Fleetguard AF25529 Air Filter – High-Efficiency Secondary Air Filtration

The Fleetguard AF25529 Air Filter is crafted to deliver reliable secondary (outer) air filtration for heavy duty engines, ensuring only clean, contaminant-free air reaches your engine’s intake. With an outer diameter of 92.5 mm, inner dimension of 61.5 mm, and an overall length of 178 mm, this filter matches OEM specifications for seamless fitment. FilterFinder+2shop.cummins.com+2

Designed for “out-in” flow direction, the AF25529 features media that resists collapse and helps maintain consistent airflow even under dusty or high load conditions. FilterFinder Its role as a secondary filter means it works in tandem with a primary (inner) air element to provide layered protection, reducing engine wear and boosting longevity. komatsu.com+1

When installed in your airbox, this filter helps ensure that fine abrasive particles are trapped before entering the engine, promoting better combustion, smoother operation, and reduced maintenance frequency. It is especially recommended as a replacement where AF25529 is specified or cross-referenced by OEMs for heavy machinery and vehicle air intake systems. mycnhstore.com+2FilterFinder+2

Please confirm your equipment’s original filter part number, housing dimensions, and airflow direction prior to ordering to guarantee proper compatibility. Choose the Fleetguard AF25529 Air Filter for dependable secondary filtration performance that aligns with OEM standards.