ECOGARD XA10228 Premium Engine Air Filter Fits 2011-2016 Audi A8 Quattro, 2013-2016 Audi S8 COMPATIBLE with 2011-2016 Audi A8 Quattro, 2013-2016 Audi S8. IMPROVE PERFORMANCE by changing your vehicle's air filter at least every 12,000 miles (or as recommended in your car owner's manual); to ensure your vehicle's engine has the clean and efficient air flow it needs for fast acceleration and long term power. AVOID INCREASED ENGINE WEAR caused by dirty air intake filters that may allow damaging particles to get into the engine. FACTORY FIT FOR EASY INSTALLATION. Replaces: OE 4H0 129 620F. SPECIFICALLY ENGINEERED AND TESTED for Audi OE (original equipment) engine air filter's fit, form, and function.