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Heavy duty diesel fuel systems from AirDog will help increase your mileage and injector life by removing water, vapor and contaminants. Made in the USA since 1990.

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Fuel Air Separation Systems for Diesel Performance & Engine Protection

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UNLEASH THE POWER OF AIRDOG

Heavy duty diesel fuel systems from AirDog will help increase your mileage and injector life by removing water, vapor and contaminants. Made in the USA since 1990.

made in the usa stamp
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ALL ORDERS OVER $200 Have free shipping within the continental US

BETTER FUEL MILEAGE

Maximize fuel efficiency with Airdog systems—cleaner fuel, smoother flow, and optimized performance for every mile.

EXTENDED INJECTOR LIFE

Airdog keeps your injectors clean and efficient, reducing repairs and ensuring long-lasting diesel performance.

INCREASED HORSEPOWER

Boost horsepower with Airdog! Superior fuel filtration delivers the clean, air-free fuel your engine needs to perform its best.

BENEFITS OF AIRDOG

OUR PATENTED TECHNOLOGY OFFERS BETTER PERFORMANCE FOR DIESELS AND HEAVY EQUIPMENT

AirDog® Heavy Duty Diesel Fuel Systems optimize the diesel fuel delivery system for peak efficiency and performance. How do we do that? Featuring a state-of-the-art integrated Demand Flow fuel pump, the AirDog® pulls fuel from the tank, and removes virtually all contaminants from the diesel fuel supply – including moisture, particulates, and entrained air and vapor – ensuring that a pure supply of fuel is delivered to your OEM fuel system under optimal pressure.

Applications for AirDog® HD systems include heavy- and medium-duty trucks, agriculture, off-highway and excavation, mining, marine, and more. AirDog® HD installation kits are available for most popular commercial diesel engine models on the market today, including Caterpillar, Cummins, Detroit, International/Navistar, Mack, PACCAR, and Volvo. AirDog® HD also offers Universal installation kits that enable the system to adapt to virtually any diesel engine. aftermarket diesel fuel filter system. If you have a diesel engine, there’s an AirDog® for that!

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BENEFITS OF AIRDOG

OUR PATENTED TECHNOLOGY OFFERS BETTER PERFORMANCE FOR DIESELS AND HEAVY EQUIPMENT

AirDog® Heavy Duty Diesel Fuel Systems optimize the diesel fuel delivery system for peak efficiency and performance. How do we do that? Featuring a state-of-the-art integrated Demand Flow fuel pump, the AirDog® pulls fuel from the tank, and removes virtually all contaminants from the diesel fuel supply – including moisture, particulates, and entrained air and vapor – ensuring that a pure supply of fuel is delivered to your OEM fuel system under optimal pressure.

Applications for AirDog® HD systems include heavy- and medium-duty trucks, agriculture, off-highway and excavation, mining, marine, and more. AirDog® HD installation kits are available for most popular commercial diesel engine models on the market today, including Caterpillar, Cummins, Detroit, International/Navistar, Mack, PACCAR, and Volvo. AirDog® HD also offers Universal installation kits that enable the system to adapt to virtually any diesel engine. aftermarket diesel fuel filter system. If you have a diesel engine, there’s an AirDog® for that!

15k

UNITS SOLD

30+

YEARS OF RESEARCH

1990

YEAR WE STARTED

146

DEALERS

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MADE IN THE USA

FOUNDED IN 1990 AND SERVING INDUSTRIES EVER SINCE

UNLEASH THE POWER OF AIRDOG

The best addition you can make to your heavy duty diesel engine

AirDog® is the original, and still the best, fuel air separation system on the market for heavy-duty diesel engine applications. Designed and built in the USA in 1990 with over 30 years of research to achieve:

 

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OUR VALUED CUSTOMER FROM ACROSS THE NATION

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A Partnership Built on Performance

Airdog Diesel and Bullsnot

When two industry leaders join forces, great things happen. Airdog Diesel, renowned for its innovative fuel systems that deliver peak performance and efficiency, has partnered with Bullsnot, the trusted name in premium lubrication and maintenance products. This collaboration represents a shared commitment to enhancing the performance, reliability, and longevity of diesel engines. Together, Airdog and Bullsnot bring a winning combination of cutting-edge technology and proven solutions to keep your equipment running smoother, longer, and more efficiently. Whether you’re on the road, the job site, or in the fields, this partnership delivers unmatched quality you can trust.

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This guide is packed with tips to help semi-truck drivers make winter trucking smooth and cozy for their canine companions. We’ll cover everything from prepping your cab to recognizing cold-weather hazards, all to help you and your pup keep on trucking safely through the snow and ice.

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