AFE ProGuard Replacement Air Filter (20-26 6.6L Duramax Sierra 2500 HD)Find parts that fit my vehicle

Better Airflow for Improved Performance. The AFE ProGuard Replacement Air Filter is engineered to deliver superior airflow to your 2020–2026 6.6L Duramax Sierra 2500 HD, ensuring your engine receives a steady supply of clean, oxygen-rich air. This optimized airflow enhances combustion efficiency, resulting in increased horsepower and torque. Whether you're towing heavy loads, climbing steep grades, or navigating demanding terrain, the ProGuard filter helps your engine perform at its peak by reducing intake restrictions and supporting smoother, more responsive power delivery.

Premium Multi-Layer Filtration. Featuring advanced multi-layer filtration media, the AFE ProGuard Replacement Air Filter offers robust protection against airborne contaminants. Its layered design effectively traps dirt, dust, pollen, and other harmful particles before they reach your engine, helping prevent premature wear and damage. This high-capacity filtration system maintains consistent airflow while safeguarding sensitive engine components, giving you confidence in your truck’s long-term reliability and performance.

Durable Construction for Longevity. Built from high-quality materials, the AFE ProGuard Replacement Air Filter is designed to withstand the rigors of heavy-duty use. Unlike standard paper filters, it resists degradation from heat, vibration, and pressure, making it ideal for trucks that operate in extreme conditions. Whether you're off-roading, hauling, or driving through harsh weather, this filter maintains its structural integrity and filtration performance, ensuring dependable protection over extended service intervals.

Installation. Putting this AFE ProGuard Replacement Air Filter on your 6.6L Duramax Sierra 2500 HD takes 30 minutes to install.

Warranty. There is a limited warranty on this product.

Application. The AFE ProGuard Replacement Air Filter fits 2020-2026 6.6L Duramax Sierra 2500 HD models.

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