The WIX 19.25" x 8.5" x 12" Engine Air Filter Panel is engineered to provide superior filtration for heavy-duty applications, specifically designed for Kenworth and Peterbilt trucks manufactured between 2008 and 2021. This high-capacity filter ensures optimal engine performance by effectively trapping contaminants, thereby enhancing fuel efficiency and extending engine life. Constructed with premium cellulose media, the filter offers a minimum efficiency of 99.9% in contaminant removal, as per ISO 5011 laboratory tests. The design incorporates pleat stabilization beads and, where applicable, skip-a-pleat media stabilization, which contribute to increased dirt-holding capacity and reduced airflow restriction. The filter's end caps are made from high-strength, corrosion-resistant polyurethane, ensuring durability and longevity. The expanded metal body further reinforces the structure, providing additional support and maintaining the filter's integrity under various operating conditions. This filter is recommended for original equipment manufacturer (OEM) air filter change intervals, aligning with maintenance schedules to ensure consistent engine protection. By utilizing the WIX Engine Air Filter Panel, fleet operators can expect improved engine performance, reduced maintenance costs, and prolonged vehicle lifespan, all contributing to enhanced operational efficiency.