Porsche Engine Crankcase Breather Hose 94810721702 – Genuine Porsche ABS1418HU-D VW applications

VW applications

0L4 Audi A5 Quattro 2013 2

0) is a direct replacement for numerous Audi and Volkswagen 1

made from high-strength steel for durability

increasing its lifespan

Porsche Engine Crankcase Breather Hose 94810721702 – Genuine Porsche ABS1418HU-D VW applicationsEngine Crankcase Breather hoses are part of a vehicles Positive Crankcase Ventilation (PCV) system. The job of the PCV system is to allow pressure to escape from the crankcase in a controlled manner. It is necessary to vent the crankcase of positive pressure caused by engine blow by (gas from the combustion event that leaks past the pistons.) This blow by gas is routed back into the intake air stream thereby reducing the emission of unburned