Car Air Filters
Transmission Oil Filter
Audi
9l325429
A4, S4, RS4. 6 speed. A6. 6 speed auto. 3.2L. 4.2L. 2.0L. Without RS4. 3.0L. Cabriolet S4.
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Find OEM Air Filters Designed for Engine Intake Systems
Air filters are designed to help manage dust and debris that may be present in incoming air before it reaches the engine. As vehicles are driven under normal conditions, airborne particles can accumulate over time. Because of this exposure, air filters are commonly inspected and replaced during routine service intervals. At Performance Auto Group, we offer OEM air filters intended to meet manufacturer standards.
Installed within the air intake path, an air filter captures contaminants while allowing air to flow toward the engine. As the filter media collects material, airflow characteristics can change, which is why replacement schedules are outlined by the manufacturer. Using the correct filter supports compatibility with the intake system.
OEM air filters are engineered to match factory housings and sealing surfaces. Selecting an application-specific filter helps maintain proper fit and alignment. Browse available air filters to find options matched to your vehicle.
Routine inspection of intake components is part of standard vehicle maintenance. Installation requirements may vary. Professional installation or consultation with a qualified technician is recommended.