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Home, air dog heavy duty diesel fuel systems

Light Duty Replacement Filters

made in the usa stamp

All orders over $200 Have free shipping within the continental US

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AirDog® Parts: Airdog® water separator w/ drain for pickup truck and light industrial systems. See description for more details.

AirDog® Water Separator with Drain for Pickup Truck and Light Industrial Systems

$32.00

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AirDog® Parts: Airdog® 2 micron fuel filter for pickup truck and light industrial systems. See description for more details.

AirDog® 2-Micron Fuel Filter for Pickup Truck and Light Industrial Systems

$29.00

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Filter Cross References:

For maximum performance, use of our fuel filters and water separators above are recommended, as the filters were designed for use with the AirDog®, Champ™™, and Champ™ II™ systems. If you need filter cross-reference info, please refer to the lists below.

For FPII-125, click here.

For FPII-150, FPII-200, Champ™, and Champ™ II (Detroit only), click here.

blue semi truck

From February 2nd-13th, 2026! Use Code FILTER26 for 20% Off your purchase plus free shipping on all orders over $200!

* Free shipping over $200 applies to lower 48 United States only

From 3/26/26 until 4/3/26! Use Code mATS26 at checkout for 20% Off your purchase plus free shipping on orders over $200!