Fitment: 2008-2016 Audi A4 2014-2016 Audi A4 allroad 2010-2016 Audi A5 2013-2016 Audi allroad 2009-2017 Audi Q5 2013-2015 Audi S4 without Trailer Tow Package 2010-2016 Audi S5 without Trailer Tow Package Features: 1. Precise fit, easy to install 2. Factory lubrication, long service life 3. High traffic design, Durable, efficient cooling 4. Precision ground shaft and wheel hub fully accept fan clutch 5. High-quality forged housings are specially formed to ensure maximum coolant flow What's the cooling fan? .