The engine crankcase breather hose connects the positive crankcase ventilation (PCV) valve to the intake system.View Full Product Listing
Think TechSmart First: Direct Replacement
The Problem: The OE part can crack over time, leading to vacuum leaks and check engine lights associated with emissions system errors.
Our Response: TechSmart's Engine Crankcase Breather Hose is a direct replacement that matches the original's fit, form, and function. It has applications for select Audi and Volkswagen vehicles.