Item fits all Jetta models with 2.5L engine from 2012 through to 2014. Unit has provisions for up to 2 oxygen sensors to accommodate all engine codes. One plug included if your model only has 1. Direct fit unit ensures proper fitment and easy exchange with OEM unit. OBDII-configured catalyst technology ensures proper performance, emissions, and no premature check engine light. Required exhaust sleeve clamp and gasket included FREE with purchase.