The engine crankcase vent valve (a.k.a. PCV valve) opens and closes to relieve excess pressure in the crankcase and recycle it back to the intake system.View Full Product Listing
Think TechSmart First: Proven Quality
The Problem: OE engine crankcase vent valves can crack and fail, causing the emissisions systems to function improperly.
Our Response: Helping prevent a failed emissions inspection,TechSmart's Engine Crankcase Vent Valves feature OE-specifications valving that restores drivability. TechSmart's line of valves has applications for select Audi and Volkswagen vehicles.