5839-AF821M
Secondary Air Filter
Mack

This secondary air filter is designed to trap fine dust, dirt, and other airborne contaminants that bypass the primary filtration system. Its role is crucial in maintaining clean intake air, which directly impacts engine efficiency and longevity. Constructed with high-quality filtration media, it provides a reliable barrier against pollutants, ensuring that only clean air reaches sensitive engine components. Regular replacement of this filter helps prevent clogging and maintains optimal airflow, reducing strain on the engine and improving fuel economy. Its installation is straightforward, making it a vital maintenance part for fleet operators aiming to sustain engine performance. Source One Parts Center offers this filter as part of their comprehensive inventory to support your vehicle’s health and operational uptime.