The breather, or also commonly called the PCV or oil separator, allows the crankcase to expel air without losing any oil. When failing, the PCV can cause misfires and a rough running commonly experienced at idle. This kit allows you to service your breather system and keep you vehicle's emissions system in top shape and running great. Kit includes:
Pressure Control Valve (PCV) w/ Gasket)
Breather Tubes - Two
Breather Tube Bolt
* This kit is designed for the TSI engine only. This can easily be found on the engine cover of your 2.0T VW/Audi. It will clearly be stamped TSI or TFSI.