The Engine PCV Valve & Hose Kit by AUTOKAY is a direct replacement part designed for Audi and VW vehicles. This kit includes an Audi Oil Separator, two Breather Hose Exhaust Pipes, and is made of durable ABS material. It is compatible with models such as A3, A4, A5, Q5, TT, and various VW vehicles from years 2008 to 2015. The kit features easy installation and comes with the necessary components to control engine performance, making it a reliable option for car maintenance and repair.