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The aFe ProGUARD oil filter for select Audi A3, A4, A5 and A6 model years uses high-performance synthetic media to increase flow and filtration efficiency demanded by modern engines. Tested to ISO 4548-12, it balances filtration with minimal flow restriction. The listed fitment covers specific Audi model-year ranges and the filter is intended as a direct-replacement service item for compatible vehicles.
aFe 15-20 Audi A3 17-20 A4 18-21 A5 16-21 A6 Pro GUARD Oil Filter
