The Fleetguard AF25574 is a high-quality primary air filter designed to provide excellent filtration for various heavy-duty applications. This genuine Fleetguard filter effectively removes contaminants from the air intake, protecting the engine from wear and extending its lifespan. With an outer diameter of 152.4 mm, an inner diameter of 85.09 mm, and a length of 339.82 mm, it ensures optimal performance and fit. It is a direct replacement for numerous OEM and aftermarket part numbers, guaranteeing reliable air intake purity.