Audi S4 Sedan 2018 Automatic Gasoline Oil Separator PCV valve Engine oil separator for Audi VW cars, 4-cylinder 2.0 engines. All Audi 4-cylinder engines from model 2010 to 2017. Audi A6 A7 A3 Q3 Q5 Passat Jetta Golf Tiguan Scirocco. New original 300 SAR, aftermarket 140 SAR.