinna-0
Aug 23, 2021
If it isn’t broke, you can’t fix it.
Works just as it should. I use good quality parts. That’s why I go with Air Dog
Verified purchase: YesCondition: New
by zero1251
Aug 11, 2021
Air Dog fuel pump
I have no trouble with these filters. They are for my air dog fuel pump.
Verified purchase: YesCondition: New
by loveh_92
Sep 17, 2022
works perfectly
exact replacement part
Verified purchase: YesCondition: New
by 2014usrisen
Dec 06, 2024
the fuel filter felt rough when threaded...
the fuel filter felt rough when threaded on and bottomed out not sealing. the center plate is only 2mm below the gasket. the old one is 5mm. defective.
Verified purchase: YesCondition: New
by buenavistaranch
Nov 26, 2019
Easy to install
Simple mechanism to change out these filters. Airdog does a great job at making this a simple filter change.
Verified purchase: YesCondition: New
by micvand_3325
Aug 05, 2025
i had bought filters one was bad and did...
i had bought filters one was bad and didn t thread on. The threads were wrong. So I had put the old filter back on to keep going for now. Would like a replacement.
Verified purchase: YesCondition: New
by bsoren72-1
May 17, 2020
Great replacement parts!
Items arrived as expected and on time for a fair price. Can’t do better than that.
Verified purchase: YesCondition: New
by chriscrase
Sep 11, 2025
Junk knock-off version of air dog. Almos...
Junk knock-off version of air dog. Almost ruined my truck. No seal on filter wouldn t prime...
Verified purchase: YesCondition: New
by vm5h2_29
Dec 16, 2024
Installed these “new” filters and air l...
Installed these “new” filters and air locked my truck tried everything to get it to stay running wouldn’t run till i swapped in my old filters.
Verified purchase: YesCondition: New