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K&N Select spin-on oil filter for 1997–2006 Audi A4 1.8L is engineered for professional installers with a high‑flow pleated media and a fluted canister shape that accepts standard oil filter wrenches. It provides outstanding filtration, is compatible with synthetic and conventional oils, and offers high capacity suitable for extended intervals when used per vehicle and oil manufacturer recommendations.
K&N 97-06 Audi A4 1.8L L4 Spin On Oil Filter
