Experience the enhanced performance and protection of the Donaldson AirDog Fuel Filter, designed to optimize fuel flow, safeguard your engine, and extend the lifespan of your components. Available in two part numbers—P551315 and P550550—this replacement filter is engineered to meet the demands of AirDog fuel systems while delivering the genuine quality and reliability that drivers expect.

Key Benefits and Features

• Compatibility: Fits perfectly with AirDog I, AirDog II, and AirDog II-4G fuel systems, ensuring a seamless match with your current setup.
• Filtration Efficiency: The initial stage filters at an impressive 3-micron absolute, effectively removing contaminants and protecting your engine.
• Performance: Although the AirDog unit is rated at 2-micron, its actual performance is 5-micron absolute, surpassing even the water separator’s Zomicron Rating.
• Build Quality: Constructed with genuine Donaldson parts, this filter ensures reliable performance and long-lasting durability, making it a trusted choice among enthusiasts.
• Easy Installation: The “spin-on” design allows for quick, hassle-free installation, keeping your vehicle operational with minimal downtime.

Technical Details

The Donaldson AirDog Fuel Filter is engineered with an extended 1″ filtering capacity that significantly boosts its effectiveness. With precise performance specifications and the trusted reputation of Donaldson—often searched as “donaldson p551315”—this filter is the preferred choice for superior engine protection and optimal performance. For more premium fuel filter options, visit our Fuel Filters collection.

Upgrade your fuel system today with a filter designed to deliver both enhanced performance and lasting reliability.