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Home, air dog heavy duty diesel fuel systems

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® 6 micron fuel filter for heavy duty truck and industrial systems. See description for more details.

AirDog® 6-Micron Fuel Filter for Heavy Duty Truck and Industrial Systems

$39.00

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AirDog® Parts: Airdog® water separator for heavy duty truck and industrial systems. See description for more details.

AirDog® Water Separator for Heavy Duty Truck and Industrial Systems

$38.00

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AirDog® Parts: Airdog® filter pack special (3) ff200 mg 6 (6 micron) + (3) ws200 hs. See description for more details.

AirDog® Filter Pack Special (3) FF200-MG-6 (6-Micron) + (3) WS200-HS

Original price was: $231.00.Current price is: $212.00.

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AirDog® Parts: Airdog® filter pack special (6) ff200 mg 6 (6 micron) + (6) ws200 hs. See description for more details.

AirDog® Filter Pack Special (6) FF200-MG-6 (6-Micron) + (6) WS200-HS

Original price was: $462.00.Current price is: $417.00.

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AirDog® Parts: Airdog® filter pack special (2) ff200 mg 6 (6 micron) + (2) ws200 hs. See description for more details.

AirDog® Filter Pack Special (2) FF200-MG-6 (6-Micron) + (2) WS200-HS

Original price was: $154.00.Current price is: $145.00.

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AirDog® Parts: Airdog® filter pack special (3) ff200 mg 6 (6 micron) + (3) ws200 hs. See description for more details.

AirDog® Filter Pack Special (3) FF200-MG-10-L (10-Micron, Long) + (3) WS200-HS

Original price was: $261.00.Current price is: $235.00.

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AirDog® Parts: Airdog® 10 micron fuel filter for heavy duty truck and industrial systems. See description for more details.

AirDog® 10-Micron Fuel Filter for Heavy Duty Truck and Industrial Systems

$49.00

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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